555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028

Analysis

max time kernel
91s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2023, 09:45

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General

Target

555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe
Size

277KB
MD5

5515bcbe718402edd8e10589a118e436
SHA1

3b15674201bb3863093a0301650169754bea543f
SHA256

555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028
SHA512

3b6eb35fe5fb057c5793565fd145698df78f869db7767debf165819619c77c2b52089912eefeef84ddab7658adda7dd74f0ac5551203d1f1f30346a10670c4f1
SSDEEP

3072:VNXEGZJWhfNFC4S60+XoLczrVmXAzdpF8MZSelJkbZ+Y+x+tfnEafTTw0iH01new:zXzKdNY49u8rV9/VkKInEafc01netC

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe

Executes dropped EXE 2 IoCs

pid	Process
4412	ITS SB App Switch.exe
4744	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/4212-132-0x00000000002F0000-0x0000000000390000-memory.dmp	upx
behavioral1/memory/4212-138-0x00000000002F0000-0x0000000000390000-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
4212	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe
4212	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe
4212	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe
4212	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 4412	4212	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe	79
PID 4212 wrote to memory of 4412	4212	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe	79
PID 4212 wrote to memory of 4412	4212	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe	79
PID 4212 wrote to memory of 4744	4212	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe	80
PID 4212 wrote to memory of 4744	4212	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe	80
PID 4212 wrote to memory of 4744	4212	555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe	80

C:\Users\Admin\AppData\Local\Temp\555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe
"C:\Users\Admin\AppData\Local\Temp\555b570b65f27171aa2292907987ab36adaa21427de7de492d1b22295691a028.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4212
- 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:4744

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/4212-132-0x00000000002F0000-0x0000000000390000-memory.dmp

Filesize
640KB

Download
memory/4212-138-0x00000000002F0000-0x0000000000390000-memory.dmp

Filesize
640KB

Download