7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
17/11/2023, 12:03

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General

Target

7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
Size

223KB
MD5

481ae3f07c96b7beac6e90a319beeb15
SHA1

62c08dbdc7c4ccde919dcdcc4e689957bb7ae713
SHA256

7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573
SHA512

3dce6ae29525f1308c94e35bf4d87983d49f2e30e0799c3474f291632212874212f6339766c72a5efed5f90ca5f84c27f5207dade4bf86468bce0e5d0f3ba719
SSDEEP

6144:8wPSUONLNsuWA7koN+boRhZ2VUUaSaE0A6Xvd2:8OuW5o/oVU1r5w

Score

10^/10

upx

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1380 created 424	1380	Explorer.EXE	3

Downloads MZ/PE file

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\drivers\n9cCU1tn.sys	cttunesvr.exe

Deletes itself 1 IoCs

pid	Process
2516	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	cttunesvr.exe

Loads dropped DLL 1 IoCs

pid	Process
1380	Explorer.EXE

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3036-0-0x0000000000DF0000-0x0000000000E5E000-memory.dmp	upx
behavioral1/memory/3036-47-0x0000000000DF0000-0x0000000000E5E000-memory.dmp	upx
behavioral1/memory/3036-85-0x0000000000DF0000-0x0000000000E5E000-memory.dmp	upx

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	114.114.114.114

Drops file in System32 directory 11 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\349D186F1CB5682FA0194D4F3754EF36_CE21678B3713ACF5F5ED4AAA700C6173	cttunesvr.exe
File created	C:\Windows\system32\ \Windows\System32\yU47fDtQH.sys	cttunesvr.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3FE2BD01AB6BC312BF0DADE7F797388F_896832C6BC857CFAEA9E59E166B13E2C	cttunesvr.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AD5F118F7897046E8CA970AE6A6AB70B_ADB601E2C381343DA1163E5F08582475	cttunesvr.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_4136D3715888E22D65EBE484B233D81B	cttunesvr.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B039FEA45CB4CC4BBACFC013C7C55604_50D7940D5D3FEDD8634D83074C7A46A3	cttunesvr.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\349D186F1CB5682FA0194D4F3754EF36_CE21678B3713ACF5F5ED4AAA700C6173	cttunesvr.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3FE2BD01AB6BC312BF0DADE7F797388F_896832C6BC857CFAEA9E59E166B13E2C	cttunesvr.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AD5F118F7897046E8CA970AE6A6AB70B_ADB601E2C381343DA1163E5F08582475	cttunesvr.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_4136D3715888E22D65EBE484B233D81B	cttunesvr.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B039FEA45CB4CC4BBACFC013C7C55604_50D7940D5D3FEDD8634D83074C7A46A3	cttunesvr.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\cttunesvr.exe	Explorer.EXE
File opened for modification	C:\Program Files\cttunesvr.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\1OSzqMeY.sys	cttunesvr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1944	timeout.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	cttunesvr.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{986C677B-11BD-469D-8DA1-5E44779DFD89}\WpadDecision = "0"	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	cttunesvr.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	cttunesvr.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-5c-94-af-ad-e8\WpadDecisionReason = "1"	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	cttunesvr.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{986C677B-11BD-469D-8DA1-5E44779DFD89}\WpadDecisionTime = 9054f8254e19da01	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{986C677B-11BD-469D-8DA1-5E44779DFD89}\46-5c-94-af-ad-e8	cttunesvr.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-5c-94-af-ad-e8\WpadDecisionTime = 9054f8254e19da01	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	cttunesvr.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	cttunesvr.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	cttunesvr.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	cttunesvr.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-5c-94-af-ad-e8	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	cttunesvr.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{986C677B-11BD-469D-8DA1-5E44779DFD89}\WpadNetworkName = "Network 3"	cttunesvr.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	cttunesvr.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{986C677B-11BD-469D-8DA1-5E44779DFD89}\WpadDecisionReason = "1"	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	cttunesvr.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{986C677B-11BD-469D-8DA1-5E44779DFD89}	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	cttunesvr.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0097000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	cttunesvr.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	cttunesvr.exe

Modifies system certificate store 2 TTPs 6 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	cttunesvr.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	cttunesvr.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE
3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe
2596	cttunesvr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1380	Explorer.EXE

Suspicious behavior: LoadsDriver 3 IoCs

pid	Process
468	Process not Found
468	Process not Found
468	Process not Found

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
Token: SeTcbPrivilege	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
Token: SeDebugPrivilege	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
Token: SeDebugPrivilege	1380	Explorer.EXE
Token: SeDebugPrivilege	1380	Explorer.EXE
Token: SeDebugPrivilege	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
Token: SeDebugPrivilege	2596	cttunesvr.exe
Token: SeDebugPrivilege	2596	cttunesvr.exe
Token: SeDebugPrivilege	2596	cttunesvr.exe
Token: SeIncBasePriorityPrivilege	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 1380	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	22
PID 3036 wrote to memory of 1380	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	22
PID 3036 wrote to memory of 1380	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	22
PID 3036 wrote to memory of 1380	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	22
PID 3036 wrote to memory of 1380	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	22
PID 1380 wrote to memory of 2596	1380	Explorer.EXE	28
PID 1380 wrote to memory of 2596	1380	Explorer.EXE	28
PID 1380 wrote to memory of 2596	1380	Explorer.EXE	28
PID 1380 wrote to memory of 2596	1380	Explorer.EXE	28
PID 1380 wrote to memory of 2596	1380	Explorer.EXE	28
PID 1380 wrote to memory of 2596	1380	Explorer.EXE	28
PID 1380 wrote to memory of 2596	1380	Explorer.EXE	28
PID 1380 wrote to memory of 2596	1380	Explorer.EXE	28
PID 3036 wrote to memory of 424	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	3
PID 3036 wrote to memory of 424	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	3
PID 3036 wrote to memory of 424	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	3
PID 3036 wrote to memory of 424	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	3
PID 3036 wrote to memory of 424	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	3
PID 3036 wrote to memory of 2516	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	30
PID 3036 wrote to memory of 2516	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	30
PID 3036 wrote to memory of 2516	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	30
PID 3036 wrote to memory of 2516	3036	7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe	30
PID 2516 wrote to memory of 1944	2516	cmd.exe	32
PID 2516 wrote to memory of 1944	2516	cmd.exe	32
PID 2516 wrote to memory of 1944	2516	cmd.exe	32
PID 2516 wrote to memory of 1944	2516	cmd.exe	32

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:424
- C:\Program Files\cttunesvr.exe
  "C:\Program Files\cttunesvr.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Modifies data under HKEY_USERS
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1380
- C:\Users\Admin\AppData\Local\Temp\7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe
  "C:\Users\Admin\AppData\Local\Temp\7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe"
  2⤵
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3036
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\7c8dd8652f58dc1be9d0f313dd7ed2c97fb698860d08ea0753e932fa2bb6e573.exe"
    3⤵
    - Deletes itself
    - Suspicious use of WriteProcessMemory
    PID:2516
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 1
      4⤵
      Delays execution with timeout.exe
      PID:1944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\cttunesvr.exe

Filesize
39KB

MD5
466d30f69f4ace6830162ccde90791df

SHA1
3eef9cfa5c979f3b7068e8a5dcc48e05702368f8

SHA256
195821c69cbef8f4ba629c4876967ca3e58ee852b5f0c5e4935d684649936926

SHA512
c8116707e1f96452091db056d877bd38957ae1bfd107975ecad8043ef42a61ccb1ca55c4b50147cb149e1812d52849182571e175a993ba7bcd53115a21c5ce56

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab62AB.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8E60.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
\Program Files\cttunesvr.exe

Filesize
39KB

MD5
466d30f69f4ace6830162ccde90791df

SHA1
3eef9cfa5c979f3b7068e8a5dcc48e05702368f8

SHA256
195821c69cbef8f4ba629c4876967ca3e58ee852b5f0c5e4935d684649936926

SHA512
c8116707e1f96452091db056d877bd38957ae1bfd107975ecad8043ef42a61ccb1ca55c4b50147cb149e1812d52849182571e175a993ba7bcd53115a21c5ce56

Download Submit
memory/424-45-0x0000000000880000-0x00000000008A8000-memory.dmp

Filesize
160KB

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memory/424-107-0x0000000000880000-0x00000000008A8000-memory.dmp

Filesize
160KB

Download
memory/424-43-0x0000000000760000-0x0000000000763000-memory.dmp

Filesize
12KB

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memory/1380-17-0x0000000002670000-0x0000000002673000-memory.dmp

Filesize
12KB

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memory/1380-20-0x0000000002670000-0x0000000002673000-memory.dmp

Filesize
12KB

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memory/1380-18-0x0000000002670000-0x0000000002673000-memory.dmp

Filesize
12KB

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memory/1380-21-0x0000000006C90000-0x0000000006D89000-memory.dmp

Filesize
996KB

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memory/1380-98-0x0000000006C90000-0x0000000006D89000-memory.dmp

Filesize
996KB

Download
memory/2596-26-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2596-102-0x0000000001E60000-0x0000000001E61000-memory.dmp

Filesize
4KB

Download
memory/2596-41-0x000007FEBF340000-0x000007FEBF350000-memory.dmp

Filesize
64KB

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memory/2596-38-0x00000000004D0000-0x000000000059B000-memory.dmp

Filesize
812KB

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memory/2596-36-0x00000000001E0000-0x00000000001E3000-memory.dmp

Filesize
12KB

Download
memory/2596-109-0x0000000004620000-0x00000000047E5000-memory.dmp

Filesize
1.8MB

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memory/2596-32-0x00000000001E0000-0x00000000001E3000-memory.dmp

Filesize
12KB

Download
memory/2596-108-0x0000000001E60000-0x0000000001E61000-memory.dmp

Filesize
4KB

Download
memory/2596-95-0x0000000037760000-0x0000000037770000-memory.dmp

Filesize
64KB

Download
memory/2596-97-0x0000000000880000-0x00000000008A8000-memory.dmp

Filesize
160KB

Download
memory/2596-25-0x00000000000E0000-0x00000000001A3000-memory.dmp

Filesize
780KB

Download
memory/2596-40-0x00000000004D0000-0x000000000059B000-memory.dmp

Filesize
812KB

Download
memory/2596-101-0x0000000001E60000-0x0000000001E61000-memory.dmp

Filesize
4KB

Download
memory/2596-100-0x0000000001E60000-0x0000000001E61000-memory.dmp

Filesize
4KB

Download
memory/2596-99-0x0000000001E60000-0x0000000001E61000-memory.dmp

Filesize
4KB

Download
memory/2596-103-0x00000000004D0000-0x000000000059B000-memory.dmp

Filesize
812KB

Download
memory/2596-104-0x00000000004D0000-0x000000000059B000-memory.dmp

Filesize
812KB

Download
memory/2596-105-0x0000000004620000-0x00000000047E5000-memory.dmp

Filesize
1.8MB

Download
memory/2596-106-0x0000000004620000-0x00000000047E5000-memory.dmp

Filesize
1.8MB

Download
memory/3036-0-0x0000000000DF0000-0x0000000000E5E000-memory.dmp

Filesize
440KB

Download
memory/3036-85-0x0000000000DF0000-0x0000000000E5E000-memory.dmp

Filesize
440KB

Download
memory/3036-47-0x0000000000DF0000-0x0000000000E5E000-memory.dmp

Filesize
440KB

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