a0a84918995636e76bc496bfe8e7300f31dde330848fd5c3aad6ea4aeedee549

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 14:50

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General

Target

e3242bb6979804cf133d356dd369db50_NEIKI.exe
Size

73KB
MD5

e3242bb6979804cf133d356dd369db50
SHA1

000aa2bd314f05bb3a730a9d64e0db9abac40448
SHA256

a0a84918995636e76bc496bfe8e7300f31dde330848fd5c3aad6ea4aeedee549
SHA512

09359db19ffbaff9b80877d0eeed2454437cf061d48bf5a193537387bdf03fa35698b9765b5749b55d2659fa05959e383642df83ddc3c86d33ffb09af3cc4ed4
SSDEEP

1536:xr9S940hfcXdb8hnrBNf7IdWBeKzKLUHun+zmIGA/VSU:W940hNVBIdWBjUDAEU

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"	amcetoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	amcetoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	amcetoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	amcetoor.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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}	amcetoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	amcetoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}\IsInstalled = "1"	amcetoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4256524B-4950-5453-4256-524B49505453}\StubPath = "C:\\Windows\\system32\\adcunub.exe"	amcetoor.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	amcetoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	amcetoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\chinob-epur.exe"	amcetoor.exe

Executes dropped EXE 2 IoCs

pid	Process
3192	amcetoor.exe
4380	amcetoor.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"	amcetoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	amcetoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	amcetoor.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	amcetoor.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	amcetoor.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	amcetoor.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	amcetoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	amcetoor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\oubdohep-eacom.dll"	amcetoor.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\amcetoor.exe	e3242bb6979804cf133d356dd369db50_NEIKI.exe
File opened for modification	C:\Windows\SysWOW64\adcunub.exe	amcetoor.exe
File opened for modification	C:\Windows\SysWOW64\amcetoor.exe	amcetoor.exe
File created	C:\Windows\SysWOW64\amcetoor.exe	e3242bb6979804cf133d356dd369db50_NEIKI.exe
File opened for modification	C:\Windows\SysWOW64\chinob-epur.exe	amcetoor.exe
File created	C:\Windows\SysWOW64\chinob-epur.exe	amcetoor.exe
File created	C:\Windows\SysWOW64\adcunub.exe	amcetoor.exe
File opened for modification	C:\Windows\SysWOW64\oubdohep-eacom.dll	amcetoor.exe
File created	C:\Windows\SysWOW64\oubdohep-eacom.dll	amcetoor.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
4380	amcetoor.exe
4380	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe
3192	amcetoor.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3192	amcetoor.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 3192	224	e3242bb6979804cf133d356dd369db50_NEIKI.exe	77
PID 224 wrote to memory of 3192	224	e3242bb6979804cf133d356dd369db50_NEIKI.exe	77
PID 224 wrote to memory of 3192	224	e3242bb6979804cf133d356dd369db50_NEIKI.exe	77
PID 3192 wrote to memory of 612	3192	amcetoor.exe	5
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 4380	3192	amcetoor.exe	78
PID 3192 wrote to memory of 4380	3192	amcetoor.exe	78
PID 3192 wrote to memory of 4380	3192	amcetoor.exe	78
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56
PID 3192 wrote to memory of 3480	3192	amcetoor.exe	56

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3480
- C:\Users\Admin\AppData\Local\Temp\e3242bb6979804cf133d356dd369db50_NEIKI.exe
  "C:\Users\Admin\AppData\Local\Temp\e3242bb6979804cf133d356dd369db50_NEIKI.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:224
- - C:\Windows\SysWOW64\amcetoor.exe
    "C:\Windows\SysWOW64\amcetoor.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:3192
  - - C:\Windows\SysWOW64\amcetoor.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:4380

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\adcunub.exe

Filesize
73KB

MD5
33057ee2be34c3f1670a6785bc9cc284

SHA1
bb7b63e0066ed1941b8f08a8a6f342a338a15585

SHA256
04d6a555c63783cddc99d96212b14e5fb704f7a548c9caae08b1a54404ef386d

SHA512
ca524a118e79fc57418baa7c3d14b02384b76e3ca917137d808b897548651629b1873ec607fb37ca042292706c7a7cba2c2e23755a1b0bb2c044b161f0545cf2

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

Filesize
71KB

MD5
282ef80fda30cace6d8457d302c500e9

SHA1
8a2081a1046f00cbf841e33dfef7b912493f75c3

SHA256
d746475d3eb9f19733a79eb265e51146d216c5f0c893e04e0548bf6551ac70b4

SHA512
a9ee744d9ecd3e7e7b73bbbce303e7c4cc61dfd131e655a210e5de01ce4de41c654829889d5909081f71deda3c71dbaff574427d48d8dda425a059b02079d7c5

Download Submit
C:\Windows\SysWOW64\chinob-epur.exe

Filesize
74KB

MD5
d031c3156b1e50751dd09cd019fc8c32

SHA1
8b5c5d8859f308eb39ba590dd2ac461a5801710d

SHA256
854f7a459dd663acae9b3db1defcaaab94d2246ad9e56e3c417a2854b245dd42

SHA512
6ecc8c20f05975fd45f36ab8f429a1c37d66e20da7a7c4af40d577e42c2e642508d2d664fffe7d751316f9697d2d3929ea2ee0baf0c5f011f603f536f0b0bdde

Download Submit
C:\Windows\SysWOW64\oubdohep-eacom.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
memory/224-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3192-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4380-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download