cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29

General

Target

cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
Size

3.5MB
MD5

2f405c0ebfc93ee6f97d25b7142010cf
SHA1

76bf27320efffa815527a0a358efa391a381379d
SHA256

cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29
SHA512

a352ed0bbc0d9e8e0f263ac20975e6339c55082fa8c102c6ea896d24c2fabddab1a329d2ed2e95e7d829f9ccba561a207ff3cfe83a71575151acc854f13391f4
SSDEEP

98304:ylAtWDvPNZgZzZe4CRc68l9AZAALTLo98:mAoDXN8zQ4l68l9AZAAc98

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3740	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:\\Program Files\\Ttoaz\\Aiknx.exe"	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.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

Drops file in Program Files directory 15 IoCs

description	ioc	Process
File created	C:\Program Files\Ttoaz\levoof.exe	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File opened for modification	C:\Program Files\Ttoaz\levoof.exe	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File opened for modification	C:\Program Files\Ttoaz\Oquy\Jbel.dll	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File created	C:\Program Files\Ttoaz\hescev.exe	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File opened for modification	C:\Program Files\Ttoaz\kehese\pat.xml	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File opened for modification	C:\Program Files\Ttoaz\kehese\togese.dll	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File created	C:\Program Files\Common Files\System\Ole DB\MSPat.xml	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File created	C:\Program Files\Ttoaz\kehese\pat.xml	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File created	C:\Program Files\Ttoaz\kehese\togese.dll	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File opened for modification	C:\Program Files\Ttoaz\Aiknx.exe	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File opened for modification	C:\Program Files\Ttoaz\Guxcu.exe	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File opened for modification	C:\Program Files\Ttoaz\hescev.exe	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File opened for modification	C:\Program Files\Ttoaz\jy.ini	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File created	C:\Program Files\Ttoaz\jy.ini	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\MSPat.xml	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.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 17 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2265111783"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2265111783"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B16CE5A6-779F-11ED-BF5F-621DF61BAEF5} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31001516"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31001516"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3496	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3740	Security.Task.Manager.v1.7f.Multilingual.exe
3740	Security.Task.Manager.v1.7f.Multilingual.exe
3496	iexplore.exe
3496	iexplore.exe
3292	IEXPLORE.EXE
3292	IEXPLORE.EXE
3292	IEXPLORE.EXE
3292	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 3740	1636	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	86
PID 1636 wrote to memory of 3740	1636	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	86
PID 1636 wrote to memory of 3740	1636	cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe	86
PID 3496 wrote to memory of 3292	3496	iexplore.exe	96
PID 3496 wrote to memory of 3292	3496	iexplore.exe	96
PID 3496 wrote to memory of 3292	3496	iexplore.exe	96

C:\Users\Admin\AppData\Local\Temp\cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe
"C:\Users\Admin\AppData\Local\Temp\cb7a2ca31d804f40c9066d7d95a9e4720e1a1cf18ce11c6eac3cc5ebbde5cc29.exe"
1⤵
- Sets service image path in registry
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\g83865\Security.Task.Manager.v1.7f.Multilingual.exe
  C:\Users\Admin\AppData\Local\Temp\g83865\Security.Task.Manager.v1.7f.Multilingual.exe
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious use of SetWindowsHookEx
  PID:3740

C:\Program Files (x86)\Internet Explorer\ielowutil.exe
"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{D5E8041D-920F-45e9-B8FB-B1DEB82C6E5E} -Embedding
1⤵
PID:2000

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:3496
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3496 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3292

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\g83865\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\g83865\Security.Task.Manager.v1.7f.Multilingual.exe

Filesize
1.7MB

MD5
f104a5404b802a065610842ec754c459

SHA1
7ab73e19008eb661f22af083d6c4d3ecc7644adc

SHA256
89f4463cf3012145faeeda5df2461e2de2513687a14842028d66d3b60beec717

SHA512
df942b1cb8eef7ebed6dc2560f85d5b1d887fcbfa53787d86a5e97ec2c4c6c5c72162a8e8fc6bf29bf7aa2687d3e32e9b587e0286a9e584ad076446090bbd4c8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads