67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160

General

Target

67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe
Size

71KB
MD5

ab901a756b952bb4f6464b4249c9084d
SHA1

8e4991a00ccff1128fd976479e6c4d777c04fd5d
SHA256

67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160
SHA512

9b992011dd593d0dca9ce3ea3a576389a256f83926a79ea81826b73bf18a17c180f758624a85b8fe25d608873707840ad9120df5d7863382908ad39fa451cdc7
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sl6:Olg35GTslA5t3/w8L

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

oubcooveaf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	oubcooveaf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	oubcooveaf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	oubcooveaf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	oubcooveaf.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

oubcooveaf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50554D41-5254-4e52-5055-4D4152544e52}\StubPath = "C:\\Windows\\system32\\amrootoad.exe"	oubcooveaf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50554D41-5254-4e52-5055-4D4152544e52}	oubcooveaf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50554D41-5254-4e52-5055-4D4152544e52}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	oubcooveaf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50554D41-5254-4e52-5055-4D4152544e52}\IsInstalled = "1"	oubcooveaf.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

oubcooveaf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\enkoateap.exe"	oubcooveaf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	oubcooveaf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	oubcooveaf.exe

Executes dropped EXE 2 IoCs

Processes:

oubcooveaf.exeoubcooveaf.exe

pid process

2548 oubcooveaf.exe
3008 oubcooveaf.exe

Loads dropped DLL 3 IoCs

Processes:

67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exeoubcooveaf.exe

pid	process
1924	67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe
1924	67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe
2548	oubcooveaf.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

oubcooveaf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	oubcooveaf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	oubcooveaf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	oubcooveaf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	oubcooveaf.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

oubcooveaf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	oubcooveaf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\eargunoan-akoas.dll"	oubcooveaf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	oubcooveaf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	oubcooveaf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	oubcooveaf.exe

Drops file in System32 directory 9 IoCs

Processes:

67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exeoubcooveaf.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\oubcooveaf.exe	67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe
File created	C:\Windows\SysWOW64\enkoateap.exe	oubcooveaf.exe
File opened for modification	C:\Windows\SysWOW64\amrootoad.exe	oubcooveaf.exe
File opened for modification	C:\Windows\SysWOW64\eargunoan-akoas.dll	oubcooveaf.exe
File opened for modification	C:\Windows\SysWOW64\oubcooveaf.exe	oubcooveaf.exe
File created	C:\Windows\SysWOW64\oubcooveaf.exe	67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe
File opened for modification	C:\Windows\SysWOW64\enkoateap.exe	oubcooveaf.exe
File created	C:\Windows\SysWOW64\amrootoad.exe	oubcooveaf.exe
File created	C:\Windows\SysWOW64\eargunoan-akoas.dll	oubcooveaf.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

oubcooveaf.exeoubcooveaf.exe

pid	process
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
3008	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe
2548	oubcooveaf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exeoubcooveaf.exe

description	pid	process
Token: SeDebugPrivilege	1924	67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe
Token: SeDebugPrivilege	2548	oubcooveaf.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exeoubcooveaf.exe

description	pid	process	target process
PID 1924 wrote to memory of 2548	1924	67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe	oubcooveaf.exe
PID 1924 wrote to memory of 2548	1924	67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe	oubcooveaf.exe
PID 1924 wrote to memory of 2548	1924	67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe	oubcooveaf.exe
PID 1924 wrote to memory of 2548	1924	67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe	oubcooveaf.exe
PID 2548 wrote to memory of 432	2548	oubcooveaf.exe	winlogon.exe
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 3008	2548	oubcooveaf.exe	oubcooveaf.exe
PID 2548 wrote to memory of 3008	2548	oubcooveaf.exe	oubcooveaf.exe
PID 2548 wrote to memory of 3008	2548	oubcooveaf.exe	oubcooveaf.exe
PID 2548 wrote to memory of 3008	2548	oubcooveaf.exe	oubcooveaf.exe
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE
PID 2548 wrote to memory of 1192	2548	oubcooveaf.exe	Explorer.EXE

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192

C:\Users\Admin\AppData\Local\Temp\67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe
"C:\Users\Admin\AppData\Local\Temp\67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160.exe"
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924

C:\Windows\SysWOW64\oubcooveaf.exe
"C:\Windows\system32\oubcooveaf.exe"
3⤵
- Windows security bypass
- Modifies Installed Components in the registry
- Sets file execution options in registry
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548

C:\Windows\SysWOW64\oubcooveaf.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\amrootoad.exe

Filesize
73KB

MD5
14c4f0fa4f8c59cb6a691a45659ce87e

SHA1
7c745e16d8b29b04e965c35ff228292f02fc8401

SHA256
e534fbed43ec85232af3c1088d330aefaa108c10d34ed431e3b77f3e3dff62c5

SHA512
37530211076be32767d398da91627af466a3462848e9c81a53d68d00ca89fc6347bbf64cecc9a64bc013385540e9dd99306226c4872223a6eef884943904f03e

Download Submit
C:\Windows\SysWOW64\eargunoan-akoas.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\enkoateap.exe

Filesize
74KB

MD5
14e7dc7e66ea8490b452568d4bc4eb23

SHA1
faef9fc0c2beb649dc3a5702fe8eab7e8b952105

SHA256
bbf6ff18030e32de3ea3b66d72a72416f3cf684817be16fa519456e963bc921c

SHA512
29fedd0cb9b20ca91c44a3795fb0b284da23c5a3ba5c05d2dbd7afe8026dbf875f8adab5175da2f861d2005fc95eeab0e3b13197907cf8b30bf1fd7e532f8a5d

Download Submit
\Windows\SysWOW64\oubcooveaf.exe

Filesize
71KB

MD5
ab901a756b952bb4f6464b4249c9084d

SHA1
8e4991a00ccff1128fd976479e6c4d777c04fd5d

SHA256
67e878c8fb23f279ef850a6498be747603a5353f8f3dfced6981bed1e596f160

SHA512
9b992011dd593d0dca9ce3ea3a576389a256f83926a79ea81826b73bf18a17c180f758624a85b8fe25d608873707840ad9120df5d7863382908ad39fa451cdc7

Download Submit
memory/1924-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2548-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3008-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads