78cfc60bb5a66d6b25ca944d46d39b330f739e6701b08d6840ce758470daf211

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:31

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General

Target

2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe
Size

45KB
MD5

e2e92f128f21a5fdee48acf580831991
SHA1

6488e59666fd745d93d9e1e41e1ea6e227284d8c
SHA256

78cfc60bb5a66d6b25ca944d46d39b330f739e6701b08d6840ce758470daf211
SHA512

de671a2faf350e4ac68f197634ef10ed70e7cd19f5de56dab6a5af59171e4cfa52a56ce7b1914f11a125b3c94371316a3e343faf2962dd85715c4f3ee60f0d40
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3b+NY:bm74zYcgT/EkM0ryfjd3WY

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2264	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2388	2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2264	2388	2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe	31
PID 2388 wrote to memory of 2264	2388	2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe	31
PID 2388 wrote to memory of 2264	2388	2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe	31
PID 2388 wrote to memory of 2264	2388	2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_e2e92f128f21a5fdee48acf580831991_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
7ac18e95ab9613b9e6c8569510b5fcd7

SHA1
765b194d6045653f5584ee991bd833195e849c08

SHA256
f9454e461333ad0d173abb37bfe111d0a299d62f7de49a66e31fa4c7ce438a50

SHA512
1fbbd88f3649b6f6c2e0fe35a556896c90adf565e43aad6fbd9ce1acd0cb164a83eaf9bd26203582468466975407d9db03214646ce58128a2b42db91c912de06

Download Submit
memory/2264-16-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2264-18-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2264-25-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2264-26-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2388-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2388-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2388-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2388-9-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2388-15-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download