432e813152f849e923b8d914f09459fc40129f59b5a7d4406f1a230a2b307eff

Analysis

max time kernel
149s
max time network
123s
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 06:17

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General

Target

f39cdd0a44629f41e757d113a9c12a80_NEIKI.exe
Size

70KB
MD5

f39cdd0a44629f41e757d113a9c12a80
SHA1

995a8a36055cda4cddc371ce7f45cb28db2db92c
SHA256

432e813152f849e923b8d914f09459fc40129f59b5a7d4406f1a230a2b307eff
SHA512

e8f1ce8c9d3bd1cd509bac4e2637cd392c974ad4e766152db2a6ee4e72c65a09cfc3a75100f3ea22cde1b319e21b4b8a5c7345ecb5c9b5ca9fd20676b6f6e0d6
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slf:Olg35GTslA5t3/w82

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

Executes dropped EXE 2 IoCs

pid	Process
2728	bkicim.exe
2388	bkicim.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"	bkicim.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	bkicim.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	bkicim.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	bkicim.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}	bkicim.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	bkicim.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	bkicim.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\eggicek-eacooc.dll"	bkicim.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	bkicim.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\pmoaxeah-med.exe	bkicim.exe
File opened for modification	C:\Windows\SysWOW64\eggicek-eacooc.dll	bkicim.exe
File created	C:\Windows\SysWOW64\eggicek-eacooc.dll	bkicim.exe
File created	C:\Windows\SysWOW64\sboceam.exe	bkicim.exe
File opened for modification	C:\Windows\SysWOW64\pmoaxeah-med.exe	bkicim.exe
File opened for modification	C:\Windows\SysWOW64\sboceam.exe	bkicim.exe
File opened for modification	C:\Windows\SysWOW64\bkicim.exe	bkicim.exe
File opened for modification	C:\Windows\SysWOW64\bkicim.exe	f39cdd0a44629f41e757d113a9c12a80_NEIKI.exe
File created	C:\Windows\SysWOW64\bkicim.exe	f39cdd0a44629f41e757d113a9c12a80_NEIKI.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2388	bkicim.exe
2388	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe
2728	bkicim.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3708	f39cdd0a44629f41e757d113a9c12a80_NEIKI.exe
Token: SeDebugPrivilege	2728	bkicim.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 2728	3708	f39cdd0a44629f41e757d113a9c12a80_NEIKI.exe	83
PID 3708 wrote to memory of 2728	3708	f39cdd0a44629f41e757d113a9c12a80_NEIKI.exe	83
PID 3708 wrote to memory of 2728	3708	f39cdd0a44629f41e757d113a9c12a80_NEIKI.exe	83
PID 2728 wrote to memory of 624	2728	bkicim.exe	5
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 2388	2728	bkicim.exe	84
PID 2728 wrote to memory of 2388	2728	bkicim.exe	84
PID 2728 wrote to memory of 2388	2728	bkicim.exe	84
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56
PID 2728 wrote to memory of 3432	2728	bkicim.exe	56

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:624

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3432
- C:\Users\Admin\AppData\Local\Temp\f39cdd0a44629f41e757d113a9c12a80_NEIKI.exe
  "C:\Users\Admin\AppData\Local\Temp\f39cdd0a44629f41e757d113a9c12a80_NEIKI.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3708
- - C:\Windows\SysWOW64\bkicim.exe
    "C:\Windows\system32\bkicim.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:2728
  - - C:\Windows\SysWOW64\bkicim.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2388

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\bkicim.exe

Filesize
70KB

MD5
f39cdd0a44629f41e757d113a9c12a80

SHA1
995a8a36055cda4cddc371ce7f45cb28db2db92c

SHA256
432e813152f849e923b8d914f09459fc40129f59b5a7d4406f1a230a2b307eff

SHA512
e8f1ce8c9d3bd1cd509bac4e2637cd392c974ad4e766152db2a6ee4e72c65a09cfc3a75100f3ea22cde1b319e21b4b8a5c7345ecb5c9b5ca9fd20676b6f6e0d6

Download Submit
C:\Windows\SysWOW64\eggicek-eacooc.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\pmoaxeah-med.exe

Filesize
73KB

MD5
e1b87eabe5a902d31822f570f03dc2c7

SHA1
636c1be74efac479a9d1c6782b46f2784ed7d8fd

SHA256
47412b6caca1a5339dc432181aa57b51d283cdf17633dda071246da695d07bfc

SHA512
d5e54582b2c95ebcd038d33db46b1838719c5661071c3de254c6a747283bd55bbd64b391f6d251934b0d521b23fbb0b9e982af447f29b973b086ebdf4294c363

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

Filesize
74KB

MD5
139ea8b57f59d9fd08a569c555d54f51

SHA1
4c298f37547dc4be2d2e5833698290577906a72a

SHA256
f519bc1b30f31698824f883a0e34e924308383c62f2897a784881c4bedc47cd0

SHA512
991915b025c6b557b36a1ec5ef1790ac2e15e28299510aaa4d2f866847c8c3e9151bc4b8659b8e74e2a16d0955dc2dce41acea96db73632a21896edb53aa8eea

Download Submit
memory/2388-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2728-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3708-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download