afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 10:13

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General

Target

afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe
Size

81KB
MD5

c5e3582d0eb9a810089dbbf3d5dcf9cb
SHA1

407a1a566d75fbc2fd2ce11df7f767a74ff9be8b
SHA256

afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4
SHA512

b6df05ab71a093b44a166feae046106fad2df51d76e1d17fe52f0f0f5268ffbfa5f77afb7b8e58660216f5752c8b3ca0b2f691fcec63c9018680bd857f597453
SSDEEP

1536:BteqGDlXvCDB04f5Gn/L8ZlALNtnd17i9wD:Olg35GTclABtnDi9wD

Score

10^/10

defense_evasion discovery evasion persistence trojan

Malware Config

Signatures

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

tmoopeg.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	tmoopeg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	tmoopeg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	tmoopeg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	tmoopeg.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

Processes:

tmoopeg.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B484254-484a-4641-4B48-4254484A4641}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	tmoopeg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B484254-484a-4641-4B48-4254484A4641}\IsInstalled = "1"	tmoopeg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B484254-484a-4641-4B48-4254484A4641}\StubPath = "C:\\Windows\\system32\\acberab.exe"	tmoopeg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B484254-484a-4641-4B48-4254484A4641}	tmoopeg.exe

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

persistence

Image File Execution Options Injection

T1546.012

Processes:

tmoopeg.exe

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

Executes dropped EXE 2 IoCs

Processes:

tmoopeg.exetmoopeg.exe

pid	Process
2676	tmoopeg.exe
2692	tmoopeg.exe

Loads dropped DLL 3 IoCs

Processes:

afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exetmoopeg.exe

pid	Process
2640	afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe
2640	afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe
2676	tmoopeg.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

tmoopeg.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	tmoopeg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	tmoopeg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	tmoopeg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	tmoopeg.exe

Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

remove IFEO.

defense_evasion

Clear Persistence

T1070.009

Processes:

tmoopeg.exe

description	ioc	Process
Delete value	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger	tmoopeg.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

tmoopeg.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	tmoopeg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	tmoopeg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	tmoopeg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\atvofeak.dll"	tmoopeg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	tmoopeg.exe

Drops file in System32 directory 9 IoCs

Processes:

afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exetmoopeg.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\tmoopeg.exe	afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe
File opened for modification	C:\Windows\SysWOW64\ouctisuc.exe	tmoopeg.exe
File opened for modification	C:\Windows\SysWOW64\acberab.exe	tmoopeg.exe
File created	C:\Windows\SysWOW64\atvofeak.dll	tmoopeg.exe
File opened for modification	C:\Windows\SysWOW64\tmoopeg.exe	tmoopeg.exe
File created	C:\Windows\SysWOW64\tmoopeg.exe	afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe
File created	C:\Windows\SysWOW64\ouctisuc.exe	tmoopeg.exe
File created	C:\Windows\SysWOW64\acberab.exe	tmoopeg.exe
File opened for modification	C:\Windows\SysWOW64\atvofeak.dll	tmoopeg.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exetmoopeg.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmoopeg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

tmoopeg.exetmoopeg.exe

pid	Process
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2692	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe
2676	tmoopeg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exetmoopeg.exe

description	pid	Process
Token: SeDebugPrivilege	2640	afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe
Token: SeDebugPrivilege	2676	tmoopeg.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exetmoopeg.exe

description	pid	Process	procid_target
PID 2640 wrote to memory of 2676	2640	afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe	30
PID 2640 wrote to memory of 2676	2640	afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe	30
PID 2640 wrote to memory of 2676	2640	afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe	30
PID 2640 wrote to memory of 2676	2640	afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe	30
PID 2676 wrote to memory of 428	2676	tmoopeg.exe	5
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 2692	2676	tmoopeg.exe	31
PID 2676 wrote to memory of 2692	2676	tmoopeg.exe	31
PID 2676 wrote to memory of 2692	2676	tmoopeg.exe	31
PID 2676 wrote to memory of 2692	2676	tmoopeg.exe	31
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21
PID 2676 wrote to memory of 1156	2676	tmoopeg.exe	21

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:428

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1156
- C:\Users\Admin\AppData\Local\Temp\afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe
  "C:\Users\Admin\AppData\Local\Temp\afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\tmoopeg.exe
    "C:\Windows\system32\tmoopeg.exe"
    3⤵
    - Windows security bypass
    - Boot or Logon Autostart Execution: Active Setup
    - Event Triggered Execution: Image File Execution Options Injection
    - Executes dropped EXE
    - Loads dropped DLL
    - Windows security modification
    - Indicator Removal: Clear Persistence
    - Modifies WinLogon
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2676
  - - C:\Windows\SysWOW64\tmoopeg.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2692

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

Indicator Removal

T1070

Clear Persistence

T1070.009

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\acberab.exe

Filesize
83KB

MD5
46c50cedaeb72390fcda306d57d3ef59

SHA1
095033c1b96f831b6e3fdc0149b5b3e790658262

SHA256
1068881104e048653741408a63009f0ba62b5b81fe10a611c7cddb40b0746a7f

SHA512
c2002ab036ae333c609983a410e5d7f8771be4e78ec1450d3a40d905f53cbb604abdf87f7505f3c73a63916f04a9cb6b7971060013c51cd182a3f7158121af0b

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
84KB

MD5
169527f7702fb2188b00f4be1095985a

SHA1
80f27e4809275e81997643deddfc4de0bcd49259

SHA256
998c36f8f7e453af0b228d9776ba003f0533296c4527fcbb0e67b6100b15122f

SHA512
60372fdbd47c6fade4dde3bfeb9b0cb27f7d429dc0175f579b4fc8b174d513b727e0d141751b500c633507acd1fb1c841025afb04cdc0fa0380a43920b5fa7d7

Download Submit
\Windows\SysWOW64\tmoopeg.exe

Filesize
81KB

MD5
c5e3582d0eb9a810089dbbf3d5dcf9cb

SHA1
407a1a566d75fbc2fd2ce11df7f767a74ff9be8b

SHA256
afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4

SHA512
b6df05ab71a093b44a166feae046106fad2df51d76e1d17fe52f0f0f5268ffbfa5f77afb7b8e58660216f5752c8b3ca0b2f691fcec63c9018680bd857f597453

Download Submit
memory/2640-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2676-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2692-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download