d343832e46d112249d76aa440370531e1e6750f199edc361769e3df69527180e

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/05/2024, 21:25

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General

Target

2024-05-27_222652fcaefb01b206ee441deda1d067_cryptolocker.exe
Size

40KB
MD5

222652fcaefb01b206ee441deda1d067
SHA1

e7bc47738704de219d0e6622b9d1efeb2c2eba08
SHA256

d343832e46d112249d76aa440370531e1e6750f199edc361769e3df69527180e
SHA512

7d2e9625563635e63a0c264732b5738d176bb69b697392460d1531c97f29883205603cb1a4d2bb5a4b6c080fcc86bced800c8238799a29bfb92ff9326f01b252
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDky:ZzFbxmLPWQMOtEvwDpjLeJAsKcF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000122cd-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2492	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-05-27_222652fcaefb01b206ee441deda1d067_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 2192 wrote to memory of 2492	2192	2024-05-27_222652fcaefb01b206ee441deda1d067_cryptolocker.exe	28
PID 2192 wrote to memory of 2492	2192	2024-05-27_222652fcaefb01b206ee441deda1d067_cryptolocker.exe	28
PID 2192 wrote to memory of 2492	2192	2024-05-27_222652fcaefb01b206ee441deda1d067_cryptolocker.exe	28
PID 2192 wrote to memory of 2492	2192	2024-05-27_222652fcaefb01b206ee441deda1d067_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-27_222652fcaefb01b206ee441deda1d067_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-27_222652fcaefb01b206ee441deda1d067_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2492

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
40KB

MD5
64c5a285dcb32b902173c2c18138b4b8

SHA1
4d7251e3b126998e2d2af1dd45e98c6f74ccfc8b

SHA256
33b70ff18669798e2c4359d9b9434b5987a910a2067586bb9af74cbb3bf6e36c

SHA512
dce97b475ece946ffb26fcbb23eefc971b681482e933f5d36b10928dc611d0ff208798fd084a48ce14d9664fc0ef0a196ac03a84ec36cca57e8feef967af3455

Download Submit
memory/2192-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2192-8-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2192-9-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2492-15-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/2492-17-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2492-24-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2492-25-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download