27909065e50cb895866e3a49b7f12e8b43b70e1a896f6abed62b0836cc2bebde

Analysis

max time kernel
149s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 10:55

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General

Target

7131e5a260e0fe39ca3b465999a1e160_NEIKI.exe
Size

73KB
MD5

7131e5a260e0fe39ca3b465999a1e160
SHA1

beca821bdba6d07b2400e6426fc572d68890559c
SHA256

27909065e50cb895866e3a49b7f12e8b43b70e1a896f6abed62b0836cc2bebde
SHA512

5de6b3757ff3497ff0e24f397f7dc64f7f1168bb2f04bb4b8ea27944e9fd8dc9c706da73c6f0e3ec4a3876d0730081a5a69d1962b3df216dadf7ee6f8fba4a03
SSDEEP

768:x/nbDcnZARkcr07JP9Xdg7SV5bWNy1IMakG98N+hayyyOHoW5iKTNGNXft9RxVHj:xDDcIJ0JlXuGEUaWMnHcJOVkr1B6

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"	ouktaner.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ouktaner.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ouktaner.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ouktaner.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\{484E4F50-4d4c-5059-484E-4F504D4C5059}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ouktaner.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{484E4F50-4d4c-5059-484E-4F504D4C5059}\IsInstalled = "1"	ouktaner.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{484E4F50-4d4c-5059-484E-4F504D4C5059}\StubPath = "C:\\Windows\\system32\\inhoogom-eafex.exe"	ouktaner.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{484E4F50-4d4c-5059-484E-4F504D4C5059}	ouktaner.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	ouktaner.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	ouktaner.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\eavneafoak.exe"	ouktaner.exe

Executes dropped EXE 2 IoCs

pid	Process
4064	ouktaner.exe
3000	ouktaner.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\FirewallDisableNotify = "25600"	ouktaner.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ouktaner.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	ouktaner.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ouktaner.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}	ouktaner.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	ouktaner.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ouktaner.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\axbookib-dom.dll"	ouktaner.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	ouktaner.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\axbookib-dom.dll	ouktaner.exe
File created	C:\Windows\SysWOW64\axbookib-dom.dll	ouktaner.exe
File opened for modification	C:\Windows\SysWOW64\ouktaner.exe	ouktaner.exe
File opened for modification	C:\Windows\SysWOW64\eavneafoak.exe	ouktaner.exe
File opened for modification	C:\Windows\SysWOW64\inhoogom-eafex.exe	ouktaner.exe
File created	C:\Windows\SysWOW64\inhoogom-eafex.exe	ouktaner.exe
File opened for modification	C:\Windows\SysWOW64\ouktaner.exe	7131e5a260e0fe39ca3b465999a1e160_NEIKI.exe
File created	C:\Windows\SysWOW64\ouktaner.exe	7131e5a260e0fe39ca3b465999a1e160_NEIKI.exe
File created	C:\Windows\SysWOW64\eavneafoak.exe	ouktaner.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
3000	ouktaner.exe
3000	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe
4064	ouktaner.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4064	ouktaner.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 4064	1264	7131e5a260e0fe39ca3b465999a1e160_NEIKI.exe	83
PID 1264 wrote to memory of 4064	1264	7131e5a260e0fe39ca3b465999a1e160_NEIKI.exe	83
PID 1264 wrote to memory of 4064	1264	7131e5a260e0fe39ca3b465999a1e160_NEIKI.exe	83
PID 4064 wrote to memory of 3000	4064	ouktaner.exe	84
PID 4064 wrote to memory of 3000	4064	ouktaner.exe	84
PID 4064 wrote to memory of 3000	4064	ouktaner.exe	84
PID 4064 wrote to memory of 616	4064	ouktaner.exe	5
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56
PID 4064 wrote to memory of 3380	4064	ouktaner.exe	56

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3380
- C:\Users\Admin\AppData\Local\Temp\7131e5a260e0fe39ca3b465999a1e160_NEIKI.exe
  "C:\Users\Admin\AppData\Local\Temp\7131e5a260e0fe39ca3b465999a1e160_NEIKI.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1264
- - C:\Windows\SysWOW64\ouktaner.exe
    "C:\Windows\SysWOW64\ouktaner.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:4064
  - - C:\Windows\SysWOW64\ouktaner.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:3000

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\axbookib-dom.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
74KB

MD5
218886ebe9278e790475365a8a9329c6

SHA1
c7b7b81a2c9cacfc4f54b6274f466d78a76a74e8

SHA256
df807e85f99132e5a8ba2d5c9158d517d43040c93ae8bc613d5395bca55e32b9

SHA512
64a7782f0a49334d42e438dc33a3c91aa718bb471046cd1bfb138d64286213fd5fc3159336edc4a4ca595a0d719b139a0fc3f7f682621d1be80ec664e1f879b3

Download Submit
C:\Windows\SysWOW64\inhoogom-eafex.exe

Filesize
73KB

MD5
611675e5eff17d35973304abd3f21cd5

SHA1
509442323837fe086fa93a5a8e9b7f783ac9606b

SHA256
63349da52fd2316f6121586ceeab673fe251631c838d218bc03c6580d4cf6cf0

SHA512
df7a18899bde00f6d2b6420e7f99c0fea94e23973e4902f3279f347c987359d232ba124a8b4ed3d9531ce7f18c4580d4cd1a5d1757b4cb060dea46f55cc40506

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

Filesize
71KB

MD5
e65b71570ecaf29876b4583198640fc5

SHA1
7eb263e7429434b951fc80d34a8decffda3e8b7b

SHA256
46e154db172c5b219e502b11aba71cae5310607a6aa1df4192c50d46d78f1266

SHA512
fdc4cb4431b64c0e6d5cdd005bbb10ed420da72a07a018d3eba4466625f6f053fdab79b17aa68ef86c3e99350bd13c39ff27c3893162be887db0a3c7d9b39b60

Download Submit
memory/1264-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3000-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4064-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download