43869431b7e4f30708c2824486d7208416ad95d7f73194dd0485c43b3bd78990

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
14/06/2024, 07:53

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General

Target

2024-06-14_9fa5d693e7c6230ac9d9c69616c9ec95_cryptolocker.exe
Size

42KB
MD5

9fa5d693e7c6230ac9d9c69616c9ec95
SHA1

4292b6f04ea1a5c21eb5d89644474c8ad5d483c3
SHA256

43869431b7e4f30708c2824486d7208416ad95d7f73194dd0485c43b3bd78990
SHA512

93b92761e6bb06a643c5e9dbde272a038b1e695bbf5a616b6c06b056f78dfd7296601ddc1b733ec6d63264eb65143808d1271c5365c466f98908222de6423540
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDb7xfy:ZzFbxmLPWQMOtEvwDpjLeJAsKcb7Zy

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000500000000b309-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2632	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1936	2024-06-14_9fa5d693e7c6230ac9d9c69616c9ec95_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 1936 wrote to memory of 2632	1936	2024-06-14_9fa5d693e7c6230ac9d9c69616c9ec95_cryptolocker.exe	28
PID 1936 wrote to memory of 2632	1936	2024-06-14_9fa5d693e7c6230ac9d9c69616c9ec95_cryptolocker.exe	28
PID 1936 wrote to memory of 2632	1936	2024-06-14_9fa5d693e7c6230ac9d9c69616c9ec95_cryptolocker.exe	28
PID 1936 wrote to memory of 2632	1936	2024-06-14_9fa5d693e7c6230ac9d9c69616c9ec95_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-14_9fa5d693e7c6230ac9d9c69616c9ec95_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-14_9fa5d693e7c6230ac9d9c69616c9ec95_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2632

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
42KB

MD5
44d8906bbab9f630c4d214acb679fbd1

SHA1
82271826c5c0e565abdac77fef057bb4001e30db

SHA256
a0e3900c45b6faa09472bd49f0d17c2dd78fd59e3628337a3e960910de3936a5

SHA512
561d000f78ce6ba0ae59cd548c962e1cab651ae1739ebd677369f482a401a440d16b15605f1ae68780c71e5325fc3eb9b123c64fbbcf20bccfc2c2ac517aa656

Download Submit
memory/1936-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/1936-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1936-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1936-3-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2632-24-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2632-23-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2632-16-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download