4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa

Analysis

max time kernel
278s
max time network
342s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2023, 10:01

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General

Target

4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe
Size

277KB
MD5

2e38dbb3c2c898670968e1534cdd97c4
SHA1

3750d2bfead93b1309ae6f7d77d247410cd929ae
SHA256

4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa
SHA512

2e57dc898b965de32a46b31fb9cf66ba79be968fb7eab0e350bd810f0b40420a1cd622ee47e3a34bd394eb3e32ffcd396a1e2c296f4699fcf2874baf2d45aad1
SSDEEP

3072:JNXEGZJWhfNFC4S60+XoLczrVmXWEhKRuKYBEi9ZP7aPQ8ug0x3xS6HkLf/ZH01U:nXzKdNY49u8rV/+ZqMg0x3jMB01netT

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe

Executes dropped EXE 2 IoCs

pid	Process
3280	ITS SB App Switch.exe
4560	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/4616-132-0x0000000000B30000-0x0000000000BD0000-memory.dmp	upx
behavioral1/memory/4616-137-0x0000000000B30000-0x0000000000BD0000-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
4616	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe
4616	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe
4616	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe
4616	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 3280	4616	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe	80
PID 4616 wrote to memory of 3280	4616	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe	80
PID 4616 wrote to memory of 3280	4616	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe	80
PID 4616 wrote to memory of 4560	4616	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe	81
PID 4616 wrote to memory of 4560	4616	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe	81
PID 4616 wrote to memory of 4560	4616	4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe	81

C:\Users\Admin\AppData\Local\Temp\4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe
"C:\Users\Admin\AppData\Local\Temp\4f9aff28a937fd1f9580c0a57847fc90bbe88a8f27702bac828aade0f82b53fa.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4616
- 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:3280
- 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:4560

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/4616-132-0x0000000000B30000-0x0000000000BD0000-memory.dmp

Filesize
640KB

Download
memory/4616-137-0x0000000000B30000-0x0000000000BD0000-memory.dmp

Filesize
640KB

Download