08d63b8f21fc85949c40e5a885e87d45f41a9aa3d11501a5e7f365f1fc7ea0ff

Analysis

max time kernel
119s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2024, 08:15

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General

Target

83b312e6e3dec1d2784d03ac1a2720e0N.exe
Size

67KB
MD5

83b312e6e3dec1d2784d03ac1a2720e0
SHA1

65e2c3cdb23bb42b393dba7b4cc707fb664dc3cd
SHA256

08d63b8f21fc85949c40e5a885e87d45f41a9aa3d11501a5e7f365f1fc7ea0ff
SHA512

4bbcc5d0979d88a8eb681a423b804eddaccbc48774e5c3b6012f77d475f9b5606abdbf0247a5869ae4991c0ac34992081c37b4701cced730d6f0c161c60069cc
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1RewBK:ulg35GTslA5t3pewQ

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\FirewallDisableNotify = "25600"	ghuseah.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ghuseah.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	ghuseah.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ghuseah.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{564F4359-4d4d-4757-564F-43594D4D4757}	ghuseah.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{564F4359-4d4d-4757-564F-43594D4D4757}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ghuseah.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{564F4359-4d4d-4757-564F-43594D4D4757}\IsInstalled = "1"	ghuseah.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{564F4359-4d4d-4757-564F-43594D4D4757}\StubPath = "C:\\Windows\\system32\\tkeagum-eheas.exe"	ghuseah.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 3 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\idpoaceat-omum.exe"	ghuseah.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	ghuseah.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	ghuseah.exe

Executes dropped EXE 2 IoCs

pid	Process
3960	ghuseah.exe
1880	ghuseah.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"	ghuseah.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ghuseah.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ghuseah.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ghuseah.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\eavpafeg-axeas.dll"	ghuseah.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	ghuseah.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ghuseah.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	ghuseah.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ghuseah.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\idpoaceat-omum.exe	ghuseah.exe
File created	C:\Windows\SysWOW64\idpoaceat-omum.exe	ghuseah.exe
File created	C:\Windows\SysWOW64\tkeagum-eheas.exe	ghuseah.exe
File opened for modification	C:\Windows\SysWOW64\eavpafeg-axeas.dll	ghuseah.exe
File created	C:\Windows\SysWOW64\eavpafeg-axeas.dll	ghuseah.exe
File opened for modification	C:\Windows\SysWOW64\ghuseah.exe	ghuseah.exe
File opened for modification	C:\Windows\SysWOW64\ghuseah.exe	83b312e6e3dec1d2784d03ac1a2720e0N.exe
File created	C:\Windows\SysWOW64\ghuseah.exe	83b312e6e3dec1d2784d03ac1a2720e0N.exe
File opened for modification	C:\Windows\SysWOW64\tkeagum-eheas.exe	ghuseah.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
1880	ghuseah.exe
1880	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe
3960	ghuseah.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	83b312e6e3dec1d2784d03ac1a2720e0N.exe
Token: SeDebugPrivilege	3960	ghuseah.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 3960	2416	83b312e6e3dec1d2784d03ac1a2720e0N.exe	84
PID 2416 wrote to memory of 3960	2416	83b312e6e3dec1d2784d03ac1a2720e0N.exe	84
PID 2416 wrote to memory of 3960	2416	83b312e6e3dec1d2784d03ac1a2720e0N.exe	84
PID 3960 wrote to memory of 1880	3960	ghuseah.exe	85
PID 3960 wrote to memory of 1880	3960	ghuseah.exe	85
PID 3960 wrote to memory of 1880	3960	ghuseah.exe	85

C:\Users\Admin\AppData\Local\Temp\83b312e6e3dec1d2784d03ac1a2720e0N.exe
"C:\Users\Admin\AppData\Local\Temp\83b312e6e3dec1d2784d03ac1a2720e0N.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\ghuseah.exe
  "C:\Windows\system32\ghuseah.exe"
  2⤵
  - Windows security bypass
  - Boot or Logon Autostart Execution: Active Setup
  - Event Triggered Execution: Image File Execution Options Injection
  - 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:3960
- - C:\Windows\SysWOW64\ghuseah.exe
    ùù¿çç¤
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:1880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

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\eavpafeg-axeas.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
67KB

MD5
83b312e6e3dec1d2784d03ac1a2720e0

SHA1
65e2c3cdb23bb42b393dba7b4cc707fb664dc3cd

SHA256
08d63b8f21fc85949c40e5a885e87d45f41a9aa3d11501a5e7f365f1fc7ea0ff

SHA512
4bbcc5d0979d88a8eb681a423b804eddaccbc48774e5c3b6012f77d475f9b5606abdbf0247a5869ae4991c0ac34992081c37b4701cced730d6f0c161c60069cc

Download Submit
C:\Windows\SysWOW64\idpoaceat-omum.exe

Filesize
70KB

MD5
37b31dfce6e04c156040f7d64e7cf0db

SHA1
815743104904102b150e32eaa94282d8da67234b

SHA256
5e6651ba4f333fd58d065d30c3ec5a4a7dbb7c5a839fb4c0de9d58d8af4cbd75

SHA512
46b6b02b4c831345944839942fecae6e9ae3f0f765886e9b2a5d6250ae8aeffed1812f552c006754b583163ca2314db4c3775b8a8c6b480e678809ed4b1a024b

Download Submit
C:\Windows\SysWOW64\tkeagum-eheas.exe

Filesize
69KB

MD5
702c7526a84bbbab5545bb9b84b6faa6

SHA1
e36c0f1c28f24eb5a96202c9358c51763f32b02b

SHA256
931410561a798b0bbad8c9a7ce9839b1f09bd6d148d93e51ec3e614ef61d5c67

SHA512
9a2b848d319b9bf87aeb9e469b6973a9d263a71fab31d71fad013a1ff3abfa7f23461e709871b9c1e5e3fc3aed8df3ce2d979888e45aa27be314704603c0dc8b

Download Submit
memory/1880-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2416-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3960-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download