38cbce561ee98887ef16618a0783e6dc2221a8094e692b8e9be60d3cc3311683

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12-03-2024 05:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-12_0d396cea7b025724f94b7a172cc20dcf_cryptolocker.exe
Size

120KB
MD5

0d396cea7b025724f94b7a172cc20dcf
SHA1

668d7e8b78eaafa10c7353369700f6fbbe4b7a9e
SHA256

38cbce561ee98887ef16618a0783e6dc2221a8094e692b8e9be60d3cc3311683
SHA512

aef996e084526a64d5961f1c762390cadde3b13c5098cc3906a7f4afebf8cd3a5b0c42419598c46bc6434fffd9c030f9bbeee0c2c3b28d7510e46157d9ab5b75
SSDEEP

768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTKu:gUj+AIMOtEvwDpjNbwQEIPlemUhYau

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014b70-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014b70-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2840	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2392	2024-03-12_0d396cea7b025724f94b7a172cc20dcf_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 2392 wrote to memory of 2840	2392	2024-03-12_0d396cea7b025724f94b7a172cc20dcf_cryptolocker.exe	28
PID 2392 wrote to memory of 2840	2392	2024-03-12_0d396cea7b025724f94b7a172cc20dcf_cryptolocker.exe	28
PID 2392 wrote to memory of 2840	2392	2024-03-12_0d396cea7b025724f94b7a172cc20dcf_cryptolocker.exe	28
PID 2392 wrote to memory of 2840	2392	2024-03-12_0d396cea7b025724f94b7a172cc20dcf_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_0d396cea7b025724f94b7a172cc20dcf_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_0d396cea7b025724f94b7a172cc20dcf_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2840

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

Loading Replay Monitor...

Downloads

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

Filesize
120KB

MD5
f74746aef1553dfd29fe9d230a8225b9

SHA1
d754bc5274f1150924f5c3321cf8f3e221c47050

SHA256
ff202935695b262d8a55f4c57731c7832fdef56cf73c60d27af8b1846d8d9179

SHA512
f76066526241fd76702e744eef369c4bce63a2063a5dddcab040b5571c05d41487d29d7a41ca677f65403dea421e4db4af8b24fd896573582d64c1c3afdbf49c

Download Submit
memory/2392-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2392-1-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2392-8-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2840-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2840-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download