e12abacd392970ecd60e3ef32eaad5d17377b29be257ef2a2a1bd4cd2eda6176

Analysis

max time kernel
150s
max time network
29s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
31-12-2022 23:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

xmrig-6.18.1/config.json
Size

2KB
MD5

66f38c96a4901e7b345787c447842b3e
SHA1

2aa9b4d1bd2edd5d81bd9725e9318edaee67531f
SHA256

2b03943244871ca75e44513e4d20470b8f3e0f209d185395de82b447022437ec
SHA512

71757fad29d6d2a257362ed28cde9f249cc8a14e646dee666c9029ea97c72de689cdf8ed5cf0365195a6a6831fe77d82efe5e2fa555c6cc5078f1f29ae8dd68f

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1888	AcroRd32.exe
1888	AcroRd32.exe
1888	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 576	828	cmd.exe	29
PID 828 wrote to memory of 576	828	cmd.exe	29
PID 828 wrote to memory of 576	828	cmd.exe	29
PID 576 wrote to memory of 1888	576	rundll32.exe	30
PID 576 wrote to memory of 1888	576	rundll32.exe	30
PID 576 wrote to memory of 1888	576	rundll32.exe	30
PID 576 wrote to memory of 1888	576	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\xmrig-6.18.1\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:828
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\xmrig-6.18.1\config.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:576
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\xmrig-6.18.1\config.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/828-54-0x000007FEFC2E1000-0x000007FEFC2E3000-memory.dmp

Filesize
8KB

Download
memory/1888-82-0x0000000075C41000-0x0000000075C43000-memory.dmp

Filesize
8KB

Download