eb5a0d9158bff906c83064d5815c0dcbbda6039c1fbe22e65756de4cb71c4822

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12/02/2024, 18:25

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General

Target

2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe
Size

46KB
MD5

4bf99433c0be56c616fe3a8930e90350
SHA1

f941a252f88492ea22ffd287fc133425e7fa907e
SHA256

eb5a0d9158bff906c83064d5815c0dcbbda6039c1fbe22e65756de4cb71c4822
SHA512

2759882f6cc6be51763db1011447393a2e98ae6fd7966dc1e6ebb4f90b60cf30c438c613c246a129bd1de689e7ffb90758b8951e71377fdc1d300ffe5fd9983d
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dFl2:bgGYcA/53GAA6y37Q6df2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000133a9-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3024	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2868	2024-02-12_4bf99433c0be56c616fe3a8930e90350_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 2868 wrote to memory of 3024	2868	2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe	28
PID 2868 wrote to memory of 3024	2868	2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe	28
PID 2868 wrote to memory of 3024	2868	2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe	28
PID 2868 wrote to memory of 3024	2868	2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3024

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\hasfj.exe

Filesize
46KB

MD5
707baf411b72e438118d39d6aace8350

SHA1
cd0f1d94ed213bdc26ef86059f001b510c408c86

SHA256
a536658ee2937923530ad1486a7b52da35f36901b381a852439f6a9873024790

SHA512
0e10bdbfb778af92b0d0c5aabb68a6b65b47717a68146f671a82c6d4e108dcc4c6dc7062d135a939609a9f703c160723182b88d25ce8d87acf5c82099d08b492

Download Submit
memory/2868-0-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2868-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2868-2-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/3024-16-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/3024-15-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download