49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554

Analysis

max time kernel
136s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2023, 10:21

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General

Target

49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe
Size

277KB
MD5

38c08a70b05cc8246061f96add1fecb2
SHA1

ad8f163fe65be4787f2bfd53187824f8ca853a3b
SHA256

49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554
SHA512

ef99274a2a40a63c6951e12d6266a57616ab37be7b2299645900a91a56efe83a9942dff381d8f1d550a36df8fa347d3d8a48b2381322695d5984a167c4b9bc50
SSDEEP

3072:pNXEGZJWhfNFC4S60+XoLczrVmXe1FZk9S/koRyxZJN4oqzXGBXkH01ne4PK9xt:HXzKdNY49u8rV9rnsHHN4oqXGm01netd

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1644-133-0x0000000000350000-0x00000000003F0000-memory.dmp	upx
behavioral1/memory/1644-147-0x0000000000350000-0x00000000003F0000-memory.dmp	upx

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-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe

Executes dropped EXE 2 IoCs

pid	Process
4052	ITS SB App Switch.exe
1608	ITS SB App Switch.exe

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
1644	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe
1644	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe
1644	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe
1644	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 4052	1644	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe	84
PID 1644 wrote to memory of 4052	1644	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe	84
PID 1644 wrote to memory of 4052	1644	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe	84
PID 1644 wrote to memory of 1608	1644	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe	85
PID 1644 wrote to memory of 1608	1644	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe	85
PID 1644 wrote to memory of 1608	1644	49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe	85

C:\Users\Admin\AppData\Local\Temp\49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe
"C:\Users\Admin\AppData\Local\Temp\49755bdfb8c2843d7ab67fa6e8dedc4bb1166d0619cae6fb8c24f1b67c941554.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1644
- 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:4052
- 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:1608

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/1644-133-0x0000000000350000-0x00000000003F0000-memory.dmp

Filesize
640KB

Download
memory/1644-147-0x0000000000350000-0x00000000003F0000-memory.dmp

Filesize
640KB

Download