d946830c54f897df752f09f7a6d4921b8afb56495d6f4433efa2ef34ce7f3e9c

Analysis

max time kernel
149s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 06:06

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General

Target

7c836a3baa0da0c0a97fc9d2d24f3ab0_NEAS.exe
Size

70KB
MD5

7c836a3baa0da0c0a97fc9d2d24f3ab0
SHA1

5791abfeb5d516f891a3cc6c14dcd14e6517bda8
SHA256

d946830c54f897df752f09f7a6d4921b8afb56495d6f4433efa2ef34ce7f3e9c
SHA512

57c1ac98c473ad87a501df03301f053b2fe0208b5e5cc78603f389ef8d42c31da33bcf6b5b18c47fd3f616f2b99586be44b774ff270e6cacf2c5b76b1ca8da8f
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slWT:Olg35GTslA5t3/w8rT

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"	omroavat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	omroavat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	omroavat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	omroavat.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 (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{45584E43-4c5a-4c49-4558-4E434C5A4c49}\IsInstalled = "1"	omroavat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{45584E43-4c5a-4c49-4558-4E434C5A4c49}\StubPath = "C:\\Windows\\system32\\ifleavoam-ofoot.exe"	omroavat.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{45584E43-4c5a-4c49-4558-4E434C5A4c49}	omroavat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{45584E43-4c5a-4c49-4558-4E434C5A4c49}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	omroavat.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	omroavat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	omroavat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ahdator-dac.exe"	omroavat.exe

Executes dropped EXE 2 IoCs

pid	Process
2132	omroavat.exe
5068	omroavat.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"	omroavat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	omroavat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	omroavat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	omroavat.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}	omroavat.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	omroavat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	omroavat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\orladoc-efoab.dll"	omroavat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	omroavat.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\omroavat.exe	7c836a3baa0da0c0a97fc9d2d24f3ab0_NEAS.exe
File created	C:\Windows\SysWOW64\omroavat.exe	7c836a3baa0da0c0a97fc9d2d24f3ab0_NEAS.exe
File opened for modification	C:\Windows\SysWOW64\ifleavoam-ofoot.exe	omroavat.exe
File created	C:\Windows\SysWOW64\ifleavoam-ofoot.exe	omroavat.exe
File opened for modification	C:\Windows\SysWOW64\orladoc-efoab.dll	omroavat.exe
File created	C:\Windows\SysWOW64\orladoc-efoab.dll	omroavat.exe
File opened for modification	C:\Windows\SysWOW64\omroavat.exe	omroavat.exe
File opened for modification	C:\Windows\SysWOW64\ahdator-dac.exe	omroavat.exe
File created	C:\Windows\SysWOW64\ahdator-dac.exe	omroavat.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
5068	omroavat.exe
5068	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe
2132	omroavat.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4256	7c836a3baa0da0c0a97fc9d2d24f3ab0_NEAS.exe
Token: SeDebugPrivilege	2132	omroavat.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 2132	4256	7c836a3baa0da0c0a97fc9d2d24f3ab0_NEAS.exe	85
PID 4256 wrote to memory of 2132	4256	7c836a3baa0da0c0a97fc9d2d24f3ab0_NEAS.exe	85
PID 4256 wrote to memory of 2132	4256	7c836a3baa0da0c0a97fc9d2d24f3ab0_NEAS.exe	85
PID 2132 wrote to memory of 608	2132	omroavat.exe	5
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 5068	2132	omroavat.exe	86
PID 2132 wrote to memory of 5068	2132	omroavat.exe	86
PID 2132 wrote to memory of 5068	2132	omroavat.exe	86
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57
PID 2132 wrote to memory of 3476	2132	omroavat.exe	57

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:608

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3476
- C:\Users\Admin\AppData\Local\Temp\7c836a3baa0da0c0a97fc9d2d24f3ab0_NEAS.exe
  "C:\Users\Admin\AppData\Local\Temp\7c836a3baa0da0c0a97fc9d2d24f3ab0_NEAS.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4256
- - C:\Windows\SysWOW64\omroavat.exe
    "C:\Windows\system32\omroavat.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:2132
  - - C:\Windows\SysWOW64\omroavat.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:5068

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\ahdator-dac.exe

Filesize
74KB

MD5
d52cbd9fc2b10cbc2454fa9c98972bb2

SHA1
91480e918826f728b6d004b8b2d975a2973407ec

SHA256
57aad9eb96dd6d43bba2847e1d97627306bf10922c28129e4acb6f74a82d7d3c

SHA512
1508b80b809e1ceafbb0f4a73c2cb15f58c2684ed6eb8467807211cb7b09243f132f6f2f78f97d365c94229a39d1e94e5912b312421264d3a9c2ff6af77b8818

Download Submit
C:\Windows\SysWOW64\ifleavoam-ofoot.exe

Filesize
72KB

MD5
8eb20c246868500de0d48e33d3333224

SHA1
6a2ae18cd295309139627435097ea3b852b85ba0

SHA256
e8881692b89ed52e0daf0035f66db74009950ffc679142969bee2300bfc7b746

SHA512
ff18eb4a38f5e66f4f71e173d4fe1d67f0b6a65ea5449cdce821dd780f3a9a62b7ee058d48ec4e71c621ff844c7756a4d5fd7ba505e389a0061e74fa7d66b420

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

Filesize
70KB

MD5
7c836a3baa0da0c0a97fc9d2d24f3ab0

SHA1
5791abfeb5d516f891a3cc6c14dcd14e6517bda8

SHA256
d946830c54f897df752f09f7a6d4921b8afb56495d6f4433efa2ef34ce7f3e9c

SHA512
57c1ac98c473ad87a501df03301f053b2fe0208b5e5cc78603f389ef8d42c31da33bcf6b5b18c47fd3f616f2b99586be44b774ff270e6cacf2c5b76b1ca8da8f

Download Submit
C:\Windows\SysWOW64\orladoc-efoab.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
memory/2132-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4256-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download