37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce

Analysis

max time kernel
148s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11-02-2023 19:40

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General

Target

37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe
Size

277KB
MD5

ad8ff397f694c51fec8900f894e65c5c
SHA1

166cbacfabf3ea5b788054f08633711d05dead36
SHA256

37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce
SHA512

f700ae975cbce6e82ff7f0b223a7014b56b85c0a10593a4d64257f5d2d0e60f7342647dbdaa9f5e54590dda64be17c3b616016cb42889e3f71ca89b1ed67c1d6
SSDEEP

3072:JNXEGZJWhfNFC4S60+XoLczrVmX9xAA8Ueqs0BVH0XNn2qcyFbH01ne4PKIx9:nXzKdNY49u8rVcjBSXNn2qNZ01netW

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	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe

Executes dropped EXE 2 IoCs

pid	Process
4412	ITS SB App Switch.exe
1380	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/3044-132-0x0000000000410000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/3044-138-0x0000000000410000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/3044-139-0x0000000000410000-0x00000000004B0000-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
3044	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe
3044	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe
3044	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe
3044	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 4412	3044	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe	80
PID 3044 wrote to memory of 4412	3044	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe	80
PID 3044 wrote to memory of 4412	3044	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe	80
PID 3044 wrote to memory of 1380	3044	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe	81
PID 3044 wrote to memory of 1380	3044	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe	81
PID 3044 wrote to memory of 1380	3044	37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe	81

C:\Users\Admin\AppData\Local\Temp\37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe
"C:\Users\Admin\AppData\Local\Temp\37fe2d1cc059a43299544ced2b46a5d60df4934b0ac4e92b180d5980fbdd7bce.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3044
- 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:1380

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/3044-132-0x0000000000410000-0x00000000004B0000-memory.dmp

Filesize
640KB

Download
memory/3044-138-0x0000000000410000-0x00000000004B0000-memory.dmp

Filesize
640KB

Download
memory/3044-139-0x0000000000410000-0x00000000004B0000-memory.dmp

Filesize
640KB

Download