09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a

Analysis

max time kernel
155s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 15:17

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General

Target

09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe
Size

535KB
MD5

6cfc2c513d965e191ee0f6cc5380f633
SHA1

ffce1a122092a81970ddd657ead6b40fe1af5f89
SHA256

09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a
SHA512

4a7f50ba6ebb89a5f8990c262a1a3028747900ec4edf120c54b49f90a729b57051c4f451f2e2d6edd39642fb443f0d9dae950245acd5df85b1d8b36c43859032
SSDEEP

6144:/MSGDR10FgQV7sssO8hGDJkhpe1pq5yLheAn+KiNgiJlRfcln/kK/4ZP7xYh:a0n7ss66wpyKyL93+Jaln/kK/49lm

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1996-137-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/1996-139-0x0000000000400000-0x0000000000489000-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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\SSS = "C:\\Users\\Admin\\AppData\\Local\\Temp\\09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe /cs:1 "	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SSS = "\"C:\\9f9749\\SS9f9_2363.exe\" /s"	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1063

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Eset\Nod\	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4508 set thread context of 1996	4508	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
4884	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 1996	4508	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	85
PID 4508 wrote to memory of 1996	4508	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	85
PID 4508 wrote to memory of 1996	4508	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	85
PID 4508 wrote to memory of 1996	4508	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	85
PID 4508 wrote to memory of 1996	4508	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	85
PID 1996 wrote to memory of 4884	1996	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	86
PID 1996 wrote to memory of 4884	1996	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	86
PID 1996 wrote to memory of 4884	1996	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	86

C:\Users\Admin\AppData\Local\Temp\09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe
"C:\Users\Admin\AppData\Local\Temp\09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Users\Admin\AppData\Local\Temp\09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe
  "C:\Users\Admin\AppData\Local\Temp\09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe" "C:\Users\Admin\AppData\Local\Temp\09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4884

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Security Software Discovery

T1063

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1996-133-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/1996-135-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/1996-137-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/1996-139-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/1996-140-0x0000000000650000-0x00000000006DD000-memory.dmp

Filesize
564KB

Download
memory/1996-141-0x0000000000650000-0x00000000006DD000-memory.dmp

Filesize
564KB

Download