5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141

Analysis

max time kernel
135s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16-04-2023 10:33

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General

Target

5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe
Size

277KB
MD5

e9fffccc2cd0a8e50d896f1b6d23d63a
SHA1

2d79a4724e1abf5e23669fec0fc332f78c825760
SHA256

5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141
SHA512

881c809e8ee57fbf6edd51dc584aa9fb9022ead7fc0f0ab9d9fd39fae96cd00f90b793052694769a292ba38dcab6ae339c906d437604a500a1e13d02e5eb1d35
SSDEEP

6144:QXzKdNY49u8rV2HrvPSxvfdqbCe1KZWUh01netNj:Pa4Apr3SxvAbCLh01qj

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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe

Executes dropped EXE 2 IoCs

pid	Process
4664	ITS SB App Switch.exe
3852	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/4120-134-0x0000000000490000-0x0000000000530000-memory.dmp	upx
behavioral1/memory/4120-147-0x0000000000490000-0x0000000000530000-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
4120	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe
4120	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe
4120	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe
4120	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 4664	4120	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe	84
PID 4120 wrote to memory of 4664	4120	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe	84
PID 4120 wrote to memory of 4664	4120	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe	84
PID 4120 wrote to memory of 3852	4120	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe	85
PID 4120 wrote to memory of 3852	4120	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe	85
PID 4120 wrote to memory of 3852	4120	5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe	85

C:\Users\Admin\AppData\Local\Temp\5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe
"C:\Users\Admin\AppData\Local\Temp\5db4e8bb8c94ef044e19ec3ab3a07f958b670fc7405bf839d4d43121c8dd1141.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4120
- 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:4664
- 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:3852

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/4120-134-0x0000000000490000-0x0000000000530000-memory.dmp

Filesize
640KB

Download
memory/4120-147-0x0000000000490000-0x0000000000530000-memory.dmp

Filesize
640KB

Download