81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04-06-2024 10:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe
Size

266KB
MD5

886b91a8ba27660d6f5c89b28895f321
SHA1

750c772108448014a77141739c1b75e81370090f
SHA256

81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27
SHA512

6b01b9c14b9cfa7002e613a7f1478358ffbdb55c495cb550a6ac3883ae5c0040d6683423878e39379386f6e86d0edd6283621714fa80a834ceea3b6073baf617
SSDEEP

6144:yXzKdNY49u8rVIJxaHWgBT/TRPkTMeWD901net:Ba4AdCHzN/tPCNO01

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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe

Executes dropped EXE 2 IoCs

pid	Process
4720	ITS SB App Switch.exe
3200	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/3908-0-0x0000000000450000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/3908-15-0x0000000000450000-0x00000000004F0000-memory.dmp	upx

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
3908	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe
3908	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe
3908	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe
3908	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 4720	3908	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe	83
PID 3908 wrote to memory of 4720	3908	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe	83
PID 3908 wrote to memory of 4720	3908	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe	83
PID 3908 wrote to memory of 3200	3908	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe	84
PID 3908 wrote to memory of 3200	3908	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe	84
PID 3908 wrote to memory of 3200	3908	81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe	84

C:\Users\Admin\AppData\Local\Temp\81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe
"C:\Users\Admin\AppData\Local\Temp\81ac05dc2de1f320e2b3535f0361824c0bf3c402cb3582a831e35df5a405aa27.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3908
- 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:4720
- 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:3200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
memory/3908-0-0x0000000000450000-0x00000000004F0000-memory.dmp

Filesize
640KB

Download
memory/3908-15-0x0000000000450000-0x00000000004F0000-memory.dmp

Filesize
640KB

Download