9a01cb2803ea5af58271873a5f11c1a448cef980a44a311ad5bed6b889f85408

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 03:41

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General

Target

2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe
Size

74KB
MD5

3af91551b31f03dad588530d74aa1c80
SHA1

d90741f25744e67653e7654d1d6b0bb402299a6c
SHA256

9a01cb2803ea5af58271873a5f11c1a448cef980a44a311ad5bed6b889f85408
SHA512

3ba6e974f8fbe7028f667f3c3891d73b7afde68eafd8e7b5cf967fafb6576a0a6680ed08755c2290216798c9706f0109f0b5b58a0672ff344d8481ff5456433b
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KuY:ZVxkGOtEvwDpjcas

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012251-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2056	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2896	2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2056	2896	2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe	28
PID 2896 wrote to memory of 2056	2896	2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe	28
PID 2896 wrote to memory of 2056	2896	2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe	28
PID 2896 wrote to memory of 2056	2896	2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_3af91551b31f03dad588530d74aa1c80_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
75KB

MD5
876f67c75629228cc61e4f3adef7f277

SHA1
84177a66275205cd02d5a2a8fadc783434df6a53

SHA256
433dc30c21e63586b3f53d6425511d90d57f70f60ca42cfed238bfbfea3e0683

SHA512
c7c5258c57f2230aff5740d7714226956348050b156377f063209e7cc987ccdbf6d12ab814678a2fd15c714e84833fae3a6377b88f9a1f44d40029d3817620a2

Download Submit
memory/2056-16-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2056-19-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2056-21-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2056-25-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2896-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2896-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2896-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2896-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download