372bde159667cf84651fce67dd80f903796b11282e8f61492bc4460aab85a14d

Analysis

max time kernel
108s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
09-06-2024 11:25

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General

Target

2024-06-09_08e20ac34b27b8e2c7d663262f625c00_cryptolocker.exe
Size

87KB
MD5

08e20ac34b27b8e2c7d663262f625c00
SHA1

c75b5f5cb7393aabc3d3e3accb0fb4972083abb2
SHA256

372bde159667cf84651fce67dd80f903796b11282e8f61492bc4460aab85a14d
SHA512

7db6513f6f15e2aae8de8bafacdccb39595f655440792ef08c8a48449090b7d7b1f145a80076ce3fe90b2dbe072268c0188e151400a5ec7f6165ad15e8cae76d
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBl0:vCjsIOtEvwDpj5H9YvQd2C

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012286-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2348	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2232	2024-06-09_08e20ac34b27b8e2c7d663262f625c00_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 2232 wrote to memory of 2348	2232	2024-06-09_08e20ac34b27b8e2c7d663262f625c00_cryptolocker.exe	28
PID 2232 wrote to memory of 2348	2232	2024-06-09_08e20ac34b27b8e2c7d663262f625c00_cryptolocker.exe	28
PID 2232 wrote to memory of 2348	2232	2024-06-09_08e20ac34b27b8e2c7d663262f625c00_cryptolocker.exe	28
PID 2232 wrote to memory of 2348	2232	2024-06-09_08e20ac34b27b8e2c7d663262f625c00_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-09_08e20ac34b27b8e2c7d663262f625c00_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_08e20ac34b27b8e2c7d663262f625c00_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2348

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
87KB

MD5
e1391b4c4c49749084cfbb21685e4bb6

SHA1
2bc7a9257e0ad87f701f005e2c3f7e64420d3827

SHA256
7f599ff6234505d536b17dc66fbe8e4c9c591fb81c4a10a002d45b4acb8e3a1c

SHA512
21db4796b695957ae59437c3004c723e00801c061cc5c85a8925205128619aed1f715063f0dbbd63a939711aeb469809141fa475d8119d112c7843538ef4936b

Download Submit
memory/2232-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2232-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2232-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2348-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2348-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download