d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb

Analysis

max time kernel
84s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 10:28

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General

Target

d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe
Size

277KB
MD5

0de1387e6b018ec3cc7f0f41df7e8298
SHA1

dc250c92fdf189c6f2367a0eed6ecc608aad7440
SHA256

d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb
SHA512

3db7bd3f79322f2e748dad85210c2bee39e1c2526d8df1d260c7a1b85e8e7d7c86bc197644d70900fee658b6d9b2838857c36ca65da2dd2067cd186000ec49a8
SSDEEP

6144:jXzKdNY49u8rV8vegT/TRPkTMekKb01neta:ca4AtGw/tPCNk801p

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe

Executes dropped EXE 2 IoCs

pid	Process
4880	ITS SB App Switch.exe
4860	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/2204-132-0x00000000007F0000-0x0000000000890000-memory.dmp	upx
behavioral1/memory/2204-137-0x00000000007F0000-0x0000000000890000-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
2204	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe
2204	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe
2204	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe
2204	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 4880	2204	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe	82
PID 2204 wrote to memory of 4880	2204	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe	82
PID 2204 wrote to memory of 4880	2204	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe	82
PID 2204 wrote to memory of 4860	2204	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe	83
PID 2204 wrote to memory of 4860	2204	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe	83
PID 2204 wrote to memory of 4860	2204	d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe	83

C:\Users\Admin\AppData\Local\Temp\d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe
"C:\Users\Admin\AppData\Local\Temp\d81f756c570b826c87c5f34dc6af3afc0991eca4ba1848c88cd4d9c8a23d7bdb.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2204
- 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:4880
- 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:4860

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/2204-132-0x00000000007F0000-0x0000000000890000-memory.dmp

Filesize
640KB

Download
memory/2204-137-0x00000000007F0000-0x0000000000890000-memory.dmp

Filesize
640KB

Download