09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a

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
behavioral1/memory/840-62-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/840-64-0x0000000000400000-0x0000000000489000-memory.dmp	upx

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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\SSS = "\"C:\\ProgramData\\ed120e\\SSed1_2363.exe\" /s"	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\SSS = "C:\\Users\\Admin\\AppData\\Local\\Temp\\09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe /cs:1 "	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 1356 set thread context of 840	1356	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	27

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
1540	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1540	taskkill.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 840	1356	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	27
PID 1356 wrote to memory of 840	1356	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	27
PID 1356 wrote to memory of 840	1356	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	27
PID 1356 wrote to memory of 840	1356	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	27
PID 1356 wrote to memory of 840	1356	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	27
PID 1356 wrote to memory of 840	1356	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	27
PID 840 wrote to memory of 1540	840	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	28
PID 840 wrote to memory of 1540	840	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	28
PID 840 wrote to memory of 1540	840	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	28
PID 840 wrote to memory of 1540	840	09099d9690d6e1fd353716175c33fc8840e71403928e4f59e1525b6c2bcfaf1a.exe	28

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:1356
- 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⤵
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  - Suspicious use of WriteProcessMemory
  PID:840
- - 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:1540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Security Software Discovery

1

T1063

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/840-54-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/840-56-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/840-59-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/840-60-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/840-62-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/840-64-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/840-65-0x0000000000270000-0x0000000000273000-memory.dmp

Filesize
12KB

Download
memory/840-66-0x0000000000270000-0x0000000000273000-memory.dmp

Filesize
12KB

Download

Analysis

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