3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6

Analysis

max time kernel
61s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 15:27

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General

Target

3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe
Size

277KB
MD5

164ec857b7c9e641a82f36c5c5937007
SHA1

0cd367adba7b2b6ed76e68c2540a0f5b010d979a
SHA256

3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6
SHA512

3341707b29ab84ba7b767e215ad91cd939c4e28c3d3106195012188691286d3f2fb3b0815bb61a4008d153e2b5e4d7bb967924c513bfd087603bf6a85d0f8d84
SSDEEP

3072:MNXEGZJWhfNFC4S60+XoLczrVmXZ3ht6HDHlJkbZ+Y+x+tfnEafT2e0fkH01ne4o:6XzKdNY49u8rV77kKInEafx0o01netbF

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe

Executes dropped EXE 2 IoCs

pid	Process
4412	ITS SB App Switch.exe
320	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/4612-132-0x0000000000FE0000-0x0000000001080000-memory.dmp	upx
behavioral1/memory/4612-137-0x0000000000FE0000-0x0000000001080000-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
4612	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe
4612	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe
4612	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe
4612	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 4412	4612	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe	81
PID 4612 wrote to memory of 4412	4612	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe	81
PID 4612 wrote to memory of 4412	4612	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe	81
PID 4612 wrote to memory of 320	4612	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe	82
PID 4612 wrote to memory of 320	4612	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe	82
PID 4612 wrote to memory of 320	4612	3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe	82

C:\Users\Admin\AppData\Local\Temp\3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe
"C:\Users\Admin\AppData\Local\Temp\3fa351550a0608ed86d1e3ee448826f62aa060b1c05a23a517a1af9350035fd6.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4612
- 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:4412
- 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:320

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
memory/4612-132-0x0000000000FE0000-0x0000000001080000-memory.dmp

Filesize
640KB

Download
memory/4612-137-0x0000000000FE0000-0x0000000001080000-memory.dmp

Filesize
640KB

Download