3d719e46ddfebc1e9ca192bfd66bd8a94b8ad8fa834b41b954522bd68089eae2

Analysis

max time kernel
146s
max time network
152s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 22:23

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General

Target

2024-01-18_070670f218b67fd4d2f996e5179433b6_cryptolocker.exe
Size

59KB
MD5

070670f218b67fd4d2f996e5179433b6
SHA1

558f6de8a7534c03c29464e238617c09fe449694
SHA256

3d719e46ddfebc1e9ca192bfd66bd8a94b8ad8fa834b41b954522bd68089eae2
SHA512

da0d4dc0edc7ad31dc9d7ecc3f08b4a7a6c2793700e2ca8781ab710a5bf911047772aceddb4fdbc0c58391cd7f5cd1491ba6fac641e939c20d21e6392db9692b
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJT/E2:ZVxkGOtEvwDpjcOh

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014826-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2228	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2020	2024-01-18_070670f218b67fd4d2f996e5179433b6_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 2020 wrote to memory of 2228	2020	2024-01-18_070670f218b67fd4d2f996e5179433b6_cryptolocker.exe	28
PID 2020 wrote to memory of 2228	2020	2024-01-18_070670f218b67fd4d2f996e5179433b6_cryptolocker.exe	28
PID 2020 wrote to memory of 2228	2020	2024-01-18_070670f218b67fd4d2f996e5179433b6_cryptolocker.exe	28
PID 2020 wrote to memory of 2228	2020	2024-01-18_070670f218b67fd4d2f996e5179433b6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_070670f218b67fd4d2f996e5179433b6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_070670f218b67fd4d2f996e5179433b6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2228

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
60KB

MD5
7906e4f672e90b4740a976026ceae56a

SHA1
197d1699329e0ee51da46f9af5d7dd279df1613e

SHA256
84bf31c693859d3915b91dc5ac51a30b7824054f41acc43dd65c5d2f439ba45a

SHA512
72f22f17ff4fe31bf347a48bef3061be7d492cf2ac39b102921e361a9a69837e714999b1b88ff219b33822b2819dc04cd3f0f4c297d095689efa887c206af60d

Download Submit
memory/2020-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2020-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2020-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2228-14-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2228-16-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download