b2a41b59e7e918912579564119d5cce4ba44ef071645ef8d94ab4df479323271

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 05:32

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General

Target

2024-09-19_aa5e8614030c5e0dfbcdaef33e78e40b_cryptolocker.exe
Size

43KB
MD5

aa5e8614030c5e0dfbcdaef33e78e40b
SHA1

571a61c6be4c51046f15af9435b4d4e605f24d17
SHA256

b2a41b59e7e918912579564119d5cce4ba44ef071645ef8d94ab4df479323271
SHA512

dda285b42f4d74953fd0c71b74de20ebd6528a221c9a59722abc1be3d9303627c9f2a0a9322b447ff12cdc46e833d8d96ef26491b662e9476b484ea2dae17dae
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Ybnf5nLn:bgGYcA/53GAA6y37Md

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2900	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2876	2024-09-19_aa5e8614030c5e0dfbcdaef33e78e40b_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	2024-09-19_aa5e8614030c5e0dfbcdaef33e78e40b_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 2876 wrote to memory of 2900	2876	2024-09-19_aa5e8614030c5e0dfbcdaef33e78e40b_cryptolocker.exe	30
PID 2876 wrote to memory of 2900	2876	2024-09-19_aa5e8614030c5e0dfbcdaef33e78e40b_cryptolocker.exe	30
PID 2876 wrote to memory of 2900	2876	2024-09-19_aa5e8614030c5e0dfbcdaef33e78e40b_cryptolocker.exe	30
PID 2876 wrote to memory of 2900	2876	2024-09-19_aa5e8614030c5e0dfbcdaef33e78e40b_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-19_aa5e8614030c5e0dfbcdaef33e78e40b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_aa5e8614030c5e0dfbcdaef33e78e40b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876
- 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:2900

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
43KB

MD5
fcdbde332630b1763089c21287487114

SHA1
582d574be90b1e8bba8f2fc5be65b6902cba3aa2

SHA256
f8865b86edd8ed1307cc125443459da2e0471f67c85f98c892d20a50bdbadfc9

SHA512
255a04c92e537dfd4a833839c1803c9cbcb373551e0822429865350d015aa9fc63fce4a76212521453de84af4143716d1d45605e639b9fb8db384a24adec92df

Download Submit
memory/2876-0-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2876-1-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2876-8-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2900-15-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2900-22-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download