9833b48d0fa94b2f3f1af141eab1c7bd6e7d99a3c826801f5c7c854d58f16b56

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
29-05-2024 06:33

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General

Target

2024-05-29_636c76e2fa3f127f6df39b93174f0524_cryptolocker.exe
Size

80KB
MD5

636c76e2fa3f127f6df39b93174f0524
SHA1

499efd5220d368c17585cbaf2ec499cdb242378e
SHA256

9833b48d0fa94b2f3f1af141eab1c7bd6e7d99a3c826801f5c7c854d58f16b56
SHA512

e2848bcbe4722986753b1397e05eb6cbaff5af83e3b6f8db1fb8e4b0bc6eedce75bfe6bfbec9ce1770d396d83fcdf6ba45eb14044c6ac4af782ab28d9e166eda
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KEWT+Us:ZVxkGOtEvwDpjcaxn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013ab9-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3024	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2484	2024-05-29_636c76e2fa3f127f6df39b93174f0524_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 2484 wrote to memory of 3024	2484	2024-05-29_636c76e2fa3f127f6df39b93174f0524_cryptolocker.exe	28
PID 2484 wrote to memory of 3024	2484	2024-05-29_636c76e2fa3f127f6df39b93174f0524_cryptolocker.exe	28
PID 2484 wrote to memory of 3024	2484	2024-05-29_636c76e2fa3f127f6df39b93174f0524_cryptolocker.exe	28
PID 2484 wrote to memory of 3024	2484	2024-05-29_636c76e2fa3f127f6df39b93174f0524_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-29_636c76e2fa3f127f6df39b93174f0524_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-29_636c76e2fa3f127f6df39b93174f0524_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3024

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
80KB

MD5
1d9f528232a02c044afa4a9898ffab67

SHA1
a568597f07217f3eb537fe5d5ad200a5ac1c8a36

SHA256
6f9c3de5a17b16ba0aa640f9f155d91712fe1357bddb9f2fbb9b432de7a39fba

SHA512
01c2db08c1fc2ff55220843187ca95b20a3a888f2e5c0ed898fe64b1c8738696901e3f7ba9a4672bd889d0bea50b12ee9ab986700b8a08bea39ec874dea1096e

Download Submit
memory/2484-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2484-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2484-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2484-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/3024-15-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/3024-17-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3024-24-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3024-25-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download