81a0c1cd2f4b9e3019b024a69db65f7759d7ffd57e320e5cee5d979c3ef661c8

Analysis

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

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-08-2024 03:56

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General

Target

2024-08-07_7b11b1e366f4bb506cb70490a5485a1a_cryptolocker.exe
Size

30KB
MD5

7b11b1e366f4bb506cb70490a5485a1a
SHA1

9ccf51a27b98cff6f1a64cc5ea8336ebd0492349
SHA256

81a0c1cd2f4b9e3019b024a69db65f7759d7ffd57e320e5cee5d979c3ef661c8
SHA512

dde2491170e52cf3b33695b7801ba9ae0b8ab8e3cfa88d36c01852f85aff6eda50b5224c03a1e9b39e16e62c86fb25e1ae5a8a3c0383df666bb69f72130a4b2a
SSDEEP

384:v0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26Rsn1rCcOQtOOtEvwDpjqIGRS/Vb9hd:vQz7yVEhs9+js1SQtOOtEvwDpjz9+aR

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1700	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1500	2024-08-07_7b11b1e366f4bb506cb70490a5485a1a_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	2024-08-07_7b11b1e366f4bb506cb70490a5485a1a_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 1700	1500	2024-08-07_7b11b1e366f4bb506cb70490a5485a1a_cryptolocker.exe	30
PID 1500 wrote to memory of 1700	1500	2024-08-07_7b11b1e366f4bb506cb70490a5485a1a_cryptolocker.exe	30
PID 1500 wrote to memory of 1700	1500	2024-08-07_7b11b1e366f4bb506cb70490a5485a1a_cryptolocker.exe	30
PID 1500 wrote to memory of 1700	1500	2024-08-07_7b11b1e366f4bb506cb70490a5485a1a_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-07_7b11b1e366f4bb506cb70490a5485a1a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-07_7b11b1e366f4bb506cb70490a5485a1a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1700

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\misid.exe

Filesize
30KB

MD5
c3244cfc4857f2fe3886b3cc86bd6d79

SHA1
5a3e15d5913e11d9c195b9d86d765ea6d418b150

SHA256
bd67cf91a0873fb8cd8f8062d79b188c6bca880da26d4d8dfa57aae3880ca5b3

SHA512
fe3d24cdd1f8f73e1e561d9f9c35b4518a67ab4d4dfd52ebb25bbec62b1e177c591522e235c1a1acb3fdec80d05e5f73c22b604f2567a68734a4c2c4f06d9da6

Download Submit
memory/1500-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1500-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1500-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1700-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1700-22-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download