86fb4b8b2a8ddad9cf870797857eb169d88e84476ff0f57b2f9eb78932016629

Analysis

max time kernel
0s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 05:49

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General

Target

2024-01-01_b9253b435e5e6b9e8f100369c6f5f09c_cryptolocker.exe
Size

45KB
MD5

b9253b435e5e6b9e8f100369c6f5f09c
SHA1

8e354de995e7e047bba575923a4e7a95a2bcb05d
SHA256

86fb4b8b2a8ddad9cf870797857eb169d88e84476ff0f57b2f9eb78932016629
SHA512

c559bf4fbfb06cf310e8edf94f4ba9d91d62ac9ea0b3834f3a6afaaab1ebd34299623070fc62e767501a19c744ba10223a3a906d21095b1ffdc6fa74222ad88d
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPxyV4tFw:bIDOw9a0Dwo3P1ojvUSD4PRtFw

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2208	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2496	2024-01-01_b9253b435e5e6b9e8f100369c6f5f09c_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 2496 wrote to memory of 2208	2496	2024-01-01_b9253b435e5e6b9e8f100369c6f5f09c_cryptolocker.exe	16
PID 2496 wrote to memory of 2208	2496	2024-01-01_b9253b435e5e6b9e8f100369c6f5f09c_cryptolocker.exe	16
PID 2496 wrote to memory of 2208	2496	2024-01-01_b9253b435e5e6b9e8f100369c6f5f09c_cryptolocker.exe	16
PID 2496 wrote to memory of 2208	2496	2024-01-01_b9253b435e5e6b9e8f100369c6f5f09c_cryptolocker.exe	16

C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.exe"
1⤵
- Executes dropped EXE
PID:2208

C:\Users\Admin\AppData\Local\Temp\2024-01-01_b9253b435e5e6b9e8f100369c6f5f09c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_b9253b435e5e6b9e8f100369c6f5f09c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2496

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

memory/2208-22-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2208-15-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2496-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2496-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2496-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download