5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d

Analysis

max time kernel
149s
max time network
124s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
01/05/2024, 22:03

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General

Target

5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe
Size

70KB
MD5

cd7c279be331a3b800fdb067b738fbe0
SHA1

9f17638d997cda4b036d42326ba2bcda7fd3464a
SHA256

5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d
SHA512

1c13cb6528865e856f84f53fa1eb954bdb294eaff1bda0be399e39447165985d1e5deb4adfd1932ce6b4e78879a322319b591eff6392d9ed573037fc8a177b27
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sl6R:Olg35GTslA5t3/w87R

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

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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5549424E-514e-4d41-5549-424E514E4d41}\IsInstalled = "1"	ouhpoafug-hac.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5549424E-514e-4d41-5549-424E514E4d41}\StubPath = "C:\\Windows\\system32\\enbeteas.exe"	ouhpoafug-hac.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5549424E-514e-4d41-5549-424E514E4d41}	ouhpoafug-hac.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5549424E-514e-4d41-5549-424E514E4d41}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ouhpoafug-hac.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 2 IoCs

pid	Process
2108	ouhpoafug-hac.exe
2140	ouhpoafug-hac.exe

Loads dropped DLL 3 IoCs

pid	Process
1736	5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe
1736	5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe
2108	ouhpoafug-hac.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

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

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ousrubic-xoab.dll	ouhpoafug-hac.exe
File opened for modification	C:\Windows\SysWOW64\ouhpoafug-hac.exe	ouhpoafug-hac.exe
File created	C:\Windows\SysWOW64\ouhpoafug-hac.exe	5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe
File opened for modification	C:\Windows\SysWOW64\skitoov.exe	ouhpoafug-hac.exe
File opened for modification	C:\Windows\SysWOW64\enbeteas.exe	ouhpoafug-hac.exe
File created	C:\Windows\SysWOW64\enbeteas.exe	ouhpoafug-hac.exe
File opened for modification	C:\Windows\SysWOW64\ousrubic-xoab.dll	ouhpoafug-hac.exe
File opened for modification	C:\Windows\SysWOW64\ouhpoafug-hac.exe	5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe
File created	C:\Windows\SysWOW64\skitoov.exe	ouhpoafug-hac.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2140	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe
2108	ouhpoafug-hac.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe
Token: SeDebugPrivilege	2108	ouhpoafug-hac.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2108	1736	5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe	28
PID 1736 wrote to memory of 2108	1736	5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe	28
PID 1736 wrote to memory of 2108	1736	5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe	28
PID 1736 wrote to memory of 2108	1736	5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe	28
PID 2108 wrote to memory of 432	2108	ouhpoafug-hac.exe	5
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 2140	2108	ouhpoafug-hac.exe	29
PID 2108 wrote to memory of 2140	2108	ouhpoafug-hac.exe	29
PID 2108 wrote to memory of 2140	2108	ouhpoafug-hac.exe	29
PID 2108 wrote to memory of 2140	2108	ouhpoafug-hac.exe	29
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21
PID 2108 wrote to memory of 1180	2108	ouhpoafug-hac.exe	21

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe
  "C:\Users\Admin\AppData\Local\Temp\5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Windows\SysWOW64\ouhpoafug-hac.exe
    "C:\Windows\system32\ouhpoafug-hac.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:2108
  - - C:\Windows\SysWOW64\ouhpoafug-hac.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\enbeteas.exe

Filesize
72KB

MD5
87fadea81d45678ea708b64ddb64ab29

SHA1
c945847328884c864e10015985ccc1d60c60b57f

SHA256
6c43f0a35fc74b932dfff7f27982f69b3b19b1231b97518853cec5939c914955

SHA512
acfda8a7e08623a6872d89460ffee112d786664a937ef9d906248db8406da769352a5dbc5f7420e934fb2817f5ac53b796f5f3403921edeaefa1129586fdcd3a

Download Submit
C:\Windows\SysWOW64\ousrubic-xoab.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
73KB

MD5
34cdbb828be3c080c076f004e5ef038a

SHA1
773df229194172060123751e2086bb5542cf9d0c

SHA256
a05f5c2def7680b6a22c9e2a656c373b915e4350013bd0375f673c1facb9a4c3

SHA512
bf085a8230609470659564495e70ca343c901a536bd621cefd6ac22c3808e03d5efdcb7945144a439274f20ebb76ab97fc9790d4f403ef692561322df52c88c1

Download Submit
\Windows\SysWOW64\ouhpoafug-hac.exe

Filesize
70KB

MD5
cd7c279be331a3b800fdb067b738fbe0

SHA1
9f17638d997cda4b036d42326ba2bcda7fd3464a

SHA256
5a2e2575b08f1efd2e8a5001af2fcd813e32373f6b291f5e4917f350d4983c2d

SHA512
1c13cb6528865e856f84f53fa1eb954bdb294eaff1bda0be399e39447165985d1e5deb4adfd1932ce6b4e78879a322319b591eff6392d9ed573037fc8a177b27

Download Submit
memory/1736-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2108-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2140-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download