cd384391d988ab8801f88aef7021e14de634cb1fa615d8c0af331eae1e9425c2

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29-01-2024 09:37

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General

Target

2024-01-29_6cbe7df6e9db4bdaa9bbe8ef7464cb5f_cryptolocker.exe
Size

41KB
MD5

6cbe7df6e9db4bdaa9bbe8ef7464cb5f
SHA1

34b4aae39d2a21a36c99be8be98403d26dfa016f
SHA256

cd384391d988ab8801f88aef7021e14de634cb1fa615d8c0af331eae1e9425c2
SHA512

f9b77d4538a72a50f1b8611950c1e5c7ed5c0f9ccdffef5dc5d0e7aa0acd7d445d495d005d1c0000fbe2e8a579b805426ceec531812c7b3b8bc0a0df2bfc71fb
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+syGz:bgGYcA/53GADw8Cl/S

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a1a-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3036	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
3012	2024-01-29_6cbe7df6e9db4bdaa9bbe8ef7464cb5f_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 3036	3012	2024-01-29_6cbe7df6e9db4bdaa9bbe8ef7464cb5f_cryptolocker.exe	28
PID 3012 wrote to memory of 3036	3012	2024-01-29_6cbe7df6e9db4bdaa9bbe8ef7464cb5f_cryptolocker.exe	28
PID 3012 wrote to memory of 3036	3012	2024-01-29_6cbe7df6e9db4bdaa9bbe8ef7464cb5f_cryptolocker.exe	28
PID 3012 wrote to memory of 3036	3012	2024-01-29_6cbe7df6e9db4bdaa9bbe8ef7464cb5f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-29_6cbe7df6e9db4bdaa9bbe8ef7464cb5f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-29_6cbe7df6e9db4bdaa9bbe8ef7464cb5f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
41KB

MD5
92941e14f91319a2904071e7b2215da2

SHA1
e9836e7afb9138ac08d143f8d5d6ca6e3120083e

SHA256
6ae5cfa1200daf44cc4e0e00cfaa8eee8f37b0a516f560f1b1e2d2b2eccd4c00

SHA512
bdb7ef3bad3d00bf6d2f8eb755905efacd98752d08f8a145f87927cc0ee9008fbf09ee25e0f3ca00212a4396634b7db7e15f949584689d9b3c2141af63fe15c4

Download Submit
memory/3012-0-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3012-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3012-1-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/3036-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/3036-18-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download