70e6a3c24708a35e6d951200b3e8fb5ba64cea0cd16c8fb6ce974472e70563ac

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
29/04/2024, 14:53

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General

Target

2024-04-29_56fa6e2895a70720f80e64c5144571cc_cryptolocker.exe
Size

42KB
MD5

56fa6e2895a70720f80e64c5144571cc
SHA1

f7679efe02f8adc49f7edf4fe507b8b8e9afd3ba
SHA256

70e6a3c24708a35e6d951200b3e8fb5ba64cea0cd16c8fb6ce974472e70563ac
SHA512

11c26033594f0d100aa3a8e877395a046fd4e77f2e434b61a6e0a47f200cdfad8ba01d4c47f4ce9fe0c1b7fb49c582937dc1ecbbeb901b28428037f3627ceec7
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jo0nrlwfjDUc:bm74zYcgT/Ekn0ryfjF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 6 IoCs

resource	yara_rule
behavioral1/memory/3056-0-0x0000000008000000-0x000000000800D000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c000000013417-11.dat	CryptoLocker_rule2
behavioral1/memory/3056-13-0x0000000001CF0000-0x0000000001CFD000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3056-16-0x0000000008000000-0x000000000800D000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2972-17-0x0000000008000000-0x000000000800D000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2972-27-0x0000000008000000-0x000000000800D000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2972	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
3056	2024-04-29_56fa6e2895a70720f80e64c5144571cc_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 3056 wrote to memory of 2972	3056	2024-04-29_56fa6e2895a70720f80e64c5144571cc_cryptolocker.exe	28
PID 3056 wrote to memory of 2972	3056	2024-04-29_56fa6e2895a70720f80e64c5144571cc_cryptolocker.exe	28
PID 3056 wrote to memory of 2972	3056	2024-04-29_56fa6e2895a70720f80e64c5144571cc_cryptolocker.exe	28
PID 3056 wrote to memory of 2972	3056	2024-04-29_56fa6e2895a70720f80e64c5144571cc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-29_56fa6e2895a70720f80e64c5144571cc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-29_56fa6e2895a70720f80e64c5144571cc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2972

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
43KB

MD5
03ad7c88bb6490f1b74106bb1d77a087

SHA1
4239fa80a6e3e69698abea13cb8aa9a0bda6c734

SHA256
4f388fb6aa2baba13150793c92dd65981cabe6616300844fd03c400352f06d81

SHA512
98be3b666673b896a2106966d2aeab52e213b1332dd026c939ab259e98e14651c191e38bc685cc55f5b61908842851649e4c6268e7fec63e0549ae4efedfbad3

Download Submit
memory/2972-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2972-19-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2972-26-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2972-27-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/3056-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/3056-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3056-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/3056-9-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3056-13-0x0000000001CF0000-0x0000000001CFD000-memory.dmp

Filesize
52KB

Download
memory/3056-16-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download