b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60

Analysis

max time kernel
184s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2023, 17:34

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General

Target

b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe
Size

277KB
MD5

ee7da3e128544c95dcf8352da1eb30e0
SHA1

6686f6b38fc37a28277cff2db2548c6fb1ef63e5
SHA256

b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60
SHA512

31e0e04bc1d5e5421a9288720625c545003201a2482440c6e417940fa14d94a834d412c7eae5237dc52427006b06f05d44df34aab75299e89be6dda348f442d7
SSDEEP

6144:rXzKdNY49u8rVFHrvisHHN4oqXGj01netR:0a4AkrqsHt4js01+

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe

Executes dropped EXE 2 IoCs

pid	Process
5048	ITS SB App Switch.exe
5004	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/4616-135-0x0000000000680000-0x0000000000720000-memory.dmp	upx
behavioral1/memory/4616-140-0x0000000000680000-0x0000000000720000-memory.dmp	upx
behavioral1/memory/4616-141-0x0000000000680000-0x0000000000720000-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
4616	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe
4616	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe
4616	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe
4616	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 5048	4616	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe	79
PID 4616 wrote to memory of 5048	4616	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe	79
PID 4616 wrote to memory of 5048	4616	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe	79
PID 4616 wrote to memory of 5004	4616	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe	80
PID 4616 wrote to memory of 5004	4616	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe	80
PID 4616 wrote to memory of 5004	4616	b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe	80

C:\Users\Admin\AppData\Local\Temp\b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe
"C:\Users\Admin\AppData\Local\Temp\b72da9807a1e4a277a90a89f787a0d02408f977964ced2d048df646164ee8d60.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4616
- 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:5048
- 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:5004

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/4616-135-0x0000000000680000-0x0000000000720000-memory.dmp

Filesize
640KB

Download
memory/4616-140-0x0000000000680000-0x0000000000720000-memory.dmp

Filesize
640KB

Download
memory/4616-141-0x0000000000680000-0x0000000000720000-memory.dmp

Filesize
640KB

Download