620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea

Analysis

max time kernel
92s
max time network
140s
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, 04:47

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General

Target

620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe
Size

277KB
MD5

40b08d5f775969e0cf37d5d2d40f2851
SHA1

39a81d57c1ce1b082e49a34e9b5b3c4d0a6c91c8
SHA256

620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea
SHA512

d0a5793c89f03e9e69ffb456eeb1830325ac02b69121cdd92b4cf7f497144fc24c9d8319e8b325f8113888fdefe9fdf0fbbb98b4569eb4944e2d122dff243537
SSDEEP

3072:INXEGZJWhfNFC4S60+XoLczrVmXqpC1jHjS+/fbC8DcGsqiHH01ne4PK8xwH:WXzKdNY49u8rVXyjLHu8DcGc01net5

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	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe

Executes dropped EXE 2 IoCs

pid	Process
1416	ITS SB App Switch.exe
332	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/428-132-0x0000000000DB0000-0x0000000000E50000-memory.dmp	upx
behavioral1/memory/428-137-0x0000000000DB0000-0x0000000000E50000-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
428	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe
428	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe
428	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe
428	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 428 wrote to memory of 1416	428	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe	81
PID 428 wrote to memory of 1416	428	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe	81
PID 428 wrote to memory of 1416	428	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe	81
PID 428 wrote to memory of 332	428	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe	82
PID 428 wrote to memory of 332	428	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe	82
PID 428 wrote to memory of 332	428	620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe	82

C:\Users\Admin\AppData\Local\Temp\620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe
"C:\Users\Admin\AppData\Local\Temp\620dfbd4a1bc64523a349f748d2092423c977fd3c3d94788e5402d773526bbea.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:428
- 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:1416
- 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:332

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/428-132-0x0000000000DB0000-0x0000000000E50000-memory.dmp

Filesize
640KB

Download
memory/428-137-0x0000000000DB0000-0x0000000000E50000-memory.dmp

Filesize
640KB

Download