f6c39cb6a9edc7c4b0ac920e0305ed436e251613502f30b1112fe47b05c64e7c

Analysis

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

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 21:50

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General

Target

3e99dae16d9b795e56e53fa005c50d60_NeikiAnalytics.exe
Size

72KB
MD5

3e99dae16d9b795e56e53fa005c50d60
SHA1

c0e55a380935faab9cfed127000737a74adb674e
SHA256

f6c39cb6a9edc7c4b0ac920e0305ed436e251613502f30b1112fe47b05c64e7c
SHA512

c9cd83fefcc5cad4475e0ce6d7aa850e56df979d872884342f7d8829fbc84f7a49e267b4605587805ce3bc6b2b089464324413890c912a4db8bb1cf8ffc378f1
SSDEEP

1536:xDXSK6TEz95p7VCYq6UrgeOXtrL6PwziIB:RCLTEz9v7QYxzvWYzX

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

Executes dropped EXE 2 IoCs

pid	Process
4916	oubrefoat.exe
3856	oubrefoat.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"	oubrefoat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	oubrefoat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	oubrefoat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	oubrefoat.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	oubrefoat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	oubrefoat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\oufcugix.dll"	oubrefoat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	oubrefoat.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	oubrefoat.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\oubrefoat.exe	3e99dae16d9b795e56e53fa005c50d60_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\exfoavooc.exe	oubrefoat.exe
File created	C:\Windows\SysWOW64\exfoavooc.exe	oubrefoat.exe
File opened for modification	C:\Windows\SysWOW64\oufcugix.dll	oubrefoat.exe
File created	C:\Windows\SysWOW64\oufcugix.dll	oubrefoat.exe
File created	C:\Windows\SysWOW64\oubrefoat.exe	3e99dae16d9b795e56e53fa005c50d60_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\outgatis-aheas.exe	oubrefoat.exe
File created	C:\Windows\SysWOW64\outgatis-aheas.exe	oubrefoat.exe
File opened for modification	C:\Windows\SysWOW64\oubrefoat.exe	oubrefoat.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
3856	oubrefoat.exe
3856	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe
4916	oubrefoat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4916	oubrefoat.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 4916	544	3e99dae16d9b795e56e53fa005c50d60_NeikiAnalytics.exe	81
PID 544 wrote to memory of 4916	544	3e99dae16d9b795e56e53fa005c50d60_NeikiAnalytics.exe	81
PID 544 wrote to memory of 4916	544	3e99dae16d9b795e56e53fa005c50d60_NeikiAnalytics.exe	81
PID 4916 wrote to memory of 612	4916	oubrefoat.exe	5
PID 4916 wrote to memory of 3856	4916	oubrefoat.exe	82
PID 4916 wrote to memory of 3856	4916	oubrefoat.exe	82
PID 4916 wrote to memory of 3856	4916	oubrefoat.exe	82
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.exe	56
PID 4916 wrote to memory of 3480	4916	oubrefoat.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\3e99dae16d9b795e56e53fa005c50d60_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\3e99dae16d9b795e56e53fa005c50d60_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:544
- - C:\Windows\SysWOW64\oubrefoat.exe
    "C:\Windows\SysWOW64\oubrefoat.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:4916
  - - C:\Windows\SysWOW64\oubrefoat.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:3856

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\exfoavooc.exe

Filesize
73KB

MD5
723f38cab4a2464a565123a667225323

SHA1
1f067fbeb4df7fd4ce08f7d2dd774bb01828a383

SHA256
299b504f419060088dbf570f4e7806ec395c6aac703bf45ed229fd1044831bcd

SHA512
397269db5acb29d7be674691aae313e08bae92103a2196a89b3960ee40bb59febf24224e8e36515e0b9598b0a10ebcc87fff1d53f937fb09b3ff1e8fbbfae689

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

Filesize
70KB

MD5
d57f7438a7f40d6b4475c29229fa8b77

SHA1
5c75e92667490845f9ef139a1b6e03f7c0bd1934

SHA256
8282a1054e724f4b02b10ba78889287633d71806e764c2851826790d6a3a05b7

SHA512
552418ad22fe20d82a6834e6a0645ab8a28b05840d9f5516206282edaf7e70d4e0519a7b336531a54c652fce978cb25c0312a371e496cfde20dc54339d42ffee

Download Submit
C:\Windows\SysWOW64\oufcugix.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\outgatis-aheas.exe

Filesize
72KB

MD5
4813146cfb57e2194b1a9b76fff2db84

SHA1
3e9e268e8af99782825a48a242132f9e40349e73

SHA256
8d08fc07acffc9444c6c8b883b336b3690e2ef1c613ba9aae03732a5178bf7f5

SHA512
354e0cd1dc1ffefb423bcef95ecebcb80eba1341b7f0ab9d4cdb569670ecc8cd7697afb8a0dd25bc53b4760551781dfdd83203543357cb46b1d9de159acfa981

Download Submit
memory/544-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3856-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4916-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download