4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3

Analysis

max time kernel
76s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
20/03/2023, 07:52

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General

Target

4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe
Size

277KB
MD5

bcbed9d398828caf156671fd669cf0dc
SHA1

69c58533623b3d5ed9b7c94d7052565c0545296d
SHA256

4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3
SHA512

4c27d13225776cca5ddd3d4a52dfd669532bd34b14addc0d5b408289b3ed84d80f3510c627f378b701024d68d8448e6b1e8de745e49ce4ecf9e4fc6cdbc48e2f
SSDEEP

6144:TXzKdNY49u8rVt1tZKiqMg0x3jo01netar:Ma4AGu0C01P

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	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe

Executes dropped EXE 2 IoCs

pid	Process
3784	ITS SB App Switch.exe
3536	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/1312-134-0x0000000000F20000-0x0000000000FC0000-memory.dmp	upx
behavioral1/memory/1312-147-0x0000000000F20000-0x0000000000FC0000-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
1312	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe
1312	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe
1312	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe
1312	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 3784	1312	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe	84
PID 1312 wrote to memory of 3784	1312	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe	84
PID 1312 wrote to memory of 3784	1312	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe	84
PID 1312 wrote to memory of 3536	1312	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe	85
PID 1312 wrote to memory of 3536	1312	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe	85
PID 1312 wrote to memory of 3536	1312	4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe	85

C:\Users\Admin\AppData\Local\Temp\4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe
"C:\Users\Admin\AppData\Local\Temp\4f6b1a3bb48574d37499f43ef6b2cdb4d259dcc366ed5c3e567fe1e9be09dca3.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1312
- 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:3784
- 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:3536

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/1312-134-0x0000000000F20000-0x0000000000FC0000-memory.dmp

Filesize
640KB

Download
memory/1312-147-0x0000000000F20000-0x0000000000FC0000-memory.dmp

Filesize
640KB

Download