564907fe6bf34e1644505456c8eba3786556422fd5f3311fccff5f1a505a7756

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 05:25

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General

Target

2024-09-19_29efa162813b89eb458e92c9683a6618_cryptolocker.exe
Size

35KB
MD5

29efa162813b89eb458e92c9683a6618
SHA1

68bcd760c773cdab5e592c25b345fc09bf54bee3
SHA256

564907fe6bf34e1644505456c8eba3786556422fd5f3311fccff5f1a505a7756
SHA512

65ae7267bc89526631b2eb7a7a565a136bb55023c8acbcedbd44677321f321593b0c78853d69c0e5218401cc2f4dac21fc77b01c99d11f2961e005abafbe3868
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos5jmU0:bxNrC7kYo1Fxf2rYPL0

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2776	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
376	2024-09-19_29efa162813b89eb458e92c9683a6618_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	pissa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_29efa162813b89eb458e92c9683a6618_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 376 wrote to memory of 2776	376	2024-09-19_29efa162813b89eb458e92c9683a6618_cryptolocker.exe	30
PID 376 wrote to memory of 2776	376	2024-09-19_29efa162813b89eb458e92c9683a6618_cryptolocker.exe	30
PID 376 wrote to memory of 2776	376	2024-09-19_29efa162813b89eb458e92c9683a6618_cryptolocker.exe	30
PID 376 wrote to memory of 2776	376	2024-09-19_29efa162813b89eb458e92c9683a6618_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-19_29efa162813b89eb458e92c9683a6618_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_29efa162813b89eb458e92c9683a6618_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:376
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2776

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\pissa.exe

Filesize
35KB

MD5
8fec6a24f40aa3623164f99985d5d8c8

SHA1
45052ac286f01942ec9a2ee35c177660f75c1233

SHA256
a3cd689b6bb27b7cee31b6b15429d400c246fe876924892d2809bb57ad9611d4

SHA512
47aa0250ee543c20fd99d1ce9fb4fd6239f89a04723cdaa28f3fc712bd10d76957684447c1fbba128846337804e1bf956bbd37d10ccf604dc15a0da25175ae20

Download Submit
memory/376-0-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/376-1-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/376-8-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2776-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2776-22-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download