81522724d0ca28989c5dd4bd6ed52c5461ba53ddee27b569246fa59bd9af13a3

Analysis

max time kernel
41s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08-12-2022 18:46

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General

Target

document01.lnk
Size

1KB
MD5

c6f1fecaca46ba66f28625f252db236c
SHA1

9078d131c23cdb9ca4839553b1052e12e4fc55e0
SHA256

fbaa8b0ce2175c7a36192b7d4d35b359b344a37a2c2ce1460b7393f21ac8c05a
SHA512

c741047eba96ce3596b0198d81abfa17d53a2a9dce3973ef057f1cfacea537ae13e9f51be30c8ac4d0ee93914905a881a3e498b65ee1a206821a3553a6a21462

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1884	aMq7gB3fPYTY.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	cmd.exe

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

System Information Discovery
T1082

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
1344	schtasks.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1196	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1196	taskkill.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 1712	1504	cmd.exe	28
PID 1504 wrote to memory of 1712	1504	cmd.exe	28
PID 1504 wrote to memory of 1712	1504	cmd.exe	28
PID 1712 wrote to memory of 840	1712	cmd.exe	29
PID 1712 wrote to memory of 840	1712	cmd.exe	29
PID 1712 wrote to memory of 840	1712	cmd.exe	29
PID 1712 wrote to memory of 1704	1712	cmd.exe	30
PID 1712 wrote to memory of 1704	1712	cmd.exe	30
PID 1712 wrote to memory of 1704	1712	cmd.exe	30
PID 1712 wrote to memory of 1884	1712	cmd.exe	31
PID 1712 wrote to memory of 1884	1712	cmd.exe	31
PID 1712 wrote to memory of 1884	1712	cmd.exe	31
PID 1712 wrote to memory of 1344	1712	cmd.exe	32
PID 1712 wrote to memory of 1344	1712	cmd.exe	32
PID 1712 wrote to memory of 1344	1712	cmd.exe	32
PID 1712 wrote to memory of 1196	1712	cmd.exe	33
PID 1712 wrote to memory of 1196	1712	cmd.exe	33
PID 1712 wrote to memory of 1196	1712	cmd.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\document01.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c Page.bat
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1712
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K copy /y /b C:\Windows\System32\rundll32.exe C:\ProgramData\aMq7gB3fPYTY.exe
    3⤵
    PID:840
- - C:\Windows\system32\xcopy.exe
    xcopy /h /y aboutUs.dll C:\ProgramData
    3⤵
    PID:1704
- - C:\ProgramData\aMq7gB3fPYTY.exe
    C:\ProgramData\aMq7gB3fPYTY.exe C:\ProgramData\aboutUs.dll,CoReadNode
    3⤵
    - Executes dropped EXE
    PID:1884
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /create /tn "AppSelect" /f /tr "cmd.exe /c C:\programdata\aMq7gB3fPYTY.exe C:\programdata\aboutUs.dll,CoReadNode" /sc hourly /mo 1 /sd 01/01/2022 /st 00:00
    3⤵
    - Creates scheduled task(s)
    PID:1344
- - C:\Windows\system32\taskkill.exe
    taskkill /F /im cmd.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1196

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\aMq7gB3fPYTY.exe

Filesize
44KB

MD5
dd81d91ff3b0763c392422865c9ac12e

SHA1
963b55acc8c566876364716d5aafa353995812a8

SHA256
f5691b8f200e3196e6808e932630e862f8f26f31cd949981373f23c9d87db8b9

SHA512
8a5036ccab9c9e71deb4ecb9598528ca19c2d697a836846d23e1547b24172fa236a798092c7db676929abff830e40f52ce8f3b3bdd8d4c2553d7c021fceaf120

Download Submit
\ProgramData\aMq7gB3fPYTY.exe

Filesize
44KB

MD5
dd81d91ff3b0763c392422865c9ac12e

SHA1
963b55acc8c566876364716d5aafa353995812a8

SHA256
f5691b8f200e3196e6808e932630e862f8f26f31cd949981373f23c9d87db8b9

SHA512
8a5036ccab9c9e71deb4ecb9598528ca19c2d697a836846d23e1547b24172fa236a798092c7db676929abff830e40f52ce8f3b3bdd8d4c2553d7c021fceaf120

Download Submit
memory/1504-54-0x000007FEFC291000-0x000007FEFC293000-memory.dmp

Filesize
8KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads