fcb145416251f857e1b9c2741c4c97c282d13fd84f24bb400d2974024fabec20

Analysis

max time kernel
0s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 11:18

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General

Target

2024-11-21_e91f351852b3ed5bc4d5959bfdd9e2a6_cryptolocker.exe
Size

45KB
MD5

e91f351852b3ed5bc4d5959bfdd9e2a6
SHA1

19dc2039a6ca7596d1f54f79b17069924d6917e2
SHA256

fcb145416251f857e1b9c2741c4c97c282d13fd84f24bb400d2974024fabec20
SHA512

afbea8f1cf4f93503f43fe8eb87cdf6f4a185e8f1efecd1627d9e0b33279ba87507283a9dd9bd0202501306d2ba589a88dff651b288c0fe8a0fedfb0dee9c446
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAIie0LHt:bCDOw9aMDooc+vAlXt

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2776	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
376	2024-11-21_e91f351852b3ed5bc4d5959bfdd9e2a6_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	2024-11-21_e91f351852b3ed5bc4d5959bfdd9e2a6_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 376 wrote to memory of 2776	376	2024-11-21_e91f351852b3ed5bc4d5959bfdd9e2a6_cryptolocker.exe	30
PID 376 wrote to memory of 2776	376	2024-11-21_e91f351852b3ed5bc4d5959bfdd9e2a6_cryptolocker.exe	30
PID 376 wrote to memory of 2776	376	2024-11-21_e91f351852b3ed5bc4d5959bfdd9e2a6_cryptolocker.exe	30
PID 376 wrote to memory of 2776	376	2024-11-21_e91f351852b3ed5bc4d5959bfdd9e2a6_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-11-21_e91f351852b3ed5bc4d5959bfdd9e2a6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_e91f351852b3ed5bc4d5959bfdd9e2a6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:376
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.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

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

Filesize
45KB

MD5
22b76f2ace786926d33aeb2ffbe1bf57

SHA1
dd86fd98a20f65f0658f4a642fdca1dc5a3788ea

SHA256
cb70856288b01b3e6515a7944e4c9ea2e6094d5873d6e4fcc0d976ae913c2d8a

SHA512
f07c80ad494ff0864c0cee1041b5fb54f0f4888dea24da651c74383a0e2cf87e1c6ae81c65cceb7aa240c817acb611a575095543bdd26ba4edb60a4c3b2d9984

Download Submit
memory/376-3-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/376-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/376-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/376-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/376-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2776-18-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2776-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2776-25-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download