c4bbb6296c87218ad2dfcc134972cd4076d79d6103c8a9e52c25af5f75e0d2a7

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
15/05/2024, 14:53

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General

Target

d74b73c6dc94b417b50a0b768ea3cfc0_NeikiAnalytics.exe
Size

70KB
MD5

d74b73c6dc94b417b50a0b768ea3cfc0
SHA1

1777398efe81063554f813760a81a223ac5e94c9
SHA256

c4bbb6296c87218ad2dfcc134972cd4076d79d6103c8a9e52c25af5f75e0d2a7
SHA512

1bf3288be3ddf97fc1c3e7214843ef4c5a41b9c6254cb21993e2703a34d6a567c87764e737e5e9780eb16ebe325667e390674a5e6fa94e28085111f7257a7f8a
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slbsBQy:Olg35GTslA5t3/w8ZBQy

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

Executes dropped EXE 2 IoCs

pid	Process
3628	ourcoakak.exe
4356	ourcoakak.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"	ourcoakak.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ourcoakak.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ourcoakak.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ourcoakak.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	ourcoakak.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ourcoakak.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ivvecuv-eaceas.dll"	ourcoakak.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	ourcoakak.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ourcoakak.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ourcoakak.exe	d74b73c6dc94b417b50a0b768ea3cfc0_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\ourcoakak.exe	d74b73c6dc94b417b50a0b768ea3cfc0_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\atfaruh-oudeab.exe	ourcoakak.exe
File opened for modification	C:\Windows\SysWOW64\ivvecuv-eaceas.dll	ourcoakak.exe
File opened for modification	C:\Windows\SysWOW64\ourcoakak.exe	ourcoakak.exe
File opened for modification	C:\Windows\SysWOW64\atfaruh-oudeab.exe	ourcoakak.exe
File opened for modification	C:\Windows\SysWOW64\eatleaxib.exe	ourcoakak.exe
File created	C:\Windows\SysWOW64\eatleaxib.exe	ourcoakak.exe
File created	C:\Windows\SysWOW64\ivvecuv-eaceas.dll	ourcoakak.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
4356	ourcoakak.exe
4356	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe
3628	ourcoakak.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1196	d74b73c6dc94b417b50a0b768ea3cfc0_NeikiAnalytics.exe
Token: SeDebugPrivilege	3628	ourcoakak.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 3628	1196	d74b73c6dc94b417b50a0b768ea3cfc0_NeikiAnalytics.exe	81
PID 1196 wrote to memory of 3628	1196	d74b73c6dc94b417b50a0b768ea3cfc0_NeikiAnalytics.exe	81
PID 1196 wrote to memory of 3628	1196	d74b73c6dc94b417b50a0b768ea3cfc0_NeikiAnalytics.exe	81
PID 3628 wrote to memory of 616	3628	ourcoakak.exe	5
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 4356	3628	ourcoakak.exe	82
PID 3628 wrote to memory of 4356	3628	ourcoakak.exe	82
PID 3628 wrote to memory of 4356	3628	ourcoakak.exe	82
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56
PID 3628 wrote to memory of 3444	3628	ourcoakak.exe	56

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3444
- C:\Users\Admin\AppData\Local\Temp\d74b73c6dc94b417b50a0b768ea3cfc0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\d74b73c6dc94b417b50a0b768ea3cfc0_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1196
- - C:\Windows\SysWOW64\ourcoakak.exe
    "C:\Windows\system32\ourcoakak.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:3628
  - - C:\Windows\SysWOW64\ourcoakak.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:4356

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\atfaruh-oudeab.exe

Filesize
73KB

MD5
250a9adf74eb9cc12b4e0fb4618fb9b0

SHA1
b6f4ecdf8562ca846274d06a5c279c6806440c94

SHA256
f0eabfe71ec31f151ff201f6dfc021fb8ab1f5c722cacdac390cbfe0b14b8540

SHA512
915ad4acda68accb040c4110b2194facf350ce4a57243d76fb20dd20e7b5a4161660eef37f5ab46e0107aa0f66c39283d1e78c3b9ab43f4cf494200ee682308c

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

Filesize
72KB

MD5
e6849a87e3a77be162ae290622e4800d

SHA1
3759b67cd611a819e8616485a8cd83b77d1e6287

SHA256
57330e808d225cde41bab798e66778731ec41150c9708959cef290732d821e14

SHA512
ccb2843c14b3ffda65548b2e69659d260a781cce940bf2bd49e02839757a91aecc867a3debf4bd8298ab55af06f17bb11c63da2dd80ad09a2fd35091edc30217

Download Submit
C:\Windows\SysWOW64\ivvecuv-eaceas.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
70KB

MD5
d74b73c6dc94b417b50a0b768ea3cfc0

SHA1
1777398efe81063554f813760a81a223ac5e94c9

SHA256
c4bbb6296c87218ad2dfcc134972cd4076d79d6103c8a9e52c25af5f75e0d2a7

SHA512
1bf3288be3ddf97fc1c3e7214843ef4c5a41b9c6254cb21993e2703a34d6a567c87764e737e5e9780eb16ebe325667e390674a5e6fa94e28085111f7257a7f8a

Download Submit
memory/1196-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3628-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4356-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download