1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426

Analysis

max time kernel
63s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 14:29

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General

Target

1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe
Size

277KB
MD5

3a8503a0271fbfd4de71db9542e95547
SHA1

244426b5ee9bfb2fa99d14252f412e19588e9098
SHA256

1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426
SHA512

fb76bb756fb97478b57f07dc553d15a30348f5c2b3ac620b5b0ff04e3dc3995bb3d4fe254f44fdbb3103227c4b13a3cb9cf20ff63560c33b6444a9b4da43e352
SSDEEP

6144:UXzKdNY49u8rVLaUFkkQNltmkIh01netE:7a4Au/YlXi01X

Score

7^/10

upx

Malware Config

Signatures

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	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe

Executes dropped EXE 2 IoCs

pid	Process
4848	ITS SB App Switch.exe
4900	ITS SB App Switch.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2364-132-0x0000000000730000-0x00000000007D0000-memory.dmp	upx
behavioral1/memory/2364-138-0x0000000000730000-0x00000000007D0000-memory.dmp	upx
behavioral1/memory/2364-139-0x0000000000730000-0x00000000007D0000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2364	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe
2364	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe
2364	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe
2364	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 4848	2364	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe	80
PID 2364 wrote to memory of 4848	2364	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe	80
PID 2364 wrote to memory of 4848	2364	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe	80
PID 2364 wrote to memory of 4900	2364	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe	81
PID 2364 wrote to memory of 4900	2364	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe	81
PID 2364 wrote to memory of 4900	2364	1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe	81

C:\Users\Admin\AppData\Local\Temp\1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe
"C:\Users\Admin\AppData\Local\Temp\1cc774735c5af5dc3c636b0e4d00c3d6038af3ea536d3c7fcc476882622aa426.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:4848
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:4900

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\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
memory/2364-132-0x0000000000730000-0x00000000007D0000-memory.dmp

Filesize
640KB

Download
memory/2364-138-0x0000000000730000-0x00000000007D0000-memory.dmp

Filesize
640KB

Download
memory/2364-139-0x0000000000730000-0x00000000007D0000-memory.dmp

Filesize
640KB

Download