29fa391dd8145da04ebe9159ce9b6b13f9746f387b70ca28b45bf629d8d2b017

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/04/2024, 04:45

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General

Target

2024-04-26_64b39ddf242f746391d0d8911697b297_cryptolocker.exe
Size

47KB
MD5

64b39ddf242f746391d0d8911697b297
SHA1

e9aaab1eea0bd215ebfdd5ffb079eda542f5c85a
SHA256

29fa391dd8145da04ebe9159ce9b6b13f9746f387b70ca28b45bf629d8d2b017
SHA512

bc6ad3a74b7032eca5ab22c0806cd2ed1f4b8120f19a5c5bb13a9465d87974b836e81f83a97fcead9c4d2cb799b867d8c917d29ee9d87cab376a9c8db16b864c
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB09J:vj+jsMQMOtEvwDpj5HczerLO04B6J

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001222a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001222a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2992	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1760	2024-04-26_64b39ddf242f746391d0d8911697b297_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 1760 wrote to memory of 2992	1760	2024-04-26_64b39ddf242f746391d0d8911697b297_cryptolocker.exe	28
PID 1760 wrote to memory of 2992	1760	2024-04-26_64b39ddf242f746391d0d8911697b297_cryptolocker.exe	28
PID 1760 wrote to memory of 2992	1760	2024-04-26_64b39ddf242f746391d0d8911697b297_cryptolocker.exe	28
PID 1760 wrote to memory of 2992	1760	2024-04-26_64b39ddf242f746391d0d8911697b297_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-26_64b39ddf242f746391d0d8911697b297_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-26_64b39ddf242f746391d0d8911697b297_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2992

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
47KB

MD5
04175d4eb734708a7725c87e11aa92c0

SHA1
632fecb49885fba5a7c3e9b4d7c511464988997b

SHA256
849869f92769671829257bd3cb3e52f17b0bb922e52b08a0f34ea24025cf4128

SHA512
c25d4de3e8c8fca2f650440cb672ce2954bf60a961301af6bed5825a82ba2c34390831222a2cae1eee61a98bb0c3740512124c35a0fd87df50c2b51296d82626

Download Submit
memory/1760-0-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1760-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1760-8-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2992-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2992-17-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download