7f857993b0972c9eee37ca1d84504f210c570313f2766c20fdf05784f8b193c4

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
27-04-2024 22:38

Target

2024-04-27_a356731f408f20ac1fac066cc3bcf006_cryptolocker.exe
Size

53KB
MD5

a356731f408f20ac1fac066cc3bcf006
SHA1

9fe9fa197ff40d9b22dc1a5254bc9d002d7d2d2b
SHA256

7f857993b0972c9eee37ca1d84504f210c570313f2766c20fdf05784f8b193c4
SHA512

01dad827eeabd440b6dd80ef0f707bfa53e901e96ae78194ec1b50e82db72d4aedf1a0c7c846b243f06ea175d8f1bfe85aed8c079e0dfdbec0bce07a1cd52c0e
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CS4Gjh:bgGYcA/53GAA6y37Q6dI+d5QGV

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

3044 hasfj.exe
Loads dropped DLL 1 IoCs

Processes:

2024-04-27_a356731f408f20ac1fac066cc3bcf006_cryptolocker.exe

pid process

2060 2024-04-27_a356731f408f20ac1fac066cc3bcf006_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3044	hasfj.exe

pid	process
2060	2024-04-27_a356731f408f20ac1fac066cc3bcf006_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-04-27_a356731f408f20ac1fac066cc3bcf006_cryptolocker.exe

description	pid	process	target process
PID 2060 wrote to memory of 3044	2060	2024-04-27_a356731f408f20ac1fac066cc3bcf006_cryptolocker.exe	hasfj.exe
PID 2060 wrote to memory of 3044	2060	2024-04-27_a356731f408f20ac1fac066cc3bcf006_cryptolocker.exe	hasfj.exe
PID 2060 wrote to memory of 3044	2060	2024-04-27_a356731f408f20ac1fac066cc3bcf006_cryptolocker.exe	hasfj.exe
PID 2060 wrote to memory of 3044	2060	2024-04-27_a356731f408f20ac1fac066cc3bcf006_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:3044

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
53KB

MD5
00b8b3502b29cce192172aad7361fabb

SHA1
017dfec9f7762e307b4e17ecd7557f02974a4f5e

SHA256
f751945f0c90f956a400ae3638ad184fcb2ef7398f2a52e00f8aa5bc471a93d7

SHA512
9609cbc3784f85959e344ba7acbb3180df5d2f64d63dc8130d67bbff9c91c6395b4c7e8efc06e258842fdcb2a3299120e8fd9ecbf42b4eea7397b3301f0fecc4

Download Submit
memory/2060-1-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2060-8-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2060-0-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/3044-15-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/3044-22-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download