3060f5086afbddb811abf262741e30220d3b892711166e09199deec5b5a1a482

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 06:09

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General

Target

2024-02-13_d51561a257ba98ff3038212b81779bf7_cryptolocker.exe
Size

64KB
MD5

d51561a257ba98ff3038212b81779bf7
SHA1

05697ec73b9ce905aff07d81be766db9d15ec72c
SHA256

3060f5086afbddb811abf262741e30220d3b892711166e09199deec5b5a1a482
SHA512

92bbff351928dae420247ecdf872780a5a5fd7b047d923f7258de5d477dfbd174976d2981d78b1bf7f4d58afcaf0d1d66a183fda3a54de0407100a1504d4e653
SSDEEP

1536:vj+jsMQMOtEvwDpj5HyCyh7vtRJ4BqKb1knzhR:vCjsIOtEvwDpj5Hv03

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012252-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012252-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2260	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2572	2024-02-13_d51561a257ba98ff3038212b81779bf7_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 2572 wrote to memory of 2260	2572	2024-02-13_d51561a257ba98ff3038212b81779bf7_cryptolocker.exe	28
PID 2572 wrote to memory of 2260	2572	2024-02-13_d51561a257ba98ff3038212b81779bf7_cryptolocker.exe	28
PID 2572 wrote to memory of 2260	2572	2024-02-13_d51561a257ba98ff3038212b81779bf7_cryptolocker.exe	28
PID 2572 wrote to memory of 2260	2572	2024-02-13_d51561a257ba98ff3038212b81779bf7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-13_d51561a257ba98ff3038212b81779bf7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_d51561a257ba98ff3038212b81779bf7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2260

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
65KB

MD5
a8afa76397ceee08c9954205ff9e5953

SHA1
512bdaf1c417f7feb44ccd3ca27a50357a7b6451

SHA256
86baaf955e8a34d4d8cacd9a68c1e06eb0a544761b783cf6004603742e171e92

SHA512
54f6a253302507d6a8f2b430289026bf53477d526f8f1857d6c649d212b2ade319d09f1cb36197e781090c4120ca9cfec646b1c59059b273eb47883708ebd3bb

Download Submit
memory/2572-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2572-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2572-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download