90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56

Analysis

max time kernel
181s
max time network
106s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 05:29

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General

Target

90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe
Size

82KB
MD5

58c27bd99bdbf14ddfbe9ede173e01ad
SHA1

6146e72db55f105a8fc0bba9cac1c17f9613419d
SHA256

90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56
SHA512

26ba9fecb3e4791a964087a7823c1bb0ff6c9c5797b91b1d295419bcb7645695f6aa86c9c7636ccbbf57e1ec1d70e5482ecbc414ffa18ebdd43463b8803dfcf2
SSDEEP

768:DL2EInkeC3sb/swTaYQ3knkMdNk77x0QSJ0oTHSPcO/QXa1gLa1r:eEuke33a10nkMd67y9HSPcoKRLap

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\msconfig.dat"	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
900	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe
1276	explorer.exe
1204	Explorer.EXE
1064	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 948 set thread context of 900	948	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	28

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
900	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe
900	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe
1064	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
900	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe
900	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1204	Explorer.EXE

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
696	ctfmon.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1064	svchost.exe
1064	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 900	948	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	28
PID 948 wrote to memory of 900	948	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	28
PID 948 wrote to memory of 900	948	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	28
PID 948 wrote to memory of 900	948	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	28
PID 948 wrote to memory of 900	948	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	28
PID 948 wrote to memory of 900	948	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	28
PID 948 wrote to memory of 900	948	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	28
PID 948 wrote to memory of 900	948	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	28
PID 948 wrote to memory of 900	948	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	28
PID 900 wrote to memory of 1276	900	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	29
PID 900 wrote to memory of 1276	900	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	29
PID 900 wrote to memory of 1276	900	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	29
PID 900 wrote to memory of 1276	900	90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe	29
PID 1276 wrote to memory of 1204	1276	explorer.exe	18
PID 1204 wrote to memory of 1064	1204	Explorer.EXE	30
PID 1204 wrote to memory of 1064	1204	Explorer.EXE	30
PID 1204 wrote to memory of 1064	1204	Explorer.EXE	30
PID 1204 wrote to memory of 1064	1204	Explorer.EXE	30
PID 1204 wrote to memory of 1064	1204	Explorer.EXE	30
PID 1064 wrote to memory of 696	1064	svchost.exe	31
PID 1064 wrote to memory of 696	1064	svchost.exe	31
PID 1064 wrote to memory of 696	1064	svchost.exe	31
PID 1064 wrote to memory of 696	1064	svchost.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe
  "C:\Users\Admin\AppData\Local\Temp\90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:948
- - C:\Users\Admin\AppData\Local\Temp\90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe
    "C:\Users\Admin\AppData\Local\Temp\90b1526d675c417640d1a5313aee6957d1a2a2f3ddb7a7bbc276330007bfdb56.exe"
    3⤵
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:900
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious use of WriteProcessMemory
      PID:1276
- C:\Windows\syswow64\svchost.exe
  "C:\Windows\syswow64\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1064
- - C:\Windows\SysWOW64\ctfmon.exe
    ctfmon.exe
    3⤵
    - Suspicious use of FindShellTrayWindow
    PID:696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/900-67-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/900-57-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/900-59-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/900-60-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/900-56-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/900-64-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/900-55-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/900-65-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/948-63-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/948-54-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1064-75-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/1064-74-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1204-71-0x00000000025B0000-0x00000000025B9000-memory.dmp

Filesize
36KB

Download
memory/1204-68-0x00000000025B0000-0x00000000025B9000-memory.dmp

Filesize
36KB

Download
memory/1276-70-0x0000000000030000-0x0000000000040000-memory.dmp

Filesize
64KB

Download
memory/1276-69-0x00000000FF290000-0x00000000FF550000-memory.dmp

Filesize
2.8MB

Download