43397bb4076e8a5d28d9abd4002f5fd364d1aedd7891e4083a85d85eacb2565e

Analysis

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

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 04:39

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General

Target

2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe
Size

73KB
MD5

7cc2a6cc196845b4f477f4aedb0f0d3e
SHA1

a5dee724b28a7b18f23a20bdc218ae3e44b3971a
SHA256

43397bb4076e8a5d28d9abd4002f5fd364d1aedd7891e4083a85d85eacb2565e
SHA512

e0eb932878400d5c8abec671d4b78b847b0d8d7a90c48c84757e8b7529267a05f83a3e08b3ca351622616a11a8fbd6198b6928c187d8515b780a41f97544f230
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KQ:ZVxkGOtEvwDpjcaH

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a1a-21.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3008	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2816	2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_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 2816 wrote to memory of 3008	2816	2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe	19
PID 2816 wrote to memory of 3008	2816	2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe	19
PID 2816 wrote to memory of 3008	2816	2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe	19
PID 2816 wrote to memory of 3008	2816	2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe	19

C:\Users\Admin\AppData\Local\Temp\2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3008

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
74KB

MD5
5b3eb1f64f4a739e187418fe06358c18

SHA1
cf5bafa053ffa2265278721fc276d668a4a24df4

SHA256
4f83cf82dd4e26329a649457ba1afe069fcb90729801c23f8377d4ef990cb476

SHA512
114935d1af117e82ae98cd663d244b9ca7d2a9969539ec4a04d58a53b60875c08cef70f9615e6ebc743471d76e3668c2e7afb7ced786b0a4564c8642962998f9

Download Submit
memory/2816-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2816-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2816-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3008-22-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3008-15-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download