a68a47130f7fd325330fe40b9bed26417364ac83461afe1386339f341c7c7a92

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 03:48

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General

Target

2024-02-03_aef0cbfae8d92494ce8e47792a5fc53e_cryptolocker.exe
Size

37KB
MD5

aef0cbfae8d92494ce8e47792a5fc53e
SHA1

a8518d9ddcbce91ff61fc62d2815854f115cc747
SHA256

a68a47130f7fd325330fe40b9bed26417364ac83461afe1386339f341c7c7a92
SHA512

d4e16c5571e4130227065a0bbbed6f69290fff2d5ba18a9e6f8fd10bf115ec3db4a8a8a2236e07aede1bb6ac168a4e394a85d5e62be18395461034e9432728ff
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenBLR:ZzFbxmLPWQMOtEvwDpjLeL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012203-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3032	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	2024-02-03_aef0cbfae8d92494ce8e47792a5fc53e_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 2932 wrote to memory of 3032	2932	2024-02-03_aef0cbfae8d92494ce8e47792a5fc53e_cryptolocker.exe	28
PID 2932 wrote to memory of 3032	2932	2024-02-03_aef0cbfae8d92494ce8e47792a5fc53e_cryptolocker.exe	28
PID 2932 wrote to memory of 3032	2932	2024-02-03_aef0cbfae8d92494ce8e47792a5fc53e_cryptolocker.exe	28
PID 2932 wrote to memory of 3032	2932	2024-02-03_aef0cbfae8d92494ce8e47792a5fc53e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-03_aef0cbfae8d92494ce8e47792a5fc53e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-03_aef0cbfae8d92494ce8e47792a5fc53e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3032

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
37KB

MD5
4f6dfa38cfdf7c13f73cd25ca091ad12

SHA1
020adb5b636df02faba763d65c7ece9bfa09c0d3

SHA256
91848d1f02e394bfce4d497628559402f4c7ebab04e12dd677938ee0bfe95372

SHA512
7574547e1329101b0140ce51782fe3787538a571f272dc11c002c8c367ec732d4ad3ab2ad55fa316726041ad06c483884e690df5cf235fce634197abbe19e803

Download Submit
memory/2932-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2932-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2932-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3032-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download