7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

Analysis

max time kernel
140s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 23:30

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General

Target

7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe
Size

452KB
MD5

6b2e05f5caa933b3baeb6c086fc1f91f
SHA1

450ef99d4fe7939583488f2a970eba59d6f936d3
SHA256

7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914
SHA512

640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94
SSDEEP

3072:1+kZqVeInSk82TfatZ9mD5fvNj6kECsjZ:1jaSk8iCtPmD5Hl6ysN

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1608	winlogon.exe
232	winlogon.exe
4464	winlogon.exe
4564	winlogon.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4368-134-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4368-136-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4368-137-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4368-147-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/232-153-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/232-157-0x0000000000400000-0x000000000041C000-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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4932 set thread context of 4368	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	85
PID 1608 set thread context of 232	1608	winlogon.exe	89
PID 232 set thread context of 4464	232	winlogon.exe	90
PID 232 set thread context of 4564	232	winlogon.exe	100

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1216	4464	WerFault.exe	90
3068	4564	WerFault.exe	100

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4368	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe
232	winlogon.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2256	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	84
PID 4932 wrote to memory of 2256	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	84
PID 4932 wrote to memory of 2256	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	84
PID 4932 wrote to memory of 4368	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	85
PID 4932 wrote to memory of 4368	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	85
PID 4932 wrote to memory of 4368	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	85
PID 4932 wrote to memory of 4368	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	85
PID 4932 wrote to memory of 4368	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	85
PID 4932 wrote to memory of 4368	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	85
PID 4932 wrote to memory of 4368	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	85
PID 4932 wrote to memory of 4368	4932	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	85
PID 4368 wrote to memory of 1608	4368	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	87
PID 4368 wrote to memory of 1608	4368	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	87
PID 4368 wrote to memory of 1608	4368	7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe	87
PID 1608 wrote to memory of 2892	1608	winlogon.exe	88
PID 1608 wrote to memory of 2892	1608	winlogon.exe	88
PID 1608 wrote to memory of 2892	1608	winlogon.exe	88
PID 1608 wrote to memory of 232	1608	winlogon.exe	89
PID 1608 wrote to memory of 232	1608	winlogon.exe	89
PID 1608 wrote to memory of 232	1608	winlogon.exe	89
PID 1608 wrote to memory of 232	1608	winlogon.exe	89
PID 1608 wrote to memory of 232	1608	winlogon.exe	89
PID 1608 wrote to memory of 232	1608	winlogon.exe	89
PID 1608 wrote to memory of 232	1608	winlogon.exe	89
PID 1608 wrote to memory of 232	1608	winlogon.exe	89
PID 232 wrote to memory of 4464	232	winlogon.exe	90
PID 232 wrote to memory of 4464	232	winlogon.exe	90
PID 232 wrote to memory of 4464	232	winlogon.exe	90
PID 232 wrote to memory of 4464	232	winlogon.exe	90
PID 232 wrote to memory of 4464	232	winlogon.exe	90
PID 232 wrote to memory of 4464	232	winlogon.exe	90
PID 232 wrote to memory of 4464	232	winlogon.exe	90
PID 232 wrote to memory of 4464	232	winlogon.exe	90
PID 232 wrote to memory of 4564	232	winlogon.exe	100
PID 232 wrote to memory of 4564	232	winlogon.exe	100
PID 232 wrote to memory of 4564	232	winlogon.exe	100
PID 232 wrote to memory of 4564	232	winlogon.exe	100
PID 232 wrote to memory of 4564	232	winlogon.exe	100
PID 232 wrote to memory of 4564	232	winlogon.exe	100
PID 232 wrote to memory of 4564	232	winlogon.exe	100
PID 232 wrote to memory of 4564	232	winlogon.exe	100

C:\Users\Admin\AppData\Local\Temp\7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe
"C:\Users\Admin\AppData\Local\Temp\7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\\svchost.exe
  2⤵
  PID:2256
- C:\Users\Admin\AppData\Local\Temp\7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4368
- - 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:1608
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\\svchost.exe
      4⤵
      PID:2892
  - - C:\Users\Admin\E696D64614\winlogon.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:232
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:4464
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 12
        6⤵
        Program crash
        
        PID:1216
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:4564
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 12
        6⤵
        Program crash
        
        PID:3068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4464 -ip 4464
1⤵
PID:1300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4564 -ip 4564
1⤵
PID:4636

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
452KB

MD5
6b2e05f5caa933b3baeb6c086fc1f91f

SHA1
450ef99d4fe7939583488f2a970eba59d6f936d3

SHA256
7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

SHA512
640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

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

Filesize
452KB

MD5
6b2e05f5caa933b3baeb6c086fc1f91f

SHA1
450ef99d4fe7939583488f2a970eba59d6f936d3

SHA256
7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

SHA512
640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

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

Filesize
452KB

MD5
6b2e05f5caa933b3baeb6c086fc1f91f

SHA1
450ef99d4fe7939583488f2a970eba59d6f936d3

SHA256
7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

SHA512
640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

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

Filesize
452KB

MD5
6b2e05f5caa933b3baeb6c086fc1f91f

SHA1
450ef99d4fe7939583488f2a970eba59d6f936d3

SHA256
7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

SHA512
640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

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

Filesize
452KB

MD5
6b2e05f5caa933b3baeb6c086fc1f91f

SHA1
450ef99d4fe7939583488f2a970eba59d6f936d3

SHA256
7be73725bb27497f4e920572565283d42b9d20a2bf3bee907a9d4bda02ae1914

SHA512
640b5e2efe7c68e4f732331a840039b650a63faa5a1cc3d0414934be92f49cc9bc080792137bcb8af206c0dcf8c4d1f5d2031d82907fc523bcb93c388bb5cf94

Download Submit
memory/232-153-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/232-157-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4368-137-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4368-136-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4368-147-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4368-134-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download