4c5a5b3184fb282fdd92d92b7359451d8949e71c3b5694a66a2b6f857ec15f5b

Analysis

max time kernel
125s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 10:32

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General

Target

2024-10-18_d475e663d7b2bc5d277d38260e90826f_cryptolocker.exe
Size

50KB
MD5

d475e663d7b2bc5d277d38260e90826f
SHA1

198020debcc55db6950b6b0905a5f135ec438440
SHA256

4c5a5b3184fb282fdd92d92b7359451d8949e71c3b5694a66a2b6f857ec15f5b
SHA512

0f67dcd83a6b6551c3334c5c5fc665e65bd5da4a2aa12bb5402a0c5d38d7296da3edd4fce53ef8a8491d1c677dcbfadc896199cbd97eb314250163b96091c114
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9z:bIDOw9a0DwitDZzA

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2724	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-10-18_d475e663d7b2bc5d277d38260e90826f_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-18_d475e663d7b2bc5d277d38260e90826f_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2724	2180	2024-10-18_d475e663d7b2bc5d277d38260e90826f_cryptolocker.exe	30
PID 2180 wrote to memory of 2724	2180	2024-10-18_d475e663d7b2bc5d277d38260e90826f_cryptolocker.exe	30
PID 2180 wrote to memory of 2724	2180	2024-10-18_d475e663d7b2bc5d277d38260e90826f_cryptolocker.exe	30
PID 2180 wrote to memory of 2724	2180	2024-10-18_d475e663d7b2bc5d277d38260e90826f_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-18_d475e663d7b2bc5d277d38260e90826f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_d475e663d7b2bc5d277d38260e90826f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
50KB

MD5
80a0ead7d33c8821f33473b781493b08

SHA1
654146edb68aed03ae4fa1bfe6e24062d393824b

SHA256
59b5bcc58a147d822648909396b28397331a444d58b10df450cc3f0090b862b9

SHA512
154efaaf710dc69af7cb655115e755b1696dfa4290a55043acd26059ccd2f6c91af699c0d2fded8106ba79c384094d304e0571bb200ad2996dc3d89de10a284a

Download Submit
memory/2180-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000001C90000-0x0000000001C96000-memory.dmp

Filesize
24KB

Download
memory/2180-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2724-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download