804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542

Analysis

max time kernel
108s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2023, 09:22

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General

Target

804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe
Size

5.7MB
MD5

0b58bcd32bc93b428e389f8976665749
SHA1

8e7d64a9d31d71ca9048cb1a52893ab763869153
SHA256

804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542
SHA512

fb8aadc29d76a0b03b417560b885c90767752dc7d8c3fc289bc76f14d54240c90d0779ee2ca1846cf69750085896cfa6711e4bcc5bdacab024df7b4a59255a2f
SSDEEP

98304:I0LLudgk03bPi/IIZKySE89KUXPf8L5gaXjelb4e+LfvfyW8A/:I0cg53b6/ImKRHnoKHl/2d

Score

8^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3980	WindowsPaint-Ver2.0.1.8.exe

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4936	icacls.exe
3152	icacls.exe
872	icacls.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4684	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 4684	4740	804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe	82
PID 4740 wrote to memory of 4684	4740	804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe	82
PID 4740 wrote to memory of 4936	4740	804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe	84
PID 4740 wrote to memory of 4936	4740	804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe	84
PID 4740 wrote to memory of 3152	4740	804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe	86
PID 4740 wrote to memory of 3152	4740	804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe	86
PID 4740 wrote to memory of 872	4740	804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe	88
PID 4740 wrote to memory of 872	4740	804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe	88

C:\Users\Admin\AppData\Local\Temp\804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe
"C:\Users\Admin\AppData\Local\Temp\804826c7da65f0ef6aba984fc65cd2e701f4d26ef52fedd3dcea5808c4c70542.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /CREATE /TN "Windows\IntelComputingTooIklt\IntelPaint2.0.1.8." /TR "C:\ProgramData\MsiBoostSasum\WindowsPaint-Ver2.0.1.8.exe" /SC MINUTE
  2⤵
  - Creates scheduled task(s)
  PID:4684
- C:\Windows\System32\icacls.exe
  "C:\Windows\System32\icacls.exe" "C:\ProgramData\MsiBoostSasum" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
  2⤵
  - Modifies file permissions
  PID:4936
- C:\Windows\System32\icacls.exe
  "C:\Windows\System32\icacls.exe" "C:\ProgramData\MsiBoostSasum" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
  2⤵
  - Modifies file permissions
  PID:3152
- C:\Windows\System32\icacls.exe
  "C:\Windows\System32\icacls.exe" "C:\ProgramData\MsiBoostSasum" /inheritance:e /deny "admin:(R,REA,RA,RD)"
  2⤵
  - Modifies file permissions
  PID:872

C:\ProgramData\MsiBoostSasum\WindowsPaint-Ver2.0.1.8.exe
C:\ProgramData\MsiBoostSasum\WindowsPaint-Ver2.0.1.8.exe
1⤵
- Executes dropped EXE
PID:3980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\MsiBoostSasum\WindowsPaint-Ver2.0.1.8.exe

Filesize
568.8MB

MD5
02281127a2516e07ae1e5916e2b2a415

SHA1
4e8a23ecdc6215134be708996e3b35e0facea11c

SHA256
ff7398da090885fd0e0e8c59bb2339c354a0dc2ca715aba86aa9d9a04e5bfa9f

SHA512
372c04345ecbe405dad3626b2f91cfb1be438b39a869c1a4740de22bc29a42deb1cb7eee998269fe0f5ea4c08d5b2e947908c716dad5451ed025e612e115333a

Download Submit
C:\ProgramData\MsiBoostSasum\WindowsPaint-Ver2.0.1.8.exe

Filesize
568.8MB

MD5
02281127a2516e07ae1e5916e2b2a415

SHA1
4e8a23ecdc6215134be708996e3b35e0facea11c

SHA256
ff7398da090885fd0e0e8c59bb2339c354a0dc2ca715aba86aa9d9a04e5bfa9f

SHA512
372c04345ecbe405dad3626b2f91cfb1be438b39a869c1a4740de22bc29a42deb1cb7eee998269fe0f5ea4c08d5b2e947908c716dad5451ed025e612e115333a

Download Submit
memory/3980-141-0x00007FF69ABC0000-0x00007FF69B4C3000-memory.dmp

Filesize
9.0MB

Download
memory/4740-132-0x00007FF7F9AC0000-0x00007FF7FA3C3000-memory.dmp

Filesize
9.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads