b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af

Analysis

max time kernel
85s
max time network
147s
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, 14:16

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe
Size

277KB
MD5

75652a447f5143cc77ce6c8ef9eefdb2
SHA1

10c936b6623f8400404091fc0d98d306a03c1586
SHA256

b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af
SHA512

38d4fb5df1b627a09dbdc6ebed66d7edabc95495b92973c52fa7b879a58cc3fedc9e26bf384652258a8468a8df422654bf8d329f18a25b700b2425ebc5f311a3
SSDEEP

6144:kXzKdNY49u8rVmuwlgJCKvMiqG6T001netM+:La4AJgkHT001T+

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	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe

Executes dropped EXE 2 IoCs

pid	Process
3600	ITS SB App Switch.exe
4624	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/1308-132-0x0000000000880000-0x0000000000920000-memory.dmp	upx
behavioral1/memory/1308-137-0x0000000000880000-0x0000000000920000-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
1308	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe
1308	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe
1308	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe
1308	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 3600	1308	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe	80
PID 1308 wrote to memory of 3600	1308	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe	80
PID 1308 wrote to memory of 3600	1308	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe	80
PID 1308 wrote to memory of 4624	1308	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe	81
PID 1308 wrote to memory of 4624	1308	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe	81
PID 1308 wrote to memory of 4624	1308	b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe	81

C:\Users\Admin\AppData\Local\Temp\b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe
"C:\Users\Admin\AppData\Local\Temp\b6c8e8b639ac6f2c84ff80aaa57e1d64e8efb45c85c3fe2385c6166c814d82af.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1308
- 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:3600
- 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:4624

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

Loading Replay Monitor...

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/1308-132-0x0000000000880000-0x0000000000920000-memory.dmp

Filesize
640KB

Download
memory/1308-137-0x0000000000880000-0x0000000000920000-memory.dmp

Filesize
640KB

Download