6b560c3210d4d175f55f3768cf7e256fd9185ff6c595966026e33d30e8d9bb77

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
15/05/2024, 07:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-05-15_ac13c094c0068ea64e35fe42c289aa8f_cryptolocker.exe
Size

62KB
MD5

ac13c094c0068ea64e35fe42c289aa8f
SHA1

e1ee0607a41ad8d34159714f21173044ff188715
SHA256

6b560c3210d4d175f55f3768cf7e256fd9185ff6c595966026e33d30e8d9bb77
SHA512

f3c05ed665ddb3d44f799e0e5de772e3d5c167ca3049698e0823aaf4eadacc9d804c7288ba18bfa3e9099d151946233beb4c089c591d8b33c226f3e1648bb200
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMNuSZ:TCjsIOtEvwDpj5HE/OUHnSMZi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/3020-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c00000001228a-11.dat	CryptoLocker_rule2
behavioral1/memory/3020-13-0x0000000000680000-0x000000000068E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3020-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2980-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/3020-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c00000001228a-11.dat	CryptoLocker_set1
behavioral1/memory/3020-13-0x0000000000680000-0x000000000068E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3020-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2980-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2980	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3020	2024-05-15_ac13c094c0068ea64e35fe42c289aa8f_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 3020 wrote to memory of 2980	3020	2024-05-15_ac13c094c0068ea64e35fe42c289aa8f_cryptolocker.exe	28
PID 3020 wrote to memory of 2980	3020	2024-05-15_ac13c094c0068ea64e35fe42c289aa8f_cryptolocker.exe	28
PID 3020 wrote to memory of 2980	3020	2024-05-15_ac13c094c0068ea64e35fe42c289aa8f_cryptolocker.exe	28
PID 3020 wrote to memory of 2980	3020	2024-05-15_ac13c094c0068ea64e35fe42c289aa8f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-15_ac13c094c0068ea64e35fe42c289aa8f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-15_ac13c094c0068ea64e35fe42c289aa8f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2980

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
62KB

MD5
7fe41781f3b38d3e902d29fd56df6391

SHA1
7d07f7e5b8583d1e606f954ad092f658ce2ed42c

SHA256
671f3d266ca202b42736a33545a58d9246a2b4e0809b82d154bba9518ceb832a

SHA512
7e8b68603d973a286c314fdd3a612938c91ecb6d58f0ada84341cdd429e8cdfd6678fa0824146a6ec78543499da2b8cdf0f79a302111f72e1a5090fedf41afde

Download Submit
memory/2980-18-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2980-25-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2980-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3020-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3020-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3020-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3020-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3020-13-0x0000000000680000-0x000000000068E000-memory.dmp

Filesize
56KB

Download
memory/3020-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download