cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29

Analysis

max time kernel
107s
max time network
146s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 05:46

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General

Target

cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
Size

3.5MB
MD5

2f405c0ebfc93ee6f97d25b7142010cf
SHA1

76bf27320efffa815527a0a358efa391a381379d
SHA256

cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29
SHA512

a352ed0bbc0d9e8e0f263ac20975e6339c55082fa8c102c6ea896d24c2fabddab1a329d2ed2e95e7d829f9ccba561a207ff3cfe83a71575151acc854f13391f4
SSDEEP

98304:ylAtWDvPNZgZzZe4CRc68l9AZAALTLo98:mAoDXN8zQ4l68l9AZAAc98

Score

8^/10

evasion persistence trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1276	Security.Task.Manager.v1.7f.Multilingual.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\OALX\ImagePath = "C:\\ProgramData\\Ioxjx\\Uivtw.exe"	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe

Loads dropped DLL 3 IoCs

pid	Process
1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
1276	Security.Task.Manager.v1.7f.Multilingual.exe
1276	Security.Task.Manager.v1.7f.Multilingual.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	Security.Task.Manager.v1.7f.Multilingual.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	Security.Task.Manager.v1.7f.Multilingual.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0a1b133ac0bd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000284b2c509c73aa4f88486e56547d799600000000020000000000106600000001000020000000d2848513eae4303f30aba5a9be1b8683c313e59950e3c024e6298c02c2b349a4000000000e80000000020000200000002d4df43eb956ad732cbad6efbe59a733003e592b8decb4061e0d38010b15310920000000cd07bfeaddf1c215fc44f6f1f4e3f4898380ecb4376f1295e98bf54cbc364b3d40000000fbe37573fd3b4ba01764b534478e015f2ebeb139c9aac771b36bac95a85c6da189a43f2e301b829abf879cd095d4e864146bfda071c3a4a6b5b791f9cc76b2d1	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377341131"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4ADAB511-779F-11ED-9916-DE5CC620A9B4} = "0"	iexplore.exe

Runs net.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1812	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1276	Security.Task.Manager.v1.7f.Multilingual.exe
1276	Security.Task.Manager.v1.7f.Multilingual.exe
1812	iexplore.exe
1812	iexplore.exe
968	IEXPLORE.EXE
968	IEXPLORE.EXE
968	IEXPLORE.EXE
968	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 1240	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	28
PID 1052 wrote to memory of 1240	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	28
PID 1052 wrote to memory of 1240	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	28
PID 1052 wrote to memory of 1240	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	28
PID 1052 wrote to memory of 1240	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	28
PID 1052 wrote to memory of 1240	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	28
PID 1052 wrote to memory of 1240	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	28
PID 1240 wrote to memory of 1972	1240	Net.exe	30
PID 1240 wrote to memory of 1972	1240	Net.exe	30
PID 1240 wrote to memory of 1972	1240	Net.exe	30
PID 1240 wrote to memory of 1972	1240	Net.exe	30
PID 1240 wrote to memory of 1972	1240	Net.exe	30
PID 1240 wrote to memory of 1972	1240	Net.exe	30
PID 1240 wrote to memory of 1972	1240	Net.exe	30
PID 1052 wrote to memory of 1276	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	31
PID 1052 wrote to memory of 1276	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	31
PID 1052 wrote to memory of 1276	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	31
PID 1052 wrote to memory of 1276	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	31
PID 1052 wrote to memory of 1276	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	31
PID 1052 wrote to memory of 1276	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	31
PID 1052 wrote to memory of 1276	1052	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	31
PID 1812 wrote to memory of 968	1812	iexplore.exe	34
PID 1812 wrote to memory of 968	1812	iexplore.exe	34
PID 1812 wrote to memory of 968	1812	iexplore.exe	34
PID 1812 wrote to memory of 968	1812	iexplore.exe	34
PID 1812 wrote to memory of 968	1812	iexplore.exe	34
PID 1812 wrote to memory of 968	1812	iexplore.exe	34
PID 1812 wrote to memory of 968	1812	iexplore.exe	34

C:\Users\Admin\AppData\Local\Temp\cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
"C:\Users\Admin\AppData\Local\Temp\cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe"
1⤵
- Sets service image path in registry
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Windows\SysWOW64\Net.exe
  Net Stop PcaSvc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 Stop PcaSvc
    3⤵
    PID:1972
- C:\Users\Admin\AppData\Local\Temp\g8FAC4\Security.Task.Manager.v1.7f.Multilingual.exe
  C:\Users\Admin\AppData\Local\Temp\g8FAC4\Security.Task.Manager.v1.7f.Multilingual.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1276

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -startmediumtab -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1812 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:968

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
59a3c0af4db39f22524fd46f4f768d03

SHA1
036a678ff074bc60893549c741d1f4d034a1ffd6

SHA256
45985ecd454639a630f92f149fb59409b987df6d1d5e9409adf8165fd96160d4

SHA512
60c956648e0ac77fe1b2b338c74e505293f064ab0b7805c39d0458e5dd7bef66ad5479b98679ab0c35ba9cc61ab4797ba88e3745b2c843f981887a72229126bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\g8FAC4\Security.Task.Manager.v1.7f.Multilingual.exe

Filesize
1.7MB

MD5
f104a5404b802a065610842ec754c459

SHA1
7ab73e19008eb661f22af083d6c4d3ecc7644adc

SHA256
89f4463cf3012145faeeda5df2461e2de2513687a14842028d66d3b60beec717

SHA512
df942b1cb8eef7ebed6dc2560f85d5b1d887fcbfa53787d86a5e97ec2c4c6c5c72162a8e8fc6bf29bf7aa2687d3e32e9b587e0286a9e584ad076446090bbd4c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\g8FAC4\Security.Task.Manager.v1.7f.Multilingual.exe

Filesize
1.7MB

MD5
f104a5404b802a065610842ec754c459

SHA1
7ab73e19008eb661f22af083d6c4d3ecc7644adc

SHA256
89f4463cf3012145faeeda5df2461e2de2513687a14842028d66d3b60beec717

SHA512
df942b1cb8eef7ebed6dc2560f85d5b1d887fcbfa53787d86a5e97ec2c4c6c5c72162a8e8fc6bf29bf7aa2687d3e32e9b587e0286a9e584ad076446090bbd4c8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\3EUQ2O85.txt

Filesize
603B

MD5
1b5174296b83b7f5203aaef16b9c3e05

SHA1
6205c549dbcdfdc7f1dcc4514344225c8eb6022b

SHA256
333e8f3f36d24be1067f2a9da7326421a88c94c2b491a23be99d4dd9249c5fe7

SHA512
d6714c5edc1dbcd1713d29ceabd3ea14a76dd8682d85dc0b8e5871b9c161e13b12619c2fb988f41c9920adf710e6597585f511c54f667ce16a96b29df3e90ef3

Download Submit
\Users\Admin\AppData\Local\Temp\g8FAC4\Security.Task.Manager.v1.7f.Multilingual.exe

Filesize
1.7MB

MD5
f104a5404b802a065610842ec754c459

SHA1
7ab73e19008eb661f22af083d6c4d3ecc7644adc

SHA256
89f4463cf3012145faeeda5df2461e2de2513687a14842028d66d3b60beec717

SHA512
df942b1cb8eef7ebed6dc2560f85d5b1d887fcbfa53787d86a5e97ec2c4c6c5c72162a8e8fc6bf29bf7aa2687d3e32e9b587e0286a9e584ad076446090bbd4c8

Download Submit
\Users\Admin\AppData\Local\Temp\g8FAC4\Security.Task.Manager.v1.7f.Multilingual.exe

Filesize
1.7MB

MD5
f104a5404b802a065610842ec754c459

SHA1
7ab73e19008eb661f22af083d6c4d3ecc7644adc

SHA256
89f4463cf3012145faeeda5df2461e2de2513687a14842028d66d3b60beec717

SHA512
df942b1cb8eef7ebed6dc2560f85d5b1d887fcbfa53787d86a5e97ec2c4c6c5c72162a8e8fc6bf29bf7aa2687d3e32e9b587e0286a9e584ad076446090bbd4c8

Download Submit
\Users\Admin\AppData\Local\Temp\g8FAC4\Security.Task.Manager.v1.7f.Multilingual.exe

Filesize
1.7MB

MD5
f104a5404b802a065610842ec754c459

SHA1
7ab73e19008eb661f22af083d6c4d3ecc7644adc

SHA256
89f4463cf3012145faeeda5df2461e2de2513687a14842028d66d3b60beec717

SHA512
df942b1cb8eef7ebed6dc2560f85d5b1d887fcbfa53787d86a5e97ec2c4c6c5c72162a8e8fc6bf29bf7aa2687d3e32e9b587e0286a9e584ad076446090bbd4c8

Download Submit
memory/1052-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads