3dcc54af28f6b1b0159f5d0f6e36dc062a38436b4614332b793649e14b7ec023

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 14:22

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-03-10_2fa34d97c2353ec53964120c722c2202_cryptolocker.exe
Size

63KB
MD5

2fa34d97c2353ec53964120c722c2202
SHA1

263b26d573b8e69a4e2de23a3f9fd2ed3a53b76a
SHA256

3dcc54af28f6b1b0159f5d0f6e36dc062a38436b4614332b793649e14b7ec023
SHA512

ad4bad5bc0a86dd4d3ce3bfbbc3202d222eb3f692bfa0c6be194a9378c51b41ccee7558c4b90995a9ad4fd3fb5ee3b0216a90f09a07a68ee6fe2e08d66fd8de7
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2l9tMPvdfbr:TCjsIOtEvwDpj5HE/OUHnSMYS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2192-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b00000001224f-11.dat	CryptoLocker_rule2
behavioral1/memory/2192-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2492-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2492-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2192-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b00000001224f-11.dat	CryptoLocker_set1
behavioral1/memory/2192-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2492-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2492-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2492	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-03-10_2fa34d97c2353ec53964120c722c2202_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 2192 wrote to memory of 2492	2192	2024-03-10_2fa34d97c2353ec53964120c722c2202_cryptolocker.exe	28
PID 2192 wrote to memory of 2492	2192	2024-03-10_2fa34d97c2353ec53964120c722c2202_cryptolocker.exe	28
PID 2192 wrote to memory of 2492	2192	2024-03-10_2fa34d97c2353ec53964120c722c2202_cryptolocker.exe	28
PID 2192 wrote to memory of 2492	2192	2024-03-10_2fa34d97c2353ec53964120c722c2202_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_2fa34d97c2353ec53964120c722c2202_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_2fa34d97c2353ec53964120c722c2202_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2492

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
63KB

MD5
17ddf5ff58c19d918a0f476a56b5e444

SHA1
90fe23bae50a0541db02d6ff01edcd0f4e2b2c29

SHA256
f4c50dca20987ec8d163479afd023436be5b2a0574c011ecfddad603ab683ccc

SHA512
1ccd63c04ff8a8aaffb3f14e473192577bb90d86e9e501c3c8e26d7d50044a81028c213339b46c36679521b393f3563b6e4460d89a44d36613718c0094293cad

Download Submit
memory/2192-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2192-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2192-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2192-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2192-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2492-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2492-18-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2492-25-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2492-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download