2c1afdcd690e7b56875412b5061952936f3323eb41c1a9ed89b1156d778921ac

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
03-06-2024 03:24

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General

Target

2024-06-03_08c60d023af39bace0b3336f9f740e61_cryptolocker.exe
Size

40KB
MD5

08c60d023af39bace0b3336f9f740e61
SHA1

72d7405afacb1475b294d87355ab5c68532c9fe8
SHA256

2c1afdcd690e7b56875412b5061952936f3323eb41c1a9ed89b1156d778921ac
SHA512

f50aeed7d2f81f4ad4fa4c66701f981a8cf796d95bbc683a52636b2bc97e1522b388211db9f1a6c12078b69f1177f62658f08adf0f2b931668d042bc6a6255fc
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axZmGKh:V6QFElP6n+gMQMOtEvwDpjyaYa/mlh

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014323-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014323-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2856	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	2024-06-03_08c60d023af39bace0b3336f9f740e61_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 2208 wrote to memory of 2856	2208	2024-06-03_08c60d023af39bace0b3336f9f740e61_cryptolocker.exe	28
PID 2208 wrote to memory of 2856	2208	2024-06-03_08c60d023af39bace0b3336f9f740e61_cryptolocker.exe	28
PID 2208 wrote to memory of 2856	2208	2024-06-03_08c60d023af39bace0b3336f9f740e61_cryptolocker.exe	28
PID 2208 wrote to memory of 2856	2208	2024-06-03_08c60d023af39bace0b3336f9f740e61_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-03_08c60d023af39bace0b3336f9f740e61_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-03_08c60d023af39bace0b3336f9f740e61_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2856

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
40KB

MD5
773d9cc9d29159ce69760cf9b83b2e23

SHA1
03bb51b95538b0b77dfb3354019f89f2c4f226d9

SHA256
9052ec00dbac6f63a46fdd793c8fb8ed27bcc4c3b6002b44d4dc69831c226f56

SHA512
c1ae1620abdc9c52635270631979be3ce6d3d206194aea0a22eafb5d742ffb9618fe1fe2de4169e7ce51008fd08985ec79c3649f9f3d52d32efc578f21e9c7e4

Download Submit
memory/2208-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2208-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download