06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2

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
27-05-2024 18:30

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General

Target

06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2.exe
Size

71KB
MD5

aa88850d6e384e9b204e1715150130c7
SHA1

5f845899d200f6de6ee0abd6b8e5266274116004
SHA256

06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2
SHA512

093621a0da62d1f07452825b6a96de13206d22b76f86afeab32dd14642c57bc981c694944bb51afc42d905aa03ed5dae26ec005641bfef935d7f723a7829d638
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8JA:Olg35GTslA5t3/w8JA

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

Executes dropped EXE 2 IoCs

pid	Process
3600	ealmuguf.exe
5096	ealmuguf.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"	ealmuguf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ealmuguf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ealmuguf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ealmuguf.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	ealmuguf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ealmuguf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ixfukeat.dll"	ealmuguf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	ealmuguf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ealmuguf.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ealmuguf.exe	06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2.exe
File opened for modification	C:\Windows\SysWOW64\ealmuguf.exe	ealmuguf.exe
File opened for modification	C:\Windows\SysWOW64\ucdirob-udum.exe	ealmuguf.exe
File created	C:\Windows\SysWOW64\ucdirob-udum.exe	ealmuguf.exe
File opened for modification	C:\Windows\SysWOW64\ixfukeat.dll	ealmuguf.exe
File created	C:\Windows\SysWOW64\ixfukeat.dll	ealmuguf.exe
File created	C:\Windows\SysWOW64\ealmuguf.exe	06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2.exe
File opened for modification	C:\Windows\SysWOW64\ouspivac-anoas.exe	ealmuguf.exe
File created	C:\Windows\SysWOW64\ouspivac-anoas.exe	ealmuguf.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
5096	ealmuguf.exe
5096	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe
3600	ealmuguf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1020	06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2.exe
Token: SeDebugPrivilege	3600	ealmuguf.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 3600	1020	06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2.exe	83
PID 1020 wrote to memory of 3600	1020	06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2.exe	83
PID 1020 wrote to memory of 3600	1020	06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2.exe	83
PID 3600 wrote to memory of 612	3600	ealmuguf.exe	5
PID 3600 wrote to memory of 5096	3600	ealmuguf.exe	84
PID 3600 wrote to memory of 5096	3600	ealmuguf.exe	84
PID 3600 wrote to memory of 5096	3600	ealmuguf.exe	84
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55
PID 3600 wrote to memory of 3436	3600	ealmuguf.exe	55

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3436
- C:\Users\Admin\AppData\Local\Temp\06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2.exe
  "C:\Users\Admin\AppData\Local\Temp\06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1020
- - C:\Windows\SysWOW64\ealmuguf.exe
    "C:\Windows\system32\ealmuguf.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:3600
  - - C:\Windows\SysWOW64\ealmuguf.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:5096

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\ealmuguf.exe

Filesize
71KB

MD5
aa88850d6e384e9b204e1715150130c7

SHA1
5f845899d200f6de6ee0abd6b8e5266274116004

SHA256
06c377e072b4b8aec2cf9244506350c6240ad7d6f5c191270696b2496dc1e2c2

SHA512
093621a0da62d1f07452825b6a96de13206d22b76f86afeab32dd14642c57bc981c694944bb51afc42d905aa03ed5dae26ec005641bfef935d7f723a7829d638

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\ouspivac-anoas.exe

Filesize
74KB

MD5
489275f0097beae2fdc70163b719d19f

SHA1
246293245877fa50122e78a7b06dd72e7ce0a048

SHA256
b23fd41cd4a65c0980326fcc19b40e5ae43f0c2c07dbcffdcebbd74ddfe32a79

SHA512
ff51bd02ba8bce74e09f798d9fa5a1dac8910433a54188e3465671ef226d9a6a10ce21955bedbfdfb4d781ac7cd1328b3ee912c70e0c2929164f0a00df1189f7

Download Submit
C:\Windows\SysWOW64\ucdirob-udum.exe

Filesize
73KB

MD5
41c8162c619179ccf129c678254a0be0

SHA1
c5dc0820b6d76a2ee9d804e9c5572d0bcdfd0c2a

SHA256
112d5ad9e6e75e432346c63db73206b388a3db69dd6e9a661ef8e8d57ce2b62f

SHA512
461354255b309f098a81200ffc7be536100d2ca2119d99b9b9b200eed7994fe1c9065dc58168145aad4de543e019a3ff5294a7afc79797eaad3a1b64c02e8061

Download Submit
memory/1020-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3600-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5096-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download