d148566a8913d46190de342c51df02c1f4db345f978678b3803da207736acd6b

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 14:18

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General

Target

2024-02-21_fb50b92a05db797d4d9d79235a83129f_cryptolocker.exe
Size

50KB
MD5

fb50b92a05db797d4d9d79235a83129f
SHA1

31795fc9127794aaeb538e7ff57ca318cac55715
SHA256

d148566a8913d46190de342c51df02c1f4db345f978678b3803da207736acd6b
SHA512

ed7162690b82b9198c7293f02efed5eb32bf3e754029a3b137696c6cd1f59c97b244ee0451bebfadab7e1d2846039f52d09e85772f2106682ab749d8fffc4be6
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaf:X6QFElP6n+gJBMOtEvwDpjBtExmln

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000012247-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000012247-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2648	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2032	2024-02-21_fb50b92a05db797d4d9d79235a83129f_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 2032 wrote to memory of 2648	2032	2024-02-21_fb50b92a05db797d4d9d79235a83129f_cryptolocker.exe	28
PID 2032 wrote to memory of 2648	2032	2024-02-21_fb50b92a05db797d4d9d79235a83129f_cryptolocker.exe	28
PID 2032 wrote to memory of 2648	2032	2024-02-21_fb50b92a05db797d4d9d79235a83129f_cryptolocker.exe	28
PID 2032 wrote to memory of 2648	2032	2024-02-21_fb50b92a05db797d4d9d79235a83129f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-21_fb50b92a05db797d4d9d79235a83129f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_fb50b92a05db797d4d9d79235a83129f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2648

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
50KB

MD5
76ed47a1e0aa2b1e4d8de9f7d65b8d34

SHA1
dd06951f80af5283ec586da45c703854a3b849a0

SHA256
48803549e73d521eb730fe071b857625e3040d3fcbfe9bedfe927c22c67f8e1d

SHA512
931c9ef2cc2445810c484607c40f44e5d9806a858cf946eb2722ccf771b88bacde6744276f7ca32e5f33acd56822c2294dfde2714e4b0c75f6b25c98a726b973

Download Submit
memory/2032-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2032-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2032-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2648-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2648-16-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download