fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6

Analysis

max time kernel
109s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2023, 20:17

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General

Target

fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe
Size

277KB
MD5

ca2503797d09e604b66a674b406f8609
SHA1

eacfe8f8977a9dcb71883df242866a7dda4be235
SHA256

fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6
SHA512

89f484933995846e01b70c2ac95be9bf4bf72e235e5ab4ca140716d7a0824c76d84469e3a311161821aeb0078b81883f80674d40456c04ef26992cb046e41130
SSDEEP

3072:6NXEGZJWhfNFC4S60+XoLczrVmXBpC1MHjS+/fbC8DcGs1eBJH01ne4PKSxC:IXzKdNY49u8rVA5jLHu8DcGH01netT

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe

Executes dropped EXE 2 IoCs

pid	Process
2100	ITS SB App Switch.exe
2360	ITS SB App Switch.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4640-134-0x0000000000C80000-0x0000000000D20000-memory.dmp	upx
behavioral1/memory/4640-147-0x0000000000C80000-0x0000000000D20000-memory.dmp	upx
behavioral1/memory/4640-148-0x0000000000C80000-0x0000000000D20000-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
4640	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe
4640	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe
4640	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe
4640	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 2100	4640	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe	86
PID 4640 wrote to memory of 2100	4640	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe	86
PID 4640 wrote to memory of 2100	4640	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe	86
PID 4640 wrote to memory of 2360	4640	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe	87
PID 4640 wrote to memory of 2360	4640	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe	87
PID 4640 wrote to memory of 2360	4640	fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe	87

C:\Users\Admin\AppData\Local\Temp\fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe
"C:\Users\Admin\AppData\Local\Temp\fefd0407d63d375f6f64013512810319823847bd02e6ff23a570e23e067f25d6.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4640
- 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:2100
- 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:2360

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/4640-134-0x0000000000C80000-0x0000000000D20000-memory.dmp

Filesize
640KB

Download
memory/4640-147-0x0000000000C80000-0x0000000000D20000-memory.dmp

Filesize
640KB

Download
memory/4640-148-0x0000000000C80000-0x0000000000D20000-memory.dmp

Filesize
640KB

Download