33fdd42888f263aa3530b78f1ade422664b685dda057f48bc1cab577f086b2aa

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
24/05/2024, 18:24

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General

Target

2024-05-24_2f9973c6286dfe55e60edbdeaa7aec34_cryptolocker.exe
Size

96KB
MD5

2f9973c6286dfe55e60edbdeaa7aec34
SHA1

4a432f3c17f251f8b4f907760293109263f47193
SHA256

33fdd42888f263aa3530b78f1ade422664b685dda057f48bc1cab577f086b2aa
SHA512

9ed66c944471a8455e400d5d8fe32b6cb03ad2a2a7ed30632cff91e92f01a53c48dbe9018e1afe4fc032a6520bfd612a265676a5c6571b51c11a2ea79e85d6fb
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgRw:V6a+pOtEvwDpjtzm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001472f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001472f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2568	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	2024-05-24_2f9973c6286dfe55e60edbdeaa7aec34_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 2644 wrote to memory of 2568	2644	2024-05-24_2f9973c6286dfe55e60edbdeaa7aec34_cryptolocker.exe	28
PID 2644 wrote to memory of 2568	2644	2024-05-24_2f9973c6286dfe55e60edbdeaa7aec34_cryptolocker.exe	28
PID 2644 wrote to memory of 2568	2644	2024-05-24_2f9973c6286dfe55e60edbdeaa7aec34_cryptolocker.exe	28
PID 2644 wrote to memory of 2568	2644	2024-05-24_2f9973c6286dfe55e60edbdeaa7aec34_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-24_2f9973c6286dfe55e60edbdeaa7aec34_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-24_2f9973c6286dfe55e60edbdeaa7aec34_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2568

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
ff84f6c3d20291bcfd0b6e007800b3c9

SHA1
46ea51d7b10c7c7a557f0dd65f7b77ab10ea7806

SHA256
6fca255f45f9795d39cb7956a901c4fb1941607e5024819ec2ae97111cbc2396

SHA512
a7d86cee866bda68fb659db8871f7c631c571121d63abf868c1ae0633f40d07f4b6171856deb605dfd7ae87b948171ee10c14f2fd08d5c3406db0d6ea22f39d7

Download Submit
memory/2568-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2568-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2644-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2644-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2644-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download