425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790

Analysis

max time kernel
65s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2023, 04:45

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General

Target

425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe
Size

277KB
MD5

fafefcb4b8cd288fc6b884ab1b36d1ee
SHA1

2e18d35b78f6f77d8361110671a7923cd2af921f
SHA256

425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790
SHA512

efa71723afd5348cf0e8cecf0d1bfd3b935490b9071362237fd38927f5d3ad4a4389ad3f2bd44a4614c5370c7f69662b0119fb2976a9f10027434372ee88caa4
SSDEEP

6144:3XzKdNY49u8rVb1tZKs+YA/gkq+IyMeP5301netgI:Ia4Ay7S/gkqryMA301hI

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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe

Executes dropped EXE 2 IoCs

pid	Process
2796	ITS SB App Switch.exe
452	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/4264-134-0x0000000000BC0000-0x0000000000C60000-memory.dmp	upx
behavioral1/memory/4264-147-0x0000000000BC0000-0x0000000000C60000-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
4264	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe
4264	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe
4264	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe
4264	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 2796	4264	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe	83
PID 4264 wrote to memory of 2796	4264	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe	83
PID 4264 wrote to memory of 2796	4264	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe	83
PID 4264 wrote to memory of 452	4264	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe	84
PID 4264 wrote to memory of 452	4264	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe	84
PID 4264 wrote to memory of 452	4264	425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe	84

C:\Users\Admin\AppData\Local\Temp\425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe
"C:\Users\Admin\AppData\Local\Temp\425f35b69d8e1882e8ba59e945f935b4a9741e423b35e9aab9d182d2f3050790.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4264
- 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:2796
- 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:452

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/4264-134-0x0000000000BC0000-0x0000000000C60000-memory.dmp

Filesize
640KB

Download
memory/4264-147-0x0000000000BC0000-0x0000000000C60000-memory.dmp

Filesize
640KB

Download