4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876

Analysis

max time kernel
148s
max time network
185s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
11/02/2023, 20:28

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General

Target

4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe
Size

277KB
MD5

07888e9f7b353c91e5a81041ab4d4e4a
SHA1

507487ae2ca55a7aaa9085d3caa42592133a9767
SHA256

4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876
SHA512

d35ee8fe1c82af79696d92619832d1a713ea5bdf197284236715916d2c71d6c589bce6b53d68a02555afdd2fcdaaab6432ff951e9f3e6d04a670648b3a23dc6b
SSDEEP

3072:vNXEGZJWhfNFC4S60+XoLczrVmX8+vK3THlJkbZ+Y+x+tfnEafTmeZH01ne4PK8M:1XzKdNY49u8rVMvurkKInEafBB01netR

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe

Executes dropped EXE 2 IoCs

pid	Process
4564	ITS SB App Switch.exe
2976	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2356-132-0x0000000000590000-0x0000000000630000-memory.dmp	upx
behavioral1/memory/2356-138-0x0000000000590000-0x0000000000630000-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
2356	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe
2356	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe
2356	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe
2356	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 4564	2356	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe	80
PID 2356 wrote to memory of 4564	2356	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe	80
PID 2356 wrote to memory of 4564	2356	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe	80
PID 2356 wrote to memory of 2976	2356	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe	81
PID 2356 wrote to memory of 2976	2356	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe	81
PID 2356 wrote to memory of 2976	2356	4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe	81

C:\Users\Admin\AppData\Local\Temp\4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe
"C:\Users\Admin\AppData\Local\Temp\4398e4c1cedbada790e4ac65015d445d54572f5fe033b59f03ba642cd413d876.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2356
- 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:4564
- 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:2976

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/2356-132-0x0000000000590000-0x0000000000630000-memory.dmp

Filesize
640KB

Download
memory/2356-138-0x0000000000590000-0x0000000000630000-memory.dmp

Filesize
640KB

Download