ae02bf73facb6d8b2192af5418e21a5148c5733abcee22495b0719b2db864df3

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 10:44

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General

Target

2024-03-08_6c5fc7726d0c81439a4ba813225b210a_cryptolocker.exe
Size

386KB
MD5

6c5fc7726d0c81439a4ba813225b210a
SHA1

e2117d6ab54bf1550224d950dad46f17b9173b3e
SHA256

ae02bf73facb6d8b2192af5418e21a5148c5733abcee22495b0719b2db864df3
SHA512

5cdc79a5e764c930b1851e55da298747679584d44c1c8286bc87d0e1179babba831951eede3a50e17adbd2b42c0ab424ad3814ad5cafadb54d0bcbadaea3c76e
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXJ:nnOflT/ZFIjBz3xjTxynGUOUhXJ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001227d-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2508	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1504	2024-03-08_6c5fc7726d0c81439a4ba813225b210a_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 1504 wrote to memory of 2508	1504	2024-03-08_6c5fc7726d0c81439a4ba813225b210a_cryptolocker.exe	28
PID 1504 wrote to memory of 2508	1504	2024-03-08_6c5fc7726d0c81439a4ba813225b210a_cryptolocker.exe	28
PID 1504 wrote to memory of 2508	1504	2024-03-08_6c5fc7726d0c81439a4ba813225b210a_cryptolocker.exe	28
PID 1504 wrote to memory of 2508	1504	2024-03-08_6c5fc7726d0c81439a4ba813225b210a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_6c5fc7726d0c81439a4ba813225b210a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_6c5fc7726d0c81439a4ba813225b210a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2508

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

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

Filesize
386KB

MD5
4fb7048a873d6c4cc2cf5bc946c13f33

SHA1
7ac561b3b4b77619ae1a030cc64d1faca34c5506

SHA256
33756ca83cf3b8a5c2689ccfa482fa34d39c388174041bb5299082b65974e52c

SHA512
38bb8913902c0fd114bd7d4da91aec2a30b2f996b1001455cf65abbc41876ff3751e093195f3c0de25e3382e8a8a48b2d99291775677bac8db2a352f5ace484e

Download Submit
memory/1504-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1504-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1504-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2508-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2508-22-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download