f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828

Analysis

max time kernel
105s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 07:20

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe
Size

277KB
MD5

7b05b278d106d37ace4ca590b56bd483
SHA1

f9fa3ccb5269d051716ad739430a4278aa12b0d6
SHA256

f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828
SHA512

f8c61c3481a2601963836c5976efcd378e82688fd4c29f687df2015e5a74b65afa0dab7f24ffe0e567580097cafa58a4d87f652ca920c5bb272b56053c74e260
SSDEEP

6144:oXzKdNY49u8rVR7tlr4wxYBhANj901netZ:Xa4AAt4wxgE016

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe

Executes dropped EXE 2 IoCs

pid	Process
4740	ITS SB App Switch.exe
2932	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/4280-132-0x00000000002A0000-0x0000000000340000-memory.dmp	upx
behavioral1/memory/4280-137-0x00000000002A0000-0x0000000000340000-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
4280	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe
4280	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe
4280	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe
4280	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 4740	4280	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe	80
PID 4280 wrote to memory of 4740	4280	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe	80
PID 4280 wrote to memory of 4740	4280	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe	80
PID 4280 wrote to memory of 2932	4280	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe	81
PID 4280 wrote to memory of 2932	4280	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe	81
PID 4280 wrote to memory of 2932	4280	f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe	81

C:\Users\Admin\AppData\Local\Temp\f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe
"C:\Users\Admin\AppData\Local\Temp\f551603b803707d2713950fc250d8b10a730c0acbdb3c5e75cf204c0394cb828.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4280
- 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:4740
- 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:2932

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/4280-132-0x00000000002A0000-0x0000000000340000-memory.dmp

Filesize
640KB

Download
memory/4280-137-0x00000000002A0000-0x0000000000340000-memory.dmp

Filesize
640KB

Download