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

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

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\hasfj.exe	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

Processes:

hasfj.exe

pid process

3024 hasfj.exe
Loads dropped DLL 1 IoCs

Processes:

2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe

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

pid	process
3024	hasfj.exe

pid	process
2868	2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe

description	pid	process	target process
PID 2868 wrote to memory of 3024	2868	2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe	hasfj.exe
PID 2868 wrote to memory of 3024	2868	2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe	hasfj.exe
PID 2868 wrote to memory of 3024	2868	2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe	hasfj.exe
PID 2868 wrote to memory of 3024	2868	2024-02-12_4bf99433c0be56c616fe3a8930e90350_cryptolocker.exe	hasfj.exe

C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
2⤵
- Executes dropped EXE
PID:3024

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

\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