92949e253d4e8f1c7836d35b81433441b1be9ae9cb73d550f3a99e4488cd1f95

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
14/06/2024, 14:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-14_a7ef3ed20e4fd87bcf5dbfa5180e2b77_cryptolocker.exe
Size

43KB
MD5

a7ef3ed20e4fd87bcf5dbfa5180e2b77
SHA1

40d550ea895704325988c16d96631b9c48f9a387
SHA256

92949e253d4e8f1c7836d35b81433441b1be9ae9cb73d550f3a99e4488cd1f95
SHA512

dd3515ca6148a8d5de4753ff09a90a940030a29f323f686bd0693eae939e4556e7ccd28e8e3ec612d2c2728ed54f309ac7e417361d1b9b432a71355d22ce3042
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TU:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 3 IoCs

resource	yara_rule
behavioral1/memory/1960-8-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000f00000001226b-14.dat	CryptoLocker_rule2
behavioral1/memory/2324-23-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral1/memory/1960-8-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000f00000001226b-14.dat	CryptoLocker_set1
behavioral1/memory/2324-23-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2324	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1960	2024-06-14_a7ef3ed20e4fd87bcf5dbfa5180e2b77_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 1960 wrote to memory of 2324	1960	2024-06-14_a7ef3ed20e4fd87bcf5dbfa5180e2b77_cryptolocker.exe	28
PID 1960 wrote to memory of 2324	1960	2024-06-14_a7ef3ed20e4fd87bcf5dbfa5180e2b77_cryptolocker.exe	28
PID 1960 wrote to memory of 2324	1960	2024-06-14_a7ef3ed20e4fd87bcf5dbfa5180e2b77_cryptolocker.exe	28
PID 1960 wrote to memory of 2324	1960	2024-06-14_a7ef3ed20e4fd87bcf5dbfa5180e2b77_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-14_a7ef3ed20e4fd87bcf5dbfa5180e2b77_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-14_a7ef3ed20e4fd87bcf5dbfa5180e2b77_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2324

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

Loading Replay Monitor...

Downloads

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

Filesize
43KB

MD5
c7d5e4cb6b6c5b52f9cb3db2119b9108

SHA1
bf15dddcfb9b0bb94c49200b3fc6e2e8b498e3a2

SHA256
84f185183f5e99cbd073a37bda2dcc9439dfdd4aafcfc3ded5ffc13f1a30e93a

SHA512
9243bad5a0bd07b65b2b6a014dbad4dec6e6a19b7f7b4fd9eae15678ecec6335931f02f0a7ed024760535e55c67bc3278303644b3175ee44d92aa45bb03433ff

Download Submit
memory/1960-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1960-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1960-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1960-8-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2324-24-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2324-23-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download