9189c6e7803860089ebebd517231ce26e767bdd30cf4aba283fd2e1163f8076d

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12/05/2024, 00:59

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General

Target

9189c6e7803860089ebebd517231ce26e767bdd30cf4aba283fd2e1163f8076d.exe
Size

72KB
MD5

3722f98dea26e7491eb4e9b04c1ca7eb
SHA1

089041e0de3a16ee280417f864abf42f416c4f1b
SHA256

9189c6e7803860089ebebd517231ce26e767bdd30cf4aba283fd2e1163f8076d
SHA512

246bb92fe0bdef6325e2f81446f3497a5731d8e8acd0dc3d1bc5209fb02371e2ef7c273a2fff0f187d46b9566e35e6fcdd7fa6c1907ba857b0c175c8e1417650
SSDEEP

1536:xn7QGVjigzirGfbTjJTASbe+04zwHSoMU3k0A8Boq9:1QG52rGfPjJTAD+048HS0k0A8Gq9

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\AntiVirusDisableNotify = "25600"	oukkesoom.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	oukkesoom.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	oukkesoom.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	oukkesoom.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 (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\StubPath = "C:\\Windows\\system32\\oufrepax.exe"	oukkesoom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}	oukkesoom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	oukkesoom.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F424A49-5955-4945-4F42-4A4959554945}\IsInstalled = "1"	oukkesoom.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	oukkesoom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	oukkesoom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\usnexik.exe"	oukkesoom.exe

Executes dropped EXE 2 IoCs

pid	Process
3336	oukkesoom.exe
3480	oukkesoom.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\AntiVirusDisableNotify = "25600"	oukkesoom.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	oukkesoom.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	oukkesoom.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	oukkesoom.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}	oukkesoom.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	oukkesoom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	oukkesoom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\lroageak-efix.dll"	oukkesoom.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	oukkesoom.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\oufrepax.exe	oukkesoom.exe
File opened for modification	C:\Windows\SysWOW64\lroageak-efix.dll	oukkesoom.exe
File opened for modification	C:\Windows\SysWOW64\oukkesoom.exe	9189c6e7803860089ebebd517231ce26e767bdd30cf4aba283fd2e1163f8076d.exe
File created	C:\Windows\SysWOW64\oukkesoom.exe	9189c6e7803860089ebebd517231ce26e767bdd30cf4aba283fd2e1163f8076d.exe
File opened for modification	C:\Windows\SysWOW64\oufrepax.exe	oukkesoom.exe
File created	C:\Windows\SysWOW64\lroageak-efix.dll	oukkesoom.exe
File opened for modification	C:\Windows\SysWOW64\oukkesoom.exe	oukkesoom.exe
File opened for modification	C:\Windows\SysWOW64\usnexik.exe	oukkesoom.exe
File created	C:\Windows\SysWOW64\usnexik.exe	oukkesoom.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3480	oukkesoom.exe
3480	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe
3336	oukkesoom.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3336	oukkesoom.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 3336	3348	9189c6e7803860089ebebd517231ce26e767bdd30cf4aba283fd2e1163f8076d.exe	81
PID 3348 wrote to memory of 3336	3348	9189c6e7803860089ebebd517231ce26e767bdd30cf4aba283fd2e1163f8076d.exe	81
PID 3348 wrote to memory of 3336	3348	9189c6e7803860089ebebd517231ce26e767bdd30cf4aba283fd2e1163f8076d.exe	81
PID 3336 wrote to memory of 3480	3336	oukkesoom.exe	82
PID 3336 wrote to memory of 3480	3336	oukkesoom.exe	82
PID 3336 wrote to memory of 3480	3336	oukkesoom.exe	82
PID 3336 wrote to memory of 612	3336	oukkesoom.exe	5
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56
PID 3336 wrote to memory of 3536	3336	oukkesoom.exe	56

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3536
- C:\Users\Admin\AppData\Local\Temp\9189c6e7803860089ebebd517231ce26e767bdd30cf4aba283fd2e1163f8076d.exe
  "C:\Users\Admin\AppData\Local\Temp\9189c6e7803860089ebebd517231ce26e767bdd30cf4aba283fd2e1163f8076d.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3348
- - C:\Windows\SysWOW64\oukkesoom.exe
    "C:\Windows\SysWOW64\oukkesoom.exe"
    3⤵
    - Windows security bypass
    - Modifies Installed Components in the registry
    - Sets file execution options in registry
    - Executes dropped EXE
    - Windows security modification
    - Modifies WinLogon
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3336
  - - C:\Windows\SysWOW64\oukkesoom.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:3480

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\lroageak-efix.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
72KB

MD5
68adf7624ce0f1b4335b871fd63d32f9

SHA1
b775ddfd43262dcd1ffaaa884eabe3b459a7d729

SHA256
1a920b6f869ee44d35fa86fc8f01663ee3a8327570ec2f6a98da744bc188b5c8

SHA512
6a1c3c025ffbf61f86cefc6c90188e6b9b9c8b42342b679ddceeb14bff14ab7710c426839e4c57e9c17dc03c7cba31a3ffbb98f9d0555f3cbaceaaa75c6e4450

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

Filesize
70KB

MD5
4437c5bd954dc925ce5dc730e6a65e43

SHA1
9c52c3bda3703d139d90d968c3bfdef6955f0916

SHA256
87253e95b81baea13d92a045ca873657df7f349ebca38217d554b677422d738e

SHA512
21ff33cbb3840220425131defb56df4f55265b90350c690f235b8d6803bddf3a7eb1d552d8003a5e7d73eeea3218c511f51c9dfbd9a2d3d4142c4ad4d8d81970

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

Filesize
73KB

MD5
bad0b6bd85e9fb87c54d82511c248d66

SHA1
17881223e1ae9512409c1e11d4c7a9c8191661a4

SHA256
fe2c08e104db613453a6f7b537eea29174a9475685dca27240df6452d5c91846

SHA512
07582353ef4477ffe9cba14692d7305d745da95533bd9c6ba4e1485d677a38759ae039fff77e0e069ff6d70332478720a1aac4f56f47e52ccabba3d3edf43088

Download Submit
memory/3336-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3348-2-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3480-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download