745e4e94c5cfed3c2bd3d1dae2a920e134003abb41f2e115de21ad9455eea398

General

Target

ad94d60f55a18437f92fbdcae9b5877b.exe
Size

765KB
MD5

ad94d60f55a18437f92fbdcae9b5877b
SHA1

d54898bab32f25a922b42630c8f7339f7e8b5bd8
SHA256

745e4e94c5cfed3c2bd3d1dae2a920e134003abb41f2e115de21ad9455eea398
SHA512

fd965a7447f4d5befe9a0c2aaebb33ad26215d9b722f2fce5fbb36497804cab6b7ce064f36435a3267498dc41ef2f3559150d9addd46b484203b3acf072b70ae
SSDEEP

12288:QaitwoFKgcZD0OW5AUmV0qayz11JDmJv9O2SfIA5f9FZSk1z4yhMDaq2:XkwkDc10OW5AHVy6vAJv9O2SjN7

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2420	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1976	IEXPLORE.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	IEXPLORE.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	IEXPLORE.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\IEXPLORE.exe	ad94d60f55a18437f92fbdcae9b5877b.exe
File opened for modification	C:\Windows\IEXPLORE.exe	ad94d60f55a18437f92fbdcae9b5877b.exe
File created	C:\Windows\DELME.BAT	ad94d60f55a18437f92fbdcae9b5877b.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	IEXPLORE.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	IEXPLORE.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{187C56BE-C1A2-4AB8-8655-6CC46C1545BD}	IEXPLORE.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{187C56BE-C1A2-4AB8-8655-6CC46C1545BD}\ce-2b-31-ae-4c-b8	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-2b-31-ae-4c-b8\WpadDecision = "0"	IEXPLORE.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	IEXPLORE.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ac000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	IEXPLORE.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	IEXPLORE.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{187C56BE-C1A2-4AB8-8655-6CC46C1545BD}\WpadNetworkName = "Network 3"	IEXPLORE.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	IEXPLORE.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	IEXPLORE.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	IEXPLORE.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-2b-31-ae-4c-b8\WpadDecisionReason = "1"	IEXPLORE.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{187C56BE-C1A2-4AB8-8655-6CC46C1545BD}\WpadDecisionReason = "1"	IEXPLORE.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{187C56BE-C1A2-4AB8-8655-6CC46C1545BD}\WpadDecisionTime = 7060e42ac06ada01	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{187C56BE-C1A2-4AB8-8655-6CC46C1545BD}\WpadDecision = "0"	IEXPLORE.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-2b-31-ae-4c-b8	IEXPLORE.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-2b-31-ae-4c-b8\WpadDecisionTime = 7060e42ac06ada01	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	IEXPLORE.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	IEXPLORE.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	IEXPLORE.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	ad94d60f55a18437f92fbdcae9b5877b.exe
Token: SeDebugPrivilege	1976	IEXPLORE.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1976	IEXPLORE.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2420	1984	ad94d60f55a18437f92fbdcae9b5877b.exe	29
PID 1984 wrote to memory of 2420	1984	ad94d60f55a18437f92fbdcae9b5877b.exe	29
PID 1984 wrote to memory of 2420	1984	ad94d60f55a18437f92fbdcae9b5877b.exe	29
PID 1984 wrote to memory of 2420	1984	ad94d60f55a18437f92fbdcae9b5877b.exe	29

C:\Users\Admin\AppData\Local\Temp\ad94d60f55a18437f92fbdcae9b5877b.exe
"C:\Users\Admin\AppData\Local\Temp\ad94d60f55a18437f92fbdcae9b5877b.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\DELME.BAT
  2⤵
  - Deletes itself
  PID:2420

C:\Windows\IEXPLORE.exe
C:\Windows\IEXPLORE.exe
1⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\DELME.BAT

Filesize
190B

MD5
98a2e082020424a33bbc56685f510968

SHA1
30581ea197167d8e99e22a24cc9060e2291890bb

SHA256
251ffaa0cc8eee8544e37af6e8137629661e47e827a99476c95c9c41f163eeb8

SHA512
e577577ddaf3ff822538a39058d6e3da219ec804f64d9633e80519884f83ff9176bef5dece2292ca37f960487a99d5a5a9bd1faca445afe156a20825ee6b2e26

Download Submit
C:\Windows\IEXPLORE.exe

Filesize
765KB

MD5
ad94d60f55a18437f92fbdcae9b5877b

SHA1
d54898bab32f25a922b42630c8f7339f7e8b5bd8

SHA256
745e4e94c5cfed3c2bd3d1dae2a920e134003abb41f2e115de21ad9455eea398

SHA512
fd965a7447f4d5befe9a0c2aaebb33ad26215d9b722f2fce5fbb36497804cab6b7ce064f36435a3267498dc41ef2f3559150d9addd46b484203b3acf072b70ae

Download Submit
memory/1976-4-0x0000000000010000-0x00000000000D8000-memory.dmp

Filesize
800KB

Download
memory/1976-5-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1976-8-0x0000000000010000-0x00000000000D8000-memory.dmp

Filesize
800KB

Download
memory/1976-12-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1984-0-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1984-7-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/1984-11-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download

Analysis

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