4b9ee29a338ccd9b288653bbb954bcbb338f8da77b1126728337f62adc4926d6

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
28/05/2024, 03:26

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General

Target

2024-05-28_163b4f75fb2b8f5fcb5980719fd2a8c7_cryptolocker.exe
Size

82KB
MD5

163b4f75fb2b8f5fcb5980719fd2a8c7
SHA1

5d9d97c8bfadf7a8eb074d9b05b30bcdf4bb8c07
SHA256

4b9ee29a338ccd9b288653bbb954bcbb338f8da77b1126728337f62adc4926d6
SHA512

e08be9e7e8569775356503b97be7a9561c5ee46736cd7903da578c8d6c6201a67a71d6a0685934581c2ce082d533d5d198b9b0abdcaf5a75f6cd0420825392ce
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqVs:vCjsIOtEvwDpj5H9YvQd2f

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001342b-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001342b-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2908	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-05-28_163b4f75fb2b8f5fcb5980719fd2a8c7_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 2180 wrote to memory of 2908	2180	2024-05-28_163b4f75fb2b8f5fcb5980719fd2a8c7_cryptolocker.exe	28
PID 2180 wrote to memory of 2908	2180	2024-05-28_163b4f75fb2b8f5fcb5980719fd2a8c7_cryptolocker.exe	28
PID 2180 wrote to memory of 2908	2180	2024-05-28_163b4f75fb2b8f5fcb5980719fd2a8c7_cryptolocker.exe	28
PID 2180 wrote to memory of 2908	2180	2024-05-28_163b4f75fb2b8f5fcb5980719fd2a8c7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-28_163b4f75fb2b8f5fcb5980719fd2a8c7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-28_163b4f75fb2b8f5fcb5980719fd2a8c7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2908

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\misid.exe

Filesize
82KB

MD5
78a6c583adbed9f299320f54af551c61

SHA1
feca9ee7fa1bb13ef1c1ffd2c44ec56be97cb873

SHA256
0467295f519979eb983817b37035927140283992b8acb89c83118c2b99b618d1

SHA512
ef483bfacb911cd696cbefeab89139712f1e650d3910b0e394531acc963efbc3f354b46d378bae039361f73e7594f5ec78c8579ab9166183c3a375fa0d3aae7f

Download Submit
memory/2180-0-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2180-8-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2908-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2908-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download