ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b

Analysis

max time kernel
109s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 01:09

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General

Target

ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe
Size

277KB
MD5

cb9c5bd36b56386a83c78c3ef7f06649
SHA1

9a5abdb02e7033da6885934c7e9af5f0fa16c709
SHA256

ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b
SHA512

466abc96439dd5758d1c2070c809d6b0524a1c33c03801d1d8754b23a9c2a3fedc40b1ce337bc844c15b468c26ca56bba526cd93227d477d2565b5fa75eb26e9
SSDEEP

3072:ZNXEGZJWhfNFC4S60+XoLczrVmXNV0H5E1FLL5r6jQ6yGlfa7bjeH01ne4PKFxw:3XzKdNY49u8rV0V0a1GlU601netI

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe

Executes dropped EXE 2 IoCs

pid	Process
4948	ITS SB App Switch.exe
4392	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/5004-132-0x0000000000660000-0x0000000000700000-memory.dmp	upx
behavioral1/memory/5004-138-0x0000000000660000-0x0000000000700000-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
5004	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe
5004	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe
5004	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe
5004	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 4948	5004	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe	82
PID 5004 wrote to memory of 4948	5004	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe	82
PID 5004 wrote to memory of 4948	5004	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe	82
PID 5004 wrote to memory of 4392	5004	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe	83
PID 5004 wrote to memory of 4392	5004	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe	83
PID 5004 wrote to memory of 4392	5004	ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe	83

C:\Users\Admin\AppData\Local\Temp\ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe
"C:\Users\Admin\AppData\Local\Temp\ecef2443c50a88fc1385e1bf3029c814b4951a8e7daabb9fa5eb52a67bc5e53b.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5004
- 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:4948
- 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:4392

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/5004-132-0x0000000000660000-0x0000000000700000-memory.dmp

Filesize
640KB

Download
memory/5004-138-0x0000000000660000-0x0000000000700000-memory.dmp

Filesize
640KB

Download