da93d5c7e6d25a19ed190914336853461bd8eea1d2b5734d6d3d0e3f10bcfbff

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 23:30

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General

Target

2024-01-28_6ea41db5566e07965fa8833a47b3725e_cryptolocker.exe
Size

44KB
MD5

6ea41db5566e07965fa8833a47b3725e
SHA1

e3788809626c889e87615df23fadf68eef7bf523
SHA256

da93d5c7e6d25a19ed190914336853461bd8eea1d2b5734d6d3d0e3f10bcfbff
SHA512

2090d157da89afecc21688503e44bc9485cdee1503c0f058e764a849b75ccc16406b4c51fe6b5fb841272e224c147f2cd08c857be51bc3ab7052d1aa077c1a30
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3d3:V6QFElP6n+gMQMOtEvwDpjyaHaXz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000139b6-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000139b6-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
756	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3036	2024-01-28_6ea41db5566e07965fa8833a47b3725e_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 3036 wrote to memory of 756	3036	2024-01-28_6ea41db5566e07965fa8833a47b3725e_cryptolocker.exe	28
PID 3036 wrote to memory of 756	3036	2024-01-28_6ea41db5566e07965fa8833a47b3725e_cryptolocker.exe	28
PID 3036 wrote to memory of 756	3036	2024-01-28_6ea41db5566e07965fa8833a47b3725e_cryptolocker.exe	28
PID 3036 wrote to memory of 756	3036	2024-01-28_6ea41db5566e07965fa8833a47b3725e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_6ea41db5566e07965fa8833a47b3725e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_6ea41db5566e07965fa8833a47b3725e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:756

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\asih.exe

Filesize
44KB

MD5
8d112fe2abc10bf9e60f58f9795de17f

SHA1
baa0cae348dde87f8a480f46d5543f8e7de621f5

SHA256
ede68927165cc6a713e3e6d6353b8be600587677405621d2737f656b27884b44

SHA512
75dc92b5caf2a0d7b572cebd1337c82e5236956133c6637dc869f872bd544623f0078bc2c9906bc0aed3dc5817108f4e6b15f57a517c6c9467bec4bfb819040b

Download Submit
memory/756-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/756-22-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3036-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3036-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3036-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download