fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3

Analysis

max time kernel
91s
max time network
153s
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, 23:54

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General

Target

fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe
Size

277KB
MD5

c09adcb82ef514ebe9f47882defad6f5
SHA1

1891fc6d07c93d7c9a0203d22cc5a8dc2666e59e
SHA256

fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3
SHA512

50dce5f00ba5741b9e9745bfe60ae2598b1a436fb74c81d06f88690c9b8f24c3755b27a5e7d6f20176ea4ae20262dfdb9b4156727cc594d3e17d7a1c0e822813
SSDEEP

6144:7XzKdNY49u8rV3v7/sHHN4oqXGC01netM:Ea4A4DsHt4j3013

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	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe

Executes dropped EXE 2 IoCs

pid	Process
4676	ITS SB App Switch.exe
4708	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/4528-132-0x0000000000790000-0x0000000000830000-memory.dmp	upx
behavioral1/memory/4528-138-0x0000000000790000-0x0000000000830000-memory.dmp	upx
behavioral1/memory/4528-139-0x0000000000790000-0x0000000000830000-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
4528	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe
4528	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe
4528	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe
4528	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 4676	4528	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe	79
PID 4528 wrote to memory of 4676	4528	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe	79
PID 4528 wrote to memory of 4676	4528	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe	79
PID 4528 wrote to memory of 4708	4528	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe	80
PID 4528 wrote to memory of 4708	4528	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe	80
PID 4528 wrote to memory of 4708	4528	fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe	80

C:\Users\Admin\AppData\Local\Temp\fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe
"C:\Users\Admin\AppData\Local\Temp\fb303d157f318501dbcc71027793b452538e4da94d6fde0bfbe4dd036e8167d3.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4528
- 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:4676
- 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:4708

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/4528-132-0x0000000000790000-0x0000000000830000-memory.dmp

Filesize
640KB

Download
memory/4528-138-0x0000000000790000-0x0000000000830000-memory.dmp

Filesize
640KB

Download
memory/4528-139-0x0000000000790000-0x0000000000830000-memory.dmp

Filesize
640KB

Download