ea25090f26e76a4d91a8d6fa325fe5068c341e7c002598ed7490caee8846d2ca

Resubmissions

02/11/2022, 02:54

221102-ddxrjahedq8

01/11/2022, 10:44

221101-ms9jbabab28

Analysis

max time kernel
43s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/11/2022, 10:44

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General

Target
documents-9771.lnk
Size 2KB
Sample221101-ms9jbabab2
SHA256 57842fe8723ed6ebdf7fc17fc341909ad05a7a4feec8bdb5e062882da29fa1a8
MD5 51e416c3d3be568864994449cd39caa1
SHA1 ee1c5e9f1257fbda3b174d534d06dddf435d3327
SHA512 020cc070c30e5cf192145056b24198846b9cc856ba001924eb95d439d521cffc5c133f7c8506724a2e53083fb5cd8343945370094ed1e1923ca3e9622526bcd8
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2024	entails.exe

Loads dropped DLL 1 IoCs

pid	Process
1076	cmd.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 1076	1132	cmd.exe	29
PID 1132 wrote to memory of 1076	1132	cmd.exe	29
PID 1132 wrote to memory of 1076	1132	cmd.exe	29
PID 1076 wrote to memory of 1792	1076	cmd.exe	31
PID 1076 wrote to memory of 1792	1076	cmd.exe	31
PID 1076 wrote to memory of 1792	1076	cmd.exe	31
PID 1076 wrote to memory of 1744	1076	cmd.exe	32
PID 1076 wrote to memory of 1744	1076	cmd.exe	32
PID 1076 wrote to memory of 1744	1076	cmd.exe	32
PID 1076 wrote to memory of 1944	1076	cmd.exe	35
PID 1076 wrote to memory of 1944	1076	cmd.exe	35
PID 1076 wrote to memory of 1944	1076	cmd.exe	35
PID 1076 wrote to memory of 1000	1076	cmd.exe	34
PID 1076 wrote to memory of 1000	1076	cmd.exe	34
PID 1076 wrote to memory of 1000	1076	cmd.exe	34
PID 1076 wrote to memory of 2024	1076	cmd.exe	33
PID 1076 wrote to memory of 2024	1076	cmd.exe	33
PID 1076 wrote to memory of 2024	1076	cmd.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\documents-9771.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\demurest.cmd" "
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1076
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo f"
    3⤵
    PID:1792
- - C:\Windows\system32\xcopy.exe
    xcopy C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\entails.exe /h /s /e
    3⤵
    PID:1744
- - C:\Users\Admin\AppData\Local\Temp\entails.exe
    C:\Users\Admin\AppData\Local\Temp\entails.exe C:\Users\Admin\AppData\Local\Temp\30874.28229,#1
    3⤵
    - Executes dropped EXE
    PID:2024
- - C:\Windows\system32\xcopy.exe
    xcopy templates544.png C:\Users\Admin\AppData\Local\Temp\30874.28229 /h /s /e
    3⤵
    PID:1000
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo f"
    3⤵
    PID:1944

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

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Downloads

entails.exe

Path C:\Users\Admin\AppData\Local\Temp\entails.exe
Size 44KB
SHA256 f5691b8f200e3196e6808e932630e862f8f26f31cd949981373f23c9d87db8b9
MD5 dd81d91ff3b0763c392422865c9ac12e
SHA1 963b55acc8c566876364716d5aafa353995812a8
SHA512 8a5036ccab9c9e71deb4ecb9598528ca19c2d697a836846d23e1547b24172fa236a798092c7db676929abff830e40f52ce8f3b3bdd8d4c2553d7c021fceaf120
SSDEEP 768:lC2UEwdMtWsxjR6l0eiJMVhbfMPURqbSEln5IyYpamDjobj8S:lkMtNoluMVdMPURqln5IUmDjoX
MD5 SHA1 SHA512 SSDEEP

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