ed4f4cf9f778fe90c62618133591fcc395694123134e06757de2777b5aa948ae

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/01/2024, 19:42

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General

Target

2024-01-24_0950f0bc55107e10d198ec5c10e2505a_cryptolocker.exe
Size

43KB
MD5

0950f0bc55107e10d198ec5c10e2505a
SHA1

e44e319a667607a68ff3ff0c8bd8ed6383362139
SHA256

ed4f4cf9f778fe90c62618133591fcc395694123134e06757de2777b5aa948ae
SHA512

41071a4aff9a36a25dcda313b0f9f924583c27071eaeda468663aeb12284afde5b6cc972a0bc32fd349e9620e749a88d625c03e779ed6e60854ebf1bb59bc232
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1wsq:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ1A

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012203-22.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3064	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2928	2024-01-24_0950f0bc55107e10d198ec5c10e2505a_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 2928 wrote to memory of 3064	2928	2024-01-24_0950f0bc55107e10d198ec5c10e2505a_cryptolocker.exe	19
PID 2928 wrote to memory of 3064	2928	2024-01-24_0950f0bc55107e10d198ec5c10e2505a_cryptolocker.exe	19
PID 2928 wrote to memory of 3064	2928	2024-01-24_0950f0bc55107e10d198ec5c10e2505a_cryptolocker.exe	19
PID 2928 wrote to memory of 3064	2928	2024-01-24_0950f0bc55107e10d198ec5c10e2505a_cryptolocker.exe	19

C:\Users\Admin\AppData\Local\Temp\2024-01-24_0950f0bc55107e10d198ec5c10e2505a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_0950f0bc55107e10d198ec5c10e2505a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3064

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

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

Filesize
43KB

MD5
cc4a555230d3ee166178e753f0b98559

SHA1
3429e724b7626e20bae0ab258c16331c953222b0

SHA256
d128783611a8d6ef637b1dbc99a5d070a0c400386abe8d469e55ef6a480fe556

SHA512
d884e499ca56d285796786fe10322fa2fd3ce92f72a33b84d64db8cba83159cbf6fb36ffa2db27e5160a94afbff5dfd484408c3df72bb47eca8ca13a83277e33

Download Submit
memory/2928-0-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2928-2-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2928-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2928-3-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/3064-23-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/3064-16-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download