520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79

Analysis

max time kernel
142s
max time network
150s
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, 19:13

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General

Target

520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe
Size

277KB
MD5

9ccd2cc7b63b28af4de1b8e9b82cf8cd
SHA1

658f2d65c71d858f9301115de30254c69f2fc0ca
SHA256

520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79
SHA512

fb4b420ad3c9b9e1a33a8fe2411f838f5acf594a1b179a5d2c440c3205b102807f1ef2118c01f5b45ffccb8d67fde4a060d9c346207e64cafc5156091d44478e
SSDEEP

6144:mXzKdNY49u8rVecFdISEhI1pRDl8yuCQ01net9:9a4AQ80p2CQ01O

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe

Executes dropped EXE 2 IoCs

pid	Process
628	ITS SB App Switch.exe
5040	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/4808-132-0x0000000000060000-0x0000000000100000-memory.dmp	upx
behavioral1/memory/4808-137-0x0000000000060000-0x0000000000100000-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
4808	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe
4808	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe
4808	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe
4808	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 628	4808	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe	82
PID 4808 wrote to memory of 628	4808	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe	82
PID 4808 wrote to memory of 628	4808	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe	82
PID 4808 wrote to memory of 5040	4808	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe	83
PID 4808 wrote to memory of 5040	4808	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe	83
PID 4808 wrote to memory of 5040	4808	520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe	83

C:\Users\Admin\AppData\Local\Temp\520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe
"C:\Users\Admin\AppData\Local\Temp\520e061923dc032740a84b2c7d684991e753ad9fa6741b4bcd8a50da9f552f79.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4808
- 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:628
- 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:5040

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/4808-132-0x0000000000060000-0x0000000000100000-memory.dmp

Filesize
640KB

Download
memory/4808-137-0x0000000000060000-0x0000000000100000-memory.dmp

Filesize
640KB

Download