8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37

Analysis

max time kernel
91s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 04:16

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General

Target

8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe
Size

277KB
MD5

015ff53311ece3b2fc89aee1e371aa36
SHA1

1f96b9a915075ca0966a0d3c0b1f3e4103ce4810
SHA256

8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37
SHA512

7d7c8e56dae0365085e23cdb27633ca477de754cb61aa3a9eb7a8f09d6ff4e6b1cf72ffac2057238757e00ade0d659627ff589e23369da147b427beef4cab721
SSDEEP

6144:fXzKdNY49u8rVqi324QmSEhI1pRDl8yuzuU01netg:ga4At4o80p2X01/

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe

Executes dropped EXE 2 IoCs

pid	Process
4696	ITS SB App Switch.exe
2872	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/4304-132-0x0000000000A30000-0x0000000000AD0000-memory.dmp	upx
behavioral1/memory/4304-138-0x0000000000A30000-0x0000000000AD0000-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
4304	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe
4304	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe
4304	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe
4304	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 4696	4304	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe	81
PID 4304 wrote to memory of 4696	4304	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe	81
PID 4304 wrote to memory of 4696	4304	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe	81
PID 4304 wrote to memory of 2872	4304	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe	82
PID 4304 wrote to memory of 2872	4304	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe	82
PID 4304 wrote to memory of 2872	4304	8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe	82

C:\Users\Admin\AppData\Local\Temp\8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe
"C:\Users\Admin\AppData\Local\Temp\8b365e91ba39b847b5f893ab935d4f4ae124b77f89c0f4db93f156441e963c37.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4304
- 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:4696
- 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:2872

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/4304-132-0x0000000000A30000-0x0000000000AD0000-memory.dmp

Filesize
640KB

Download
memory/4304-138-0x0000000000A30000-0x0000000000AD0000-memory.dmp

Filesize
640KB

Download