c9ba50abde7b4df6848c137395b68d73742e4cfccf84a8e31e0b66ad05dde63e

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 00:32

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General

Target

2024-01-25_566ddff2f25c8d44987794ea021b9df4_cryptolocker.exe
Size

32KB
MD5

566ddff2f25c8d44987794ea021b9df4
SHA1

c8faf5869a89035cb08ba97ace62e0db3efc9986
SHA256

c9ba50abde7b4df6848c137395b68d73742e4cfccf84a8e31e0b66ad05dde63e
SHA512

9eaa34502a4836264c82a469f9f722d480e48369fb05ff21426a0411cad21e49b58b5ac2711bdcb34ef9d48345e6b5053858333e9fc4ccad29d4801279d7a555
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJXTQke8SEF:bA74zYcgT/Ekd0ryfjQRSNhpSa

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001223b-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2692	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1672	2024-01-25_566ddff2f25c8d44987794ea021b9df4_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 1672 wrote to memory of 2692	1672	2024-01-25_566ddff2f25c8d44987794ea021b9df4_cryptolocker.exe	28
PID 1672 wrote to memory of 2692	1672	2024-01-25_566ddff2f25c8d44987794ea021b9df4_cryptolocker.exe	28
PID 1672 wrote to memory of 2692	1672	2024-01-25_566ddff2f25c8d44987794ea021b9df4_cryptolocker.exe	28
PID 1672 wrote to memory of 2692	1672	2024-01-25_566ddff2f25c8d44987794ea021b9df4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-25_566ddff2f25c8d44987794ea021b9df4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_566ddff2f25c8d44987794ea021b9df4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2692

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
32KB

MD5
aa5cdcbcb21025701063e249c06149eb

SHA1
db94b427a34e3afdb3bd32f8f8ca6129b0d0bb44

SHA256
73b11de89e74c81a0a279091cfdd7cc21940e3bf08cca7aba58f34e2c8cac7f2

SHA512
9b5a1802beb222649a02978db56de2a1175a2d29a7e6658bc1e0069bbcf694e8a322d5a37203f3752be36b39d9ab0e7025f3072954d653270757e1dd370aef10

Download Submit
memory/1672-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1672-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1672-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2692-15-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2692-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download