0f4bae2c29626349ea2fafef105c7ddf0b66ace0782213783b2290eb12b67578

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
05/05/2024, 07:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-05_9f6a720249df4cbaf77ca45135c313c9_cryptolocker.exe
Size

62KB
MD5

9f6a720249df4cbaf77ca45135c313c9
SHA1

7f340ae8c2275e668ad03dd365d15ddd239f5e81
SHA256

0f4bae2c29626349ea2fafef105c7ddf0b66ace0782213783b2290eb12b67578
SHA512

8deb971dc27593de2d7518bfa35930435bd5098d56dc7f971fb24f4c81eb18e5165b8e9929087da9673b3de06b587977b6f9d1ff003e6c247a374c8162b78f2f
SSDEEP

768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9F:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxW0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2220-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c00000001315b-11.dat	CryptoLocker_rule2
behavioral1/memory/2220-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2508-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2508-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2220-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c00000001315b-11.dat	CryptoLocker_set1
behavioral1/memory/2220-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2508-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2508-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2508	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2220	2024-05-05_9f6a720249df4cbaf77ca45135c313c9_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 2220 wrote to memory of 2508	2220	2024-05-05_9f6a720249df4cbaf77ca45135c313c9_cryptolocker.exe	28
PID 2220 wrote to memory of 2508	2220	2024-05-05_9f6a720249df4cbaf77ca45135c313c9_cryptolocker.exe	28
PID 2220 wrote to memory of 2508	2220	2024-05-05_9f6a720249df4cbaf77ca45135c313c9_cryptolocker.exe	28
PID 2220 wrote to memory of 2508	2220	2024-05-05_9f6a720249df4cbaf77ca45135c313c9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-05_9f6a720249df4cbaf77ca45135c313c9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-05_9f6a720249df4cbaf77ca45135c313c9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2508

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
62KB

MD5
4e050d57998e1e25b0fc24d880627135

SHA1
028b490d2d734c8523b2e9560500457459d8452d

SHA256
c5e8b7698dc4bd025684c3e7320e3b9f867c05aed3519e0ee0ef46a5fb1862a7

SHA512
d15244cade0b725e6170909f0975d741c272320fa9a8280dc49ab42c374da64b6307b630b1dc75548470547790d81292bce9f7b8c5ee856696a9418db6885e94

Download Submit
memory/2220-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2220-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2220-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2220-2-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2220-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2508-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2508-18-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2508-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download