cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 12:55

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General

Target

cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe
Size

714KB
MD5

e0912b352fc80c40bdf45903c00cd0a4
SHA1

82e04df444b21c11e7378cfe6516d2b9e9f9c94d
SHA256

cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8
SHA512

6afbe05778e22b86544a8b628854ebb2507cc276f2a361ba155a390fab3d4e43f7dd14a74b0606610d0336a41cef4d2d7ba66c31fbd23d8559146fc32c3b56f6
SSDEEP

3072:iyf8n+BnNpiXN5U+M/hQuaCA3VMxDJAQO7LN:i/+BnNpCqP/hQuavirOH

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1872	winlogon.exe
3936	winlogon.exe
3800	winlogon.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/704-134-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/704-136-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/704-137-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/704-144-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/3936-149-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/3936-150-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/3936-153-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/3936-154-0x0000000000400000-0x000000000041C000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1376 set thread context of 704	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	80
PID 1872 set thread context of 3936	1872	winlogon.exe	86
PID 3936 set thread context of 3800	3936	winlogon.exe	87

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3608	3800	WerFault.exe	87

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
704	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe
3936	winlogon.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 4884	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	79
PID 1376 wrote to memory of 4884	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	79
PID 1376 wrote to memory of 4884	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	79
PID 1376 wrote to memory of 704	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	80
PID 1376 wrote to memory of 704	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	80
PID 1376 wrote to memory of 704	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	80
PID 1376 wrote to memory of 704	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	80
PID 1376 wrote to memory of 704	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	80
PID 1376 wrote to memory of 704	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	80
PID 1376 wrote to memory of 704	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	80
PID 1376 wrote to memory of 704	1376	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	80
PID 704 wrote to memory of 1872	704	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	84
PID 704 wrote to memory of 1872	704	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	84
PID 704 wrote to memory of 1872	704	cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe	84
PID 1872 wrote to memory of 5116	1872	winlogon.exe	85
PID 1872 wrote to memory of 5116	1872	winlogon.exe	85
PID 1872 wrote to memory of 5116	1872	winlogon.exe	85
PID 1872 wrote to memory of 3936	1872	winlogon.exe	86
PID 1872 wrote to memory of 3936	1872	winlogon.exe	86
PID 1872 wrote to memory of 3936	1872	winlogon.exe	86
PID 1872 wrote to memory of 3936	1872	winlogon.exe	86
PID 1872 wrote to memory of 3936	1872	winlogon.exe	86
PID 1872 wrote to memory of 3936	1872	winlogon.exe	86
PID 1872 wrote to memory of 3936	1872	winlogon.exe	86
PID 1872 wrote to memory of 3936	1872	winlogon.exe	86
PID 3936 wrote to memory of 3800	3936	winlogon.exe	87
PID 3936 wrote to memory of 3800	3936	winlogon.exe	87
PID 3936 wrote to memory of 3800	3936	winlogon.exe	87
PID 3936 wrote to memory of 3800	3936	winlogon.exe	87
PID 3936 wrote to memory of 3800	3936	winlogon.exe	87
PID 3936 wrote to memory of 3800	3936	winlogon.exe	87
PID 3936 wrote to memory of 3800	3936	winlogon.exe	87
PID 3936 wrote to memory of 3800	3936	winlogon.exe	87

C:\Users\Admin\AppData\Local\Temp\cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe
"C:\Users\Admin\AppData\Local\Temp\cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\\svchost.exe
  2⤵
  PID:4884
- C:\Users\Admin\AppData\Local\Temp\cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:704
- - C:\Users\Admin\E696D64614\winlogon.exe
    "C:\Users\Admin\E696D64614\winlogon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1872
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\\svchost.exe
      4⤵
      PID:5116
  - - C:\Users\Admin\E696D64614\winlogon.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3936
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:3800
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 12
        6⤵
        Program crash
        
        PID:3608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3800 -ip 3800
1⤵
PID:3452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\E696D64614\winlogon.exe

Filesize
714KB

MD5
e0912b352fc80c40bdf45903c00cd0a4

SHA1
82e04df444b21c11e7378cfe6516d2b9e9f9c94d

SHA256
cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8

SHA512
6afbe05778e22b86544a8b628854ebb2507cc276f2a361ba155a390fab3d4e43f7dd14a74b0606610d0336a41cef4d2d7ba66c31fbd23d8559146fc32c3b56f6

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
714KB

MD5
e0912b352fc80c40bdf45903c00cd0a4

SHA1
82e04df444b21c11e7378cfe6516d2b9e9f9c94d

SHA256
cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8

SHA512
6afbe05778e22b86544a8b628854ebb2507cc276f2a361ba155a390fab3d4e43f7dd14a74b0606610d0336a41cef4d2d7ba66c31fbd23d8559146fc32c3b56f6

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
714KB

MD5
e0912b352fc80c40bdf45903c00cd0a4

SHA1
82e04df444b21c11e7378cfe6516d2b9e9f9c94d

SHA256
cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8

SHA512
6afbe05778e22b86544a8b628854ebb2507cc276f2a361ba155a390fab3d4e43f7dd14a74b0606610d0336a41cef4d2d7ba66c31fbd23d8559146fc32c3b56f6

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
714KB

MD5
e0912b352fc80c40bdf45903c00cd0a4

SHA1
82e04df444b21c11e7378cfe6516d2b9e9f9c94d

SHA256
cd1e8f0773d893a1453245fa80b1a390f317aafa5feb61c290ac393950cc69b8

SHA512
6afbe05778e22b86544a8b628854ebb2507cc276f2a361ba155a390fab3d4e43f7dd14a74b0606610d0336a41cef4d2d7ba66c31fbd23d8559146fc32c3b56f6

Download Submit
memory/704-144-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/704-134-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/704-137-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/704-136-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3936-153-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3936-149-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3936-150-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3936-154-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download