f24ed1ef77f71fdc857911ced092bfde801b33d963f253d1a09c93c3d0907992

Analysis

max time kernel
148s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/05/2024, 03:27

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General

Target

2024-05-15_463640dd22f95dbbf8847233914b807d_cryptolocker.exe
Size

96KB
MD5

463640dd22f95dbbf8847233914b807d
SHA1

d9dd78de0cafa793d3e5e3f52aa3ef4c388422d4
SHA256

f24ed1ef77f71fdc857911ced092bfde801b33d963f253d1a09c93c3d0907992
SHA512

f253ebc9267f7867373464ee0ebca8fc650682639a0585796269c699fea37521059d5813394fa5a8ae80a3ec0c4c89f52773a5a2716e8036942a78148c773595
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgJ:V6a+pOtEvwDpjtzl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2472	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	2024-05-15_463640dd22f95dbbf8847233914b807d_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 2184 wrote to memory of 2472	2184	2024-05-15_463640dd22f95dbbf8847233914b807d_cryptolocker.exe	28
PID 2184 wrote to memory of 2472	2184	2024-05-15_463640dd22f95dbbf8847233914b807d_cryptolocker.exe	28
PID 2184 wrote to memory of 2472	2184	2024-05-15_463640dd22f95dbbf8847233914b807d_cryptolocker.exe	28
PID 2184 wrote to memory of 2472	2184	2024-05-15_463640dd22f95dbbf8847233914b807d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-15_463640dd22f95dbbf8847233914b807d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-15_463640dd22f95dbbf8847233914b807d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2472

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
96KB

MD5
670025c3d3a9993f2e5a3cedfa5c8b39

SHA1
d90249856a79791e9602bba9df203fb71f4acf4a

SHA256
895a004c5a9f312775ebbc5ecc6815aacaab23ad986ad4d3394e2294e09835d2

SHA512
cccd07eb896bafe988fa4ac87f006c0eecafabbbb99689d6c968d1ca5beb4d66e549b066837ee358f5e7baa0c9a741ba295efc5bb43b0e8e96363f83288606a0

Download Submit
memory/2184-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2184-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2184-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2472-15-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2472-22-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download