5ffd1c2cf286a7cc5d1914e6ccf8d8b5b5a65c5a7fc2af9af54106ca5a09918e

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
19/10/2022, 14:45

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General

Target

Originals.lnk
Size

1KB
MD5

8c074a8ba5ea426a79034dbc3e1cc482
SHA1

a0d695453a0b54c2117d08ecc38109718850e72b
SHA256

2f8c61ba1e75207223adefa39624ad0df9a1578c3d7ee713865d18c2f8dc0e1a
SHA512

55db273787c42177f9aacfe63f1f383be55ff0434c577aaf0451ac3541e5b19d73db8b00a7de2166e931af7fb8a37296b575b375793092481a4e687ac122caf8

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
360	bbc.exe

Loads dropped DLL 1 IoCs

pid	Process
1756	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 13 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1756	2028	cmd.exe	28
PID 2028 wrote to memory of 1756	2028	cmd.exe	28
PID 2028 wrote to memory of 1756	2028	cmd.exe	28
PID 1756 wrote to memory of 360	1756	cmd.exe	29
PID 1756 wrote to memory of 360	1756	cmd.exe	29
PID 1756 wrote to memory of 360	1756	cmd.exe	29
PID 360 wrote to memory of 884	360	bbc.exe	30
PID 360 wrote to memory of 884	360	bbc.exe	30
PID 360 wrote to memory of 884	360	bbc.exe	30
PID 360 wrote to memory of 884	360	bbc.exe	30
PID 360 wrote to memory of 884	360	bbc.exe	30
PID 360 wrote to memory of 884	360	bbc.exe	30
PID 360 wrote to memory of 884	360	bbc.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Originals.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c carcasses\bassoon.cmd re gs vr
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Users\Admin\AppData\Local\Temp\bbc.exe
    C:\Users\Admin\AppData\Local\Temp\bbc.exe carcasses\unextradited.des
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:360
  - - C:\Windows\SysWOW64\regsvr32.exe
      carcasses\unextradited.des
      4⤵
      PID:884

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

C:\Users\Admin\AppData\Local\Temp\bbc.exe

Filesize
19KB

MD5
59bce9f07985f8a4204f4d6554cff708

SHA1
645c424974fbe5fe7a04cac73f1c23c96e1570b8

SHA256
ca24aef558647274d019dfb4d7fd1506d84ec278795c30ba53b81bb36130dc57

SHA512
3cf5825a9c7fb80ea0bd36775a92d07f34cd3709ed2c7c8f500f1c8baa5242768f6d575bd2477b77e3f177e7a4994d5c5bddb24c6eb43b60a6bd83ea026a8198

Download Submit
\Users\Admin\AppData\Local\Temp\bbc.exe

Filesize
19KB

MD5
59bce9f07985f8a4204f4d6554cff708

SHA1
645c424974fbe5fe7a04cac73f1c23c96e1570b8

SHA256
ca24aef558647274d019dfb4d7fd1506d84ec278795c30ba53b81bb36130dc57

SHA512
3cf5825a9c7fb80ea0bd36775a92d07f34cd3709ed2c7c8f500f1c8baa5242768f6d575bd2477b77e3f177e7a4994d5c5bddb24c6eb43b60a6bd83ea026a8198

Download Submit
memory/884-97-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/884-98-0x0000000074A60000-0x0000000074AF0000-memory.dmp

Filesize
576KB

Download
memory/884-99-0x0000000074A60000-0x0000000074AF0000-memory.dmp

Filesize
576KB

Download
memory/2028-54-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

Filesize
8KB

Download