358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5

Analysis

max time kernel
110s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2023 21:44

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General

Target

358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe
Size

277KB
MD5

938636d16115763bc309e59dde9be056
SHA1

178e3fa6429cd92a79a4f75557e1d817d24a8162
SHA256

358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5
SHA512

94a7fbfd9f760673cfedcecd553c4f0336c877dd21e2f0bc26a40c49d2a132671a116e816031e7fb940ddf092a2ce1603ffde92b763d5cd18ca97093da863b02
SSDEEP

3072:TNXEGZJWhfNFC4S60+XoLczrVmXUpu2a/7QVAYdfiQrImF+lASgnv3Ih1N1th3bk:5XzKdNY49u8rVJA/ASgv3IXNPB01neti

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe

Executes dropped EXE 2 IoCs

pid	Process
4548	ITS SB App Switch.exe
3592	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/4516-133-0x00000000002D0000-0x0000000000370000-memory.dmp	upx
behavioral1/memory/4516-147-0x00000000002D0000-0x0000000000370000-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
4516	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe
4516	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe
4516	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe
4516	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 4548	4516	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe	85
PID 4516 wrote to memory of 4548	4516	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe	85
PID 4516 wrote to memory of 4548	4516	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe	85
PID 4516 wrote to memory of 3592	4516	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe	86
PID 4516 wrote to memory of 3592	4516	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe	86
PID 4516 wrote to memory of 3592	4516	358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe	86

C:\Users\Admin\AppData\Local\Temp\358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe
"C:\Users\Admin\AppData\Local\Temp\358ff1a561ecef6b7840b17bf6a0137a60cf1d60b6ea829e3178e04859f6beb5.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4516
- 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:4548
- 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:3592

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/4516-133-0x00000000002D0000-0x0000000000370000-memory.dmp

Filesize
640KB

Download
memory/4516-147-0x00000000002D0000-0x0000000000370000-memory.dmp

Filesize
640KB

Download