fafac796d16c06ffbc08579f742616032606013fe667064a1abe047f66dc1c5a

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-06-2024 04:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe
Size

72KB
MD5

8d10819958b8446d170b4826f27b47c0
SHA1

53215a5d6968639dfc3d5e3fa2e470d3ba80a74d
SHA256

fafac796d16c06ffbc08579f742616032606013fe667064a1abe047f66dc1c5a
SHA512

5ce812db708070cb084369a1cbacb7086bcce12c20a635bb4946455a608924908c827f980b11d8949cb7fcab5aad29f3892b9f8f5975705e5d5a12b1d8a2dd74
SSDEEP

1536:xp5uTRwOmEbRd3vHiIYTJWo9KxwO+N2tbZg0grsIhASwR:b5u1wOmqd3vHi8o9KiOAkg0gsIw

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"	acricud-oudur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	acricud-oudur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	acricud-oudur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	acricud-oudur.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\{554F5448-4350-4851-554F-544843504851}	acricud-oudur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	acricud-oudur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}\IsInstalled = "1"	acricud-oudur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{554F5448-4350-4851-554F-544843504851}\StubPath = "C:\\Windows\\system32\\ihbucood-afac.exe"	acricud-oudur.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	acricud-oudur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	acricud-oudur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\bdookex.exe"	acricud-oudur.exe

Executes dropped EXE 2 IoCs

pid	Process
2392	acricud-oudur.exe
2752	acricud-oudur.exe

Loads dropped DLL 3 IoCs

pid	Process
2168	8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe
2168	8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe
2392	acricud-oudur.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\UpdatesDisableNotify = "25600"	acricud-oudur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	acricud-oudur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	acricud-oudur.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	acricud-oudur.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}	acricud-oudur.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	acricud-oudur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	acricud-oudur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\efneakos.dll"	acricud-oudur.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	acricud-oudur.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\acricud-oudur.exe	8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\bdookex.exe	acricud-oudur.exe
File opened for modification	C:\Windows\SysWOW64\efneakos.dll	acricud-oudur.exe
File created	C:\Windows\SysWOW64\efneakos.dll	acricud-oudur.exe
File created	C:\Windows\SysWOW64\acricud-oudur.exe	8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\bdookex.exe	acricud-oudur.exe
File opened for modification	C:\Windows\SysWOW64\ihbucood-afac.exe	acricud-oudur.exe
File created	C:\Windows\SysWOW64\ihbucood-afac.exe	acricud-oudur.exe
File opened for modification	C:\Windows\SysWOW64\acricud-oudur.exe	acricud-oudur.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2752	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe
2392	acricud-oudur.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	acricud-oudur.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2392	2168	8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe	28
PID 2168 wrote to memory of 2392	2168	8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe	28
PID 2168 wrote to memory of 2392	2168	8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe	28
PID 2168 wrote to memory of 2392	2168	8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe	28
PID 2392 wrote to memory of 432	2392	acricud-oudur.exe	5
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 2752	2392	acricud-oudur.exe	29
PID 2392 wrote to memory of 2752	2392	acricud-oudur.exe	29
PID 2392 wrote to memory of 2752	2392	acricud-oudur.exe	29
PID 2392 wrote to memory of 2752	2392	acricud-oudur.exe	29
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21
PID 2392 wrote to memory of 1196	2392	acricud-oudur.exe	21

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\8d10819958b8446d170b4826f27b47c0_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\SysWOW64\acricud-oudur.exe
    "C:\Windows\SysWOW64\acricud-oudur.exe"
    3⤵
    - Windows security bypass
    - Modifies Installed Components in the registry
    - Sets file execution options in registry
    - Executes dropped EXE
    - Loads dropped DLL
    - Windows security modification
    - Modifies WinLogon
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2392
  - - C:\Windows\SysWOW64\acricud-oudur.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2752

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

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\bdookex.exe

Filesize
73KB

MD5
c324de55d5d0d71512dc828e89d18395

SHA1
859ec9ea9cdf702142536a62466ebd2687519ec0

SHA256
497e9f43cf72ae0d72569cdfc21cf86fa0cbf979a9d1a3f00142d13ef687aaa4

SHA512
0cded001482f086cab77ec751ca684dc9c00c0fda413a1dd06fa3abb5e752be59df0a6a49b65fd2c4cdc33139e3dcbe8d61769c011516eaf95eaab25c7a19b0d

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\ihbucood-afac.exe

Filesize
72KB

MD5
9a55b45223f20ee965efd4b5d073b53d

SHA1
c56aae2da136a186891ab8e602f0aa96a8070ef8

SHA256
35fec3e962967e006ce3df8c65ce19d750a0af3a98a84c578f069a43d0ee9b2a

SHA512
733518a94d4ae4729232ced3354125b157859f8b493f0b08a3b482ac01a95afed25706c034d792b0620310d065492666c714b33ad875586b00a126bde23323d2

Download Submit
\Windows\SysWOW64\acricud-oudur.exe

Filesize
70KB

MD5
c954637cd151ea474ab64cc75386a100

SHA1
79116d1417e7d32f8e3759e2e4aff914fcbd3c33

SHA256
e96dce715a09faf024b5572cfc73b4f2765b5e91b65f351a86049d08b29bf1f9

SHA512
c5e160cd063075b6d1d6427c07f1f5f28bf2231ccc08b33703d170b23a2b14ae02e9e64d050fff9d4e8b8ae95004ba2c06f9eb4f2af45bcf81b66c735c9201e3

Download Submit
memory/2168-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2392-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2752-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download