eacaf081a32c8c53b0e0a7f0bdf43f50867d63373a81816adf61c29150b57bda

Analysis

max time kernel
0s
max time network
145s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 05:42

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General

Target

2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe
Size

51KB
MD5

51864fa29ad7aacc38a616968039c082
SHA1

f4c6e2a9504de7ab66555b68345f1abb541d797b
SHA256

eacaf081a32c8c53b0e0a7f0bdf43f50867d63373a81816adf61c29150b57bda
SHA512

044512a6364587e87a9cfb292badf0a99c16853b26180b662d06e1d2040d1987635dbf4f9b2a2d941b9e19bc6728c2f572d9f75adda468a0e1ddd495eb614f0d
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9S1bk:bIDOw9a0DwitDZz11Q

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2828	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2428	2024-01-01_51864fa29ad7aacc38a616968039c082_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 2428 wrote to memory of 2828	2428	2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe	14
PID 2428 wrote to memory of 2828	2428	2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe	14
PID 2428 wrote to memory of 2828	2428	2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe	14
PID 2428 wrote to memory of 2828	2428	2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe	14

C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.exe"
1⤵
- Executes dropped EXE
PID:2828

C:\Users\Admin\AppData\Local\Temp\2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_51864fa29ad7aacc38a616968039c082_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2428

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

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

Filesize
44KB

MD5
5526f6e6e79c51675c6b95459ccbb654

SHA1
2d26be5be652de1c9777c1b16f32ddc7b2913b84

SHA256
15dab231d018b031cd149359a6730db8040a33da61d52a47a8701e75d8a54138

SHA512
41418a9f6fec5c90e4d125a11ab650943872c059b345887703b49f8a1263cf4103e1122b07c5af357c10ed7c78aa9c25bd01ae75c5d2942192aa39494e5774a6

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

Filesize
23KB

MD5
00975a9a5851421b0f14436f940fc01d

SHA1
7103880c763db3265805e67a794ddb13854cb3d3

SHA256
fb8cbb25cbc502a835a424f19868b3fc7344d05a841f7c840e369c9dffa16c67

SHA512
2e8df770e2ed0f52be9f2f129d1ce3f72679567257f6d510ab8cfb689a0308b947298a73d9152639f1448803c686e2a24d2fc718fc5c6ffd7bae5af2b2e8a9e5

Download Submit
\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
51KB

MD5
48201c648425fa0e5b5c33dc25e8398b

SHA1
e62b1d157bff2e8f33ab8bffda5cddbfad1e4872

SHA256
91ee029a5cc83adcee82440a2107edb21d8ec953abe1f4c33764bd0e7e3937b2

SHA512
adcacdad91b0e56cf0506e5598b6a219a0ba960258a7b878fe19fb94062dddad2da98075f184ce392ad3c83befdac9bd94531acd6e735aa8b2b16c6fdc4d6ba2

Download Submit
memory/2428-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2428-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2428-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2828-15-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2828-16-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download