5e19f46df6dcee21a2f716460500245e3461065446af7e371537f6023eb0609f

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/05/2024, 15:52

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General

Target

2024-05-16_ace624d930c2b7a6de77402e8ed1ed31_cryptolocker.exe
Size

56KB
MD5

ace624d930c2b7a6de77402e8ed1ed31
SHA1

8385fab24ae53bd5e2f949fb61ea494aed549567
SHA256

5e19f46df6dcee21a2f716460500245e3461065446af7e371537f6023eb0609f
SHA512

643da94f80268a986375c7a0266648f0cd4f27c955a945da2cce1ee3eb2165fa87b807dac64e593071fb1297aaecd9b2e8189f9266c19c5ddd9f7ff791dbb668
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTb8puv:bIDOw9a0DwitDZzcTLv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001340b-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3016	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	2024-05-16_ace624d930c2b7a6de77402e8ed1ed31_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 2188 wrote to memory of 3016	2188	2024-05-16_ace624d930c2b7a6de77402e8ed1ed31_cryptolocker.exe	28
PID 2188 wrote to memory of 3016	2188	2024-05-16_ace624d930c2b7a6de77402e8ed1ed31_cryptolocker.exe	28
PID 2188 wrote to memory of 3016	2188	2024-05-16_ace624d930c2b7a6de77402e8ed1ed31_cryptolocker.exe	28
PID 2188 wrote to memory of 3016	2188	2024-05-16_ace624d930c2b7a6de77402e8ed1ed31_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-16_ace624d930c2b7a6de77402e8ed1ed31_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-16_ace624d930c2b7a6de77402e8ed1ed31_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:3016

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\lossy.exe

Filesize
56KB

MD5
f2e724c7b38a0c3ed6175996da6ce5bd

SHA1
7fb0e81d75e2f65cc992fd5732d29cb0642c2fd3

SHA256
d77987679ed028e7ba49a8cf51fd207b3f1792ddff699ce314db59eb73e624b6

SHA512
b869979eef32d15d081acd8784ce5d2051357b68a1542c9a44e64295025d9f3462b76cfbd48f1ae76608366856252d98c0b411a4114db232ebed6f47e674081c

Download Submit
memory/2188-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2188-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2188-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3016-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3016-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download