72de26437fb868561789fa3c22a40225d06d8eb7072a02f3068fefdc9298dbc9

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
29/06/2024, 23:22

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General

Target

2024-06-29_50aed51ebfb1be915479048d08ab3cb7_cryptolocker.exe
Size

39KB
MD5

50aed51ebfb1be915479048d08ab3cb7
SHA1

766ba5638a08ae0af25b57e3853fc59fc437e5ad
SHA256

72de26437fb868561789fa3c22a40225d06d8eb7072a02f3068fefdc9298dbc9
SHA512

c0634e143bebf33d9c995a0fd07d728b37acc2cdbb80636a953ac2d55df2414779bcc6000a2d5b73a7716cda0e7f37b5df4df9a984d336598dcdaff90c88029a
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw02:X6QFElP6n+gJQMOtEvwDpjBmzDU52

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ee-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ee-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2636	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2148	2024-06-29_50aed51ebfb1be915479048d08ab3cb7_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 2148 wrote to memory of 2636	2148	2024-06-29_50aed51ebfb1be915479048d08ab3cb7_cryptolocker.exe	28
PID 2148 wrote to memory of 2636	2148	2024-06-29_50aed51ebfb1be915479048d08ab3cb7_cryptolocker.exe	28
PID 2148 wrote to memory of 2636	2148	2024-06-29_50aed51ebfb1be915479048d08ab3cb7_cryptolocker.exe	28
PID 2148 wrote to memory of 2636	2148	2024-06-29_50aed51ebfb1be915479048d08ab3cb7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-29_50aed51ebfb1be915479048d08ab3cb7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-29_50aed51ebfb1be915479048d08ab3cb7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2636

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
40KB

MD5
e9c8b84d0dc9f2e218845ee96e8313ea

SHA1
7a2629dbc68616af4bea4ee3374c66bc78d198ee

SHA256
6d7cb16b130f267848411c0ebd0e578b3591983a1989736fba04be7af743b4fb

SHA512
a3a932bbc09e14e87c95cbf58501f57a48600e325d6a6cadc9382c6e40359a1c38da9a499f58e9331cc026d3c611535ff4b3fca9d89be3c01e2b36ec52263eb8

Download Submit
memory/2148-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2148-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2148-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2636-15-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download