8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
07/06/2024, 17:04

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General

Target
8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe
Size 266KB
Sample240607-vldgasbc91
SHA256 8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1
MD5 6ca7107c7dcc95c1afb08b8a4101db07
SHA1 6247c6c9a316c88c6fd3b2bc90693e60ecbc5d70
SHA512 658c9772820822008dde2964a8db0f32ff135290e34f468bc3415c0b06678476755a15823b0f78e25038d774825d9ba539495269dbf34f89fbd8fb9765813f68
SSDEEP 6144:xXzKdNY49u8rVDAGvWz8mvP6rDP01net:qa4AcAGvWX8P01
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe

Executes dropped EXE 2 IoCs

pid	Process
3344	ITS SB App Switch.exe
1208	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/424-0-0x0000000000CF0000-0x0000000000D90000-memory.dmp	upx
behavioral1/memory/424-14-0x0000000000CF0000-0x0000000000D90000-memory.dmp	upx

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
424	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe
424	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe
424	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe
424	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 424 wrote to memory of 3344	424	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe	81
PID 424 wrote to memory of 3344	424	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe	81
PID 424 wrote to memory of 3344	424	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe	81
PID 424 wrote to memory of 1208	424	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe	82
PID 424 wrote to memory of 1208	424	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe	82
PID 424 wrote to memory of 1208	424	8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe	82

C:\Users\Admin\AppData\Local\Temp\8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe
"C:\Users\Admin\AppData\Local\Temp\8c99d624a8fcc6f64091f664bfa6886ffdfaeb5f5b7807890e297f74c5b61ef1.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:424
- 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:3344
- 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:1208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

ITS SB App Switch.exe

Path C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
Size 87KB
SHA256 3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
MD5 368332fca74f48697d842c5f4698ae1d
SHA1 0275153a1e62bd0eca0b02168895517ed66aac56
SHA512 fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5
SSDEEP 1536:2OW3EJUzxVIAFLMo2/j3cGlHyk1UBmrNu0R9gZHesWpcdl26n9D5JL1mLPxe:034UtVIA3s3cGlHyk1UEu0R9gRlTnJ5p
MD5 SHA1 SHA512 SSDEEP

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memory/424-0-0x0000000000CF0000-0x0000000000D90000-memory.dmp

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memory/424-14-0x0000000000CF0000-0x0000000000D90000-memory.dmp

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