374463855868fb431821515cbb163e10158ce9117267d5565887b6918595d9fd

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/04/2024, 18:12

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General

Target

2024-04-27_5e6fadf9d0f8d873513f7e6ac36e5853_cryptolocker.exe
Size

34KB
MD5

5e6fadf9d0f8d873513f7e6ac36e5853
SHA1

9780c14ec61b76387293e1d3e5722edde1d57969
SHA256

374463855868fb431821515cbb163e10158ce9117267d5565887b6918595d9fd
SHA512

d0f737edc01f2e783fa70785544ff56101436613b8640d15a820155bcafa03e36a4909fbdce9a954ccc7f7ff4c33fc41bd3cd5ed2b98606ad01c13d9ed3a8737
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lxo:bA74zYcgT/Ekd0ryfjPIunqpeNswm6o

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012671-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2208	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
3000	2024-04-27_5e6fadf9d0f8d873513f7e6ac36e5853_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 3000 wrote to memory of 2208	3000	2024-04-27_5e6fadf9d0f8d873513f7e6ac36e5853_cryptolocker.exe	28
PID 3000 wrote to memory of 2208	3000	2024-04-27_5e6fadf9d0f8d873513f7e6ac36e5853_cryptolocker.exe	28
PID 3000 wrote to memory of 2208	3000	2024-04-27_5e6fadf9d0f8d873513f7e6ac36e5853_cryptolocker.exe	28
PID 3000 wrote to memory of 2208	3000	2024-04-27_5e6fadf9d0f8d873513f7e6ac36e5853_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-27_5e6fadf9d0f8d873513f7e6ac36e5853_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-27_5e6fadf9d0f8d873513f7e6ac36e5853_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2208

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\hasfj.exe

Filesize
34KB

MD5
4692178554697fed99b8929520c10c14

SHA1
b2ba21d484087d6415383c9e1906741460678b7c

SHA256
6aea566dcc7e8a2dc104ce97ed8ad034b7f081fe31c65db1d178edf25a052b94

SHA512
6df5cb74d8cfebb37f6f448cc909bc0953022a8f7c3649f93296b44b6283fab4d48f650da23bbbfd6ad82752c22f75259bf71416d3fc3e49ac3af599650c8b0d

Download Submit
memory/2208-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2208-22-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3000-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/3000-1-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/3000-3-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download