f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9

Analysis

max time kernel
143s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2023, 01:30

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General

Target

f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe
Size

277KB
MD5

9b33f6386ea3b85c8e62ef553d7b78a8
SHA1

59cc384f39157c837a063ce180ac92b8346ddcc3
SHA256

f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9
SHA512

2d25bde1e334043a581e45a7f036286e13fc4989479fc69ac8dd76d602ae8c25ad3ea872e9a4658248cca3101675bc527cfd4090144d085aadeef5cb4b81f0eb
SSDEEP

3072:7NXEGZJWhfNFC4S60+XoLczrVmXfvoLosItFjCf5LYbetfx1oigW4FLIH01ne4P/:BXzKdNY49u8rVR40Ffx1oiQI01net2J

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-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe

Executes dropped EXE 2 IoCs

pid	Process
212	ITS SB App Switch.exe
5016	ITS SB App Switch.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1972-133-0x0000000000550000-0x00000000005F0000-memory.dmp	upx
behavioral1/memory/1972-143-0x0000000000550000-0x00000000005F0000-memory.dmp	upx
behavioral1/memory/1972-144-0x0000000000550000-0x00000000005F0000-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
1972	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe
1972	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe
1972	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe
1972	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 212	1972	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe	85
PID 1972 wrote to memory of 212	1972	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe	85
PID 1972 wrote to memory of 212	1972	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe	85
PID 1972 wrote to memory of 5016	1972	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe	86
PID 1972 wrote to memory of 5016	1972	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe	86
PID 1972 wrote to memory of 5016	1972	f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe	86

C:\Users\Admin\AppData\Local\Temp\f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe
"C:\Users\Admin\AppData\Local\Temp\f4b9ec795c1afbf1ba751e6e387e92c904acc511a1cf6751373d49e8e706bed9.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1972
- 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:212
- 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:5016

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/1972-133-0x0000000000550000-0x00000000005F0000-memory.dmp

Filesize
640KB

Download
memory/1972-143-0x0000000000550000-0x00000000005F0000-memory.dmp

Filesize
640KB

Download
memory/1972-144-0x0000000000550000-0x00000000005F0000-memory.dmp

Filesize
640KB

Download