25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b

Analysis

max time kernel
135s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
29-05-2023 23:50

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General

Target

25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe
Size

277KB
MD5

4dd7e4bcf5a13f9a94f064f85f31b63c
SHA1

0f71a09f4889ff7355e8d6233c3fe5605f9b63e7
SHA256

25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b
SHA512

6a143256ddc62c5067bdd0df58f30f13567fbc86014a3a10b67ebe22abf69fbc370c8aae7d50586b620b45938c76ed2484355e2d43b8f3bfb12487ea4b367939
SSDEEP

6144:PXzKdNY49u8rVZaKC6kx2/bQcF+01netd:Qa4A1+ZF+01m

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/5076-133-0x0000000000310000-0x00000000003B0000-memory.dmp	upx
behavioral1/memory/5076-143-0x0000000000310000-0x00000000003B0000-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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe

Executes dropped EXE 2 IoCs

pid	Process
4208	ITS SB App Switch.exe
4764	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
5076	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe
5076	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe
5076	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe
5076	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 4208	5076	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe	83
PID 5076 wrote to memory of 4208	5076	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe	83
PID 5076 wrote to memory of 4208	5076	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe	83
PID 5076 wrote to memory of 4764	5076	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe	84
PID 5076 wrote to memory of 4764	5076	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe	84
PID 5076 wrote to memory of 4764	5076	25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe	84

C:\Users\Admin\AppData\Local\Temp\25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe
"C:\Users\Admin\AppData\Local\Temp\25fa961fbb01d32d5c1b7fa5f72703f936e90da04a97e5200d1ac742bd5aa86b.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5076
- 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:4208
- 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:4764

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
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/5076-133-0x0000000000310000-0x00000000003B0000-memory.dmp

Filesize
640KB

Download
memory/5076-143-0x0000000000310000-0x00000000003B0000-memory.dmp

Filesize
640KB

Download