c2f5460f93f33c00fe47a4b7c47666bac019c31e88054e94669417101ba6b18c

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 05:30

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General

Target

2024-09-19_77581a058d838017ee000fd8bcfb960f_cryptolocker.exe
Size

41KB
MD5

77581a058d838017ee000fd8bcfb960f
SHA1

2275a393ea959d2f915b458f5ee5f500dd8fcb64
SHA256

c2f5460f93f33c00fe47a4b7c47666bac019c31e88054e94669417101ba6b18c
SHA512

56c01c748a199e1f8e32fda58b61eee2247aab9737de3015e03c4e09a188587574ffb4695a25fcd299575d26055cd10db1f3cb989046782c407b4dd3210147d3
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCK:bA6YcA/X6G0W143QZ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2456	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1128	2024-09-19_77581a058d838017ee000fd8bcfb960f_cryptolocker.exe

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	hasfj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_77581a058d838017ee000fd8bcfb960f_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 2456	1128	2024-09-19_77581a058d838017ee000fd8bcfb960f_cryptolocker.exe	31
PID 1128 wrote to memory of 2456	1128	2024-09-19_77581a058d838017ee000fd8bcfb960f_cryptolocker.exe	31
PID 1128 wrote to memory of 2456	1128	2024-09-19_77581a058d838017ee000fd8bcfb960f_cryptolocker.exe	31
PID 1128 wrote to memory of 2456	1128	2024-09-19_77581a058d838017ee000fd8bcfb960f_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-19_77581a058d838017ee000fd8bcfb960f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_77581a058d838017ee000fd8bcfb960f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1128
- 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:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
41KB

MD5
08aecce8737bfe37895d5dbf06a5564e

SHA1
62418b4c9402d7a474405a0bf34b8f4e114b8a40

SHA256
1c3cb0def686c293d66d129f359b5cb1cbbe957e722e3703131d7fb1ab247c8e

SHA512
935902cb97f3bbae60a69678520305889e5cabf232e8fef08bbd5aa0e64348da9cc0b240e857bbbe5b1a1a4e9bee48bfcbb8dee4b739feb3c7522c3d6e643894

Download Submit
memory/1128-0-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1128-1-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1128-8-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/2456-15-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2456-22-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download