05ef4ca3336ea5721a745ab2c0c88b2f2bb4b160de21dda3481d2419204a8db3

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
10/01/2024, 05:54

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General

Target

2024-01-09_5f92f531d14c840738a94684268f8e9a_cryptolocker.exe
Size

65KB
MD5

5f92f531d14c840738a94684268f8e9a
SHA1

4182499cb9714096a5b996e4401a2f51860d0212
SHA256

05ef4ca3336ea5721a745ab2c0c88b2f2bb4b160de21dda3481d2419204a8db3
SHA512

38144eef1a06b6d8f226add12b53568e25f43c6808c8e2ca18c2ba123f0a9a37f6830bd046e53ff4459907a121393e33676e85e96fed03a0ef7882a33801dda3
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKu:DW60sllyWOtEvwDpjwF85P

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2488	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1520	2024-01-09_5f92f531d14c840738a94684268f8e9a_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 1520 wrote to memory of 2488	1520	2024-01-09_5f92f531d14c840738a94684268f8e9a_cryptolocker.exe	14
PID 1520 wrote to memory of 2488	1520	2024-01-09_5f92f531d14c840738a94684268f8e9a_cryptolocker.exe	14
PID 1520 wrote to memory of 2488	1520	2024-01-09_5f92f531d14c840738a94684268f8e9a_cryptolocker.exe	14
PID 1520 wrote to memory of 2488	1520	2024-01-09_5f92f531d14c840738a94684268f8e9a_cryptolocker.exe	14

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
1⤵
- Executes dropped EXE
PID:2488

C:\Users\Admin\AppData\Local\Temp\2024-01-09_5f92f531d14c840738a94684268f8e9a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-09_5f92f531d14c840738a94684268f8e9a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1520

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\asih.exe

Filesize
65KB

MD5
56ae096e63b7158d795d9709bbbe8148

SHA1
0c5267d4fdc08395a88be8e753837b55105e3863

SHA256
91485be2cb5668233c7051bc5f7c93c8753553e638710e76cf996c386edb41b3

SHA512
c2917fdff22c2a727984111e0c43ab44bba25fb08d713c6ed41520d7389fe5bb0aed8468ca86e7f2dcc9fdeb00033921f346b98eaa48236d533623f1145d0964

Download Submit
memory/1520-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1520-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1520-1-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1520-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2488-20-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2488-22-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2488-16-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download