8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454

Analysis

max time kernel
135s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
19/05/2023, 04:00

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General

Target

8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe
Size

277KB
MD5

9df3cbdb3780d438b3827cf2b425a710
SHA1

f15aa269cefedd8751da42e19070868043895d5e
SHA256

8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454
SHA512

bc99c7a0309ac31fb695903b784d477bfb9749d329d3c6e9eadbfe0b9fd2e18c81cd4e349b4e57bc44c04f3fa2a1f3d0e2acbdfda16c02c75c8689729c8b543d
SSDEEP

6144:cXzKdNY49u8rVWTczJTeB6IxACs2IY01netD:Ta4A/AzU0IpLIY01A

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2344-133-0x0000000000F50000-0x0000000000FF0000-memory.dmp	upx
behavioral1/memory/2344-147-0x0000000000F50000-0x0000000000FF0000-memory.dmp	upx

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-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe

Executes dropped EXE 2 IoCs

pid	Process
1656	ITS SB App Switch.exe
4460	ITS SB App Switch.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2344	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe
2344	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe
2344	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe
2344	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 1656	2344	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe	83
PID 2344 wrote to memory of 1656	2344	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe	83
PID 2344 wrote to memory of 1656	2344	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe	83
PID 2344 wrote to memory of 4460	2344	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe	84
PID 2344 wrote to memory of 4460	2344	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe	84
PID 2344 wrote to memory of 4460	2344	8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe	84

C:\Users\Admin\AppData\Local\Temp\8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe
"C:\Users\Admin\AppData\Local\Temp\8db3cfd00534efe72fa5bd2b1ab8881a3631fd27c18ddcbf6bb360dc21703454.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2344
- 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:1656
- 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:4460

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/2344-133-0x0000000000F50000-0x0000000000FF0000-memory.dmp

Filesize
640KB

Download
memory/2344-147-0x0000000000F50000-0x0000000000FF0000-memory.dmp

Filesize
640KB

Download