72f70c10e2974c7dc542c82d36cbe6f455d9473cd38b040e3fdffd9732dc4785

Analysis

max time kernel
149s
max time network
137s
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 09:46

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General

Target

501e75d5d79689719552558dfa22a7c0_NEIKI.exe
Size

70KB
MD5

501e75d5d79689719552558dfa22a7c0
SHA1

66d71612dd705dae316290595bc629c43da13cfc
SHA256

72f70c10e2974c7dc542c82d36cbe6f455d9473cd38b040e3fdffd9732dc4785
SHA512

c27b39225327d1ea1f1c922e29d1c778d3cac82bdb78e4f223a81acdc3557d1d079c03083511d79e807a93c253de238547158c32dccb1c5782291dac25d440ae
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slh:Olg35GTslA5t3/w8A

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"	amnoahef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	amnoahef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	amnoahef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	amnoahef.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\{4C464B54-444a-474c-4C46-4B54444A474c}	amnoahef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4C464B54-444a-474c-4C46-4B54444A474c}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	amnoahef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4C464B54-444a-474c-4C46-4B54444A474c}\IsInstalled = "1"	amnoahef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4C464B54-444a-474c-4C46-4B54444A474c}\StubPath = "C:\\Windows\\system32\\opxookeax.exe"	amnoahef.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\actufit-idur.exe"	amnoahef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	amnoahef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	amnoahef.exe

Executes dropped EXE 2 IoCs

pid	Process
5080	amnoahef.exe
4580	amnoahef.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"	amnoahef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	amnoahef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	amnoahef.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	amnoahef.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}	amnoahef.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	amnoahef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	amnoahef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\oucfomut-egur.dll"	amnoahef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	amnoahef.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\amnoahef.exe	501e75d5d79689719552558dfa22a7c0_NEIKI.exe
File created	C:\Windows\SysWOW64\actufit-idur.exe	amnoahef.exe
File opened for modification	C:\Windows\SysWOW64\opxookeax.exe	amnoahef.exe
File created	C:\Windows\SysWOW64\opxookeax.exe	amnoahef.exe
File opened for modification	C:\Windows\SysWOW64\amnoahef.exe	amnoahef.exe
File created	C:\Windows\SysWOW64\amnoahef.exe	501e75d5d79689719552558dfa22a7c0_NEIKI.exe
File opened for modification	C:\Windows\SysWOW64\actufit-idur.exe	amnoahef.exe
File opened for modification	C:\Windows\SysWOW64\oucfomut-egur.dll	amnoahef.exe
File created	C:\Windows\SysWOW64\oucfomut-egur.dll	amnoahef.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
4580	amnoahef.exe
4580	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe
5080	amnoahef.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4648	501e75d5d79689719552558dfa22a7c0_NEIKI.exe
Token: SeDebugPrivilege	5080	amnoahef.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 5080	4648	501e75d5d79689719552558dfa22a7c0_NEIKI.exe	86
PID 4648 wrote to memory of 5080	4648	501e75d5d79689719552558dfa22a7c0_NEIKI.exe	86
PID 4648 wrote to memory of 5080	4648	501e75d5d79689719552558dfa22a7c0_NEIKI.exe	86
PID 5080 wrote to memory of 4580	5080	amnoahef.exe	87
PID 5080 wrote to memory of 4580	5080	amnoahef.exe	87
PID 5080 wrote to memory of 4580	5080	amnoahef.exe	87
PID 5080 wrote to memory of 616	5080	amnoahef.exe	5
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56
PID 5080 wrote to memory of 3544	5080	amnoahef.exe	56

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3544
- C:\Users\Admin\AppData\Local\Temp\501e75d5d79689719552558dfa22a7c0_NEIKI.exe
  "C:\Users\Admin\AppData\Local\Temp\501e75d5d79689719552558dfa22a7c0_NEIKI.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4648
- - C:\Windows\SysWOW64\amnoahef.exe
    "C:\Windows\system32\amnoahef.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:5080
  - - C:\Windows\SysWOW64\amnoahef.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:4580

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\actufit-idur.exe

Filesize
74KB

MD5
6fff97e8b1bd9d40b1b7008723e7fef0

SHA1
97704b40b2f3014af3113819c36985726f2c27f2

SHA256
b9047ba4d8bf696682082febaef00a66d16e3f11fda7d6af3515cec18319e101

SHA512
acd0ae6b4ae5ffacfe74e376ad22e950afd3919a54b6808eb5627419abd4135f85b55980c482a8a074dfaf3b2b61dcd4a90d65506fb77e9098a2f0a379d4b941

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

Filesize
70KB

MD5
501e75d5d79689719552558dfa22a7c0

SHA1
66d71612dd705dae316290595bc629c43da13cfc

SHA256
72f70c10e2974c7dc542c82d36cbe6f455d9473cd38b040e3fdffd9732dc4785

SHA512
c27b39225327d1ea1f1c922e29d1c778d3cac82bdb78e4f223a81acdc3557d1d079c03083511d79e807a93c253de238547158c32dccb1c5782291dac25d440ae

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

Filesize
73KB

MD5
c18d758e8141c42c69f893018b8dbbe5

SHA1
8a516028310f8170b28396db70551d79b16734eb

SHA256
aff3b682c4e8b5dd8d48685c736c90e4a5e5389aa7b03ff4e6764b5369857029

SHA512
d0a2883ec82eccc251cfd5f799f99d88ebd9c96e643eae79799fbe946f95fd2eb5362ab39ab817ffe8851bd57e239283f4d6c5fcbffb0683bc76a317fb0f7f7a

Download Submit
C:\Windows\SysWOW64\oucfomut-egur.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
memory/4580-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4648-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5080-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download