181ab403faa387715c086cb8d105cb0bc8e8ca5fa91ad3a0fd6ce61d568a5058

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 23:30

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General

Target

2024-03-12_576a913424c0801c0c8aa73b5975d7ff_cryptolocker.exe
Size

36KB
MD5

576a913424c0801c0c8aa73b5975d7ff
SHA1

769817ab804ddf0627ea70c2ac47701485319a45
SHA256

181ab403faa387715c086cb8d105cb0bc8e8ca5fa91ad3a0fd6ce61d568a5058
SHA512

be00b3a91d4bd3028cb44b2b37ede91c16d01841b247aea5db26747446aa0efccdbab6492edcce5c90fb5617489fa043635c646e01590ace128ff310bb5a5bb9
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/UkRYzMADzL:vj+jsMQMOtEvwDpj5HcSYPDzL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3036	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1664	2024-03-12_576a913424c0801c0c8aa73b5975d7ff_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 1664 wrote to memory of 3036	1664	2024-03-12_576a913424c0801c0c8aa73b5975d7ff_cryptolocker.exe	28
PID 1664 wrote to memory of 3036	1664	2024-03-12_576a913424c0801c0c8aa73b5975d7ff_cryptolocker.exe	28
PID 1664 wrote to memory of 3036	1664	2024-03-12_576a913424c0801c0c8aa73b5975d7ff_cryptolocker.exe	28
PID 1664 wrote to memory of 3036	1664	2024-03-12_576a913424c0801c0c8aa73b5975d7ff_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_576a913424c0801c0c8aa73b5975d7ff_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_576a913424c0801c0c8aa73b5975d7ff_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3036

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
36KB

MD5
843cf57b8151aa284a42e2a45c6a3c0d

SHA1
b07187d7af14481f1bd2fdffc2b4f048045cc45c

SHA256
de650b5b47b8a29cf40d4933e097c5874a137fc5d770ded01a7e82569dea4187

SHA512
1f49e88b7cd11a46d7b38c525cdcff67b66b11f04e899ce65d463a30ac24453edfd410fdf90fef9f725f116a8e9b6350b39c66d6b4e244ebbdcddc060f2e33f0

Download Submit
memory/1664-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1664-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1664-2-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/3036-15-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/3036-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download