xmrig | 49a326ef65fb6a7f8e778fb2104aa2708e38601348ddbc04e8cbd9117af0458a

Analysis

max time kernel
91s
max time network
137s
platform
windows10_x64
resource
win10v20201028
submitted
20/11/2020, 06:12

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
ara.exe
Size 2.8MB
Sample201120-gp9dfehkha
SHA256 49a326ef65fb6a7f8e778fb2104aa2708e38601348ddbc04e8cbd9117af0458a
MD5 d0db28bb592c3a46fd59a7a558698409
SHA1 41dcb767f1cd2156a3592aabc71622a9525bdeec
SHA512 caeca675462d89e0e47c148d123c4ac504cddd78cea88788c69b806f0a57a1cada8141676dfd81446aa5e2738ca1a2df845490dd0c8749e7a7bf0d0f92b45518
MD5 SHA1 SHA512

Score

10^/10

xmrig miner

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner Payload 3 IoCs

miner

resource	yara_rule
behavioral2/files/0x000300000001ab74-4.dat	xmrig
behavioral2/memory/2808-7-0x0000000000400000-0x0000000000DDF000-memory.dmp	xmrig
behavioral2/memory/2808-10-0x0000000000400000-0x0000000000DDF000-memory.dmp	xmrig

Executes dropped EXE 2 IoCs

pid	Process
3088	time.exe
2808	System.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System.exe.lnk	ara.exe

JavaScript code in executable 1 IoCs

resource	yara_rule
behavioral2/files/0x000300000001ab74-4.dat	js

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1832	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeLockMemoryPrivilege	2808	System.exe
Token: SeLockMemoryPrivilege	2808	System.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3336 wrote to memory of 3088	3336	ara.exe	75
PID 3336 wrote to memory of 3088	3336	ara.exe	75
PID 3336 wrote to memory of 3088	3336	ara.exe	75
PID 3336 wrote to memory of 2808	3336	ara.exe	78
PID 3336 wrote to memory of 2808	3336	ara.exe	78
PID 3088 wrote to memory of 2588	3088	time.exe	80
PID 3088 wrote to memory of 2588	3088	time.exe	80
PID 2588 wrote to memory of 1832	2588	cscript.exe	81
PID 2588 wrote to memory of 1832	2588	cscript.exe	81

C:\Users\Admin\AppData\Local\Temp\ara.exe
"C:\Users\Admin\AppData\Local\Temp\ara.exe"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:3336
- C:\Users\Admin\AppData\Local\Temp\time.exe
  "C:\Users\Admin\AppData\Local\Temp\time.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3088
- - C:\Windows\System32\cscript.exe
    "C:\Windows\sysnative\cscript" C:\Users\Admin\AppData\Local\Temp\7C5A.tmp\7C5B.tmp\7C5C.vbs //Nologo
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2588
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc Daily /tn "Update" /tr "C:\Users\Admin\AppData\Local\Temp/update.exe" /st 09:40 /f
      4⤵
      Creates scheduled task(s)
      PID:1832
- C:\Users\Admin\AppData\Local\Temp\System.exe
  "C:\Users\Admin\AppData\Local\Temp\System.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2808-7-0x0000000000400000-0x0000000000DDF000-memory.dmp

Download

memory/2808-10-0x0000000000400000-0x0000000000DDF000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads