ca256ecb0e7ff2121f9349e15f220b5849e4baafc89b9aef11ca9d80514abcf7

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:33

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General

Target

2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe
Size

49KB
MD5

9b3f32a285f0924d1dfa7a5fa4a70034
SHA1

8f07927f84b2d97cee94099f339a42261c63f840
SHA256

ca256ecb0e7ff2121f9349e15f220b5849e4baafc89b9aef11ca9d80514abcf7
SHA512

74d60c199864e06be8cc5e7ea59305dfdc1142d4af92cb09d68514873fe85805ea496d0a72ccca9ffcb7be70278e1595282fb38148216be105af03ab465280d7
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXpQenhux:V6QFElP6n+gMQMOtEvwDpjeJQ7pojkRx

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x000d000000012246-21.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x000d000000012246-21.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid	Process
2816	asih.exe

Loads dropped DLL 1 IoCs

Processes:

2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe

pid	Process
2248	2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_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

Processes:

2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe

description	pid	Process	procid_target
PID 2248 wrote to memory of 2816	2248	2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe	15
PID 2248 wrote to memory of 2816	2248	2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe	15
PID 2248 wrote to memory of 2816	2248	2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe	15
PID 2248 wrote to memory of 2816	2248	2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe	15

C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9b3f32a285f0924d1dfa7a5fa4a70034_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2816

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
50KB

MD5
199a2cab08ddec8a7f943b5a0d5dfca8

SHA1
9902bd373aaef838d9070452f135aedfae6b394c

SHA256
586d31370cefc2d9778f9c99268dbd29df059b3e1c33b68f36d3dc45821a6c36

SHA512
93b3dfa7478f46c2d00aa5c2fc5ee7b511d37c40b4ae863b547c0954251ab093be7c414a128ab3017ab46a171fc2a75daff11bafadf54f271a30fb75c05694ba

Download Submit
memory/2248-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2248-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2248-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2816-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2816-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download