1dd884239edc4ba182824ff0cb7cfa536edccfb72e392e73c5a6ca055e59c86b

Analysis

max time kernel
138s
max time network
143s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 14:07

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General

Target

2024-03-15_d41fd9c3bd01375c49feaba0a57d568f_cryptolocker.exe
Size

45KB
MD5

d41fd9c3bd01375c49feaba0a57d568f
SHA1

bc44e88d3f1ddc12db74e26a3268eb0f373197b3
SHA256

1dd884239edc4ba182824ff0cb7cfa536edccfb72e392e73c5a6ca055e59c86b
SHA512

abf264336b550336797e2bdd29431821f84bb382cd7f4d84aa792a19f06c20cd8b5ba8402c9faa1810f6d0558c1a6d0a2dcebde732b8f4cf268ed61366c4fbe5
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFqRoN6N1:bxNrC7kYo1Fxf3s05rwxbFvN6N1

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012256-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2540	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2516	2024-03-15_d41fd9c3bd01375c49feaba0a57d568f_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 2516 wrote to memory of 2540	2516	2024-03-15_d41fd9c3bd01375c49feaba0a57d568f_cryptolocker.exe	28
PID 2516 wrote to memory of 2540	2516	2024-03-15_d41fd9c3bd01375c49feaba0a57d568f_cryptolocker.exe	28
PID 2516 wrote to memory of 2540	2516	2024-03-15_d41fd9c3bd01375c49feaba0a57d568f_cryptolocker.exe	28
PID 2516 wrote to memory of 2540	2516	2024-03-15_d41fd9c3bd01375c49feaba0a57d568f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-15_d41fd9c3bd01375c49feaba0a57d568f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-15_d41fd9c3bd01375c49feaba0a57d568f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2540

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\pissa.exe

Filesize
45KB

MD5
9d274e52bf15dd0e77b2e1b80b8a4b1e

SHA1
bec24145e1fe22c9a1377b8835402b75b943c0cb

SHA256
d5e6b6c24fb21ae66d0211c1b859c4b39447e9f38e153297f7d9b7ce8c854dee

SHA512
aff8d8186f47297521b2076631ba9b3beee051960e277bc435c67ad58e64579157a1771ec18f222f2f7ccb5552183e5649510b72875a4d256f449f7e7eb56c52

Download Submit
memory/2516-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2516-1-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/2516-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2540-16-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2540-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download