a401f3ad33c4b18b6da40f15437465c654adcb1e1f6c1f4f880be057ee667cf2

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 17:36

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General

Target

2024-06-04_9639c0c89ab616af182360013c8de07f_cryptolocker.exe
Size

38KB
MD5

9639c0c89ab616af182360013c8de07f
SHA1

fcc7cdea88e599e778a7375d4e88231ea6e08e24
SHA256

a401f3ad33c4b18b6da40f15437465c654adcb1e1f6c1f4f880be057ee667cf2
SHA512

58320b51b397efa5ebda052b65e680818b92f433a6a0588ad50b9593fe22f702b55fb0158c5496ac8c0ac390f9d3f59b1c80e364abf141a684776bef8b7daf12
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVajSKm5uhy7O4qqg9:X6QFElP6n+gJQMOtEvwDpjBcSKm5uhw2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013a06-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013a06-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2716	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	2024-06-04_9639c0c89ab616af182360013c8de07f_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 2244 wrote to memory of 2716	2244	2024-06-04_9639c0c89ab616af182360013c8de07f_cryptolocker.exe	28
PID 2244 wrote to memory of 2716	2244	2024-06-04_9639c0c89ab616af182360013c8de07f_cryptolocker.exe	28
PID 2244 wrote to memory of 2716	2244	2024-06-04_9639c0c89ab616af182360013c8de07f_cryptolocker.exe	28
PID 2244 wrote to memory of 2716	2244	2024-06-04_9639c0c89ab616af182360013c8de07f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-04_9639c0c89ab616af182360013c8de07f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-04_9639c0c89ab616af182360013c8de07f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2716

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
38KB

MD5
2c30b3c5f8ff59508d96f170f5e173f4

SHA1
b575c110f4a67121c39f27f169559bebd4dc7da4

SHA256
437a0967bae53ad4f5130f2c9ef13f5cb329da284edeaa966103703a1b259c1c

SHA512
13df927c7a372809f973fe9f5938286e4d8609a650d85ae85e3a4019d3baeaf29ddd0d7492df65da6e35097270afc8cc8e14729a589d95d5d0f199ab7fea5665

Download Submit
memory/2244-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2244-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2244-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2716-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download