07f8783ffe29f5c9c490bcb3d9f9614892c4148145265b16bf73ea5e231a9339

Analysis

max time kernel
154s
max time network
158s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 23:42

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General

Target

2024-03-10_0fdda148d3be5186515e69b081a66d73_cryptolocker.exe
Size

37KB
MD5

0fdda148d3be5186515e69b081a66d73
SHA1

1bb27257c66a2061256c6adb25d3e8a457c5b32e
SHA256

07f8783ffe29f5c9c490bcb3d9f9614892c4148145265b16bf73ea5e231a9339
SHA512

a84bd4708f02118b1d81df3c0c23c1980a1c617c3804802f34480cd5323cd182014d17eb769136bf37fea2b4e8e0c4fc7b018c8f6408aae7730f25d04543519b
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axP:V6QFElP6n+gMQMOtEvwDpjyaYa5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012267-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012267-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1080	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2980	2024-03-10_0fdda148d3be5186515e69b081a66d73_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 2980 wrote to memory of 1080	2980	2024-03-10_0fdda148d3be5186515e69b081a66d73_cryptolocker.exe	28
PID 2980 wrote to memory of 1080	2980	2024-03-10_0fdda148d3be5186515e69b081a66d73_cryptolocker.exe	28
PID 2980 wrote to memory of 1080	2980	2024-03-10_0fdda148d3be5186515e69b081a66d73_cryptolocker.exe	28
PID 2980 wrote to memory of 1080	2980	2024-03-10_0fdda148d3be5186515e69b081a66d73_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_0fdda148d3be5186515e69b081a66d73_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_0fdda148d3be5186515e69b081a66d73_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1080

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\asih.exe

Filesize
37KB

MD5
271783eb4d55eba0f53a09721ab1396f

SHA1
8ea6a77b85d45d15a9ac7a84d53c8ffb3bfc8688

SHA256
06bca34db1c291d4452dedead59a79eed836d2d9a05ef5b5d8e379eb4fda81d2

SHA512
783e1b514525cca8ca9da0ab6fa90e4422bc8b0735b1b501708f88498978c9127f9078119b832e0cdb66c5fbfb883eb6276a7b7be75f6fb429df6bf7b7033a37

Download Submit
memory/1080-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1080-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2980-0-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2980-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2980-3-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download