3e270bcb57a6b395a15c073ff9e3135d4bc947ff895bf00d5a93e4b94fbc0e61

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
12-03-2024 07:32

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General

Target

2024-03-12_cb77e907af0c2d39ed058a1b0e9feb73_cryptolocker.exe
Size

88KB
MD5

cb77e907af0c2d39ed058a1b0e9feb73
SHA1

708e768c27729614c62d2777ad8f2e055d4185c9
SHA256

3e270bcb57a6b395a15c073ff9e3135d4bc947ff895bf00d5a93e4b94fbc0e61
SHA512

83aa2e6e7c3ec66f63d6401b1a72a0ed414a86f36204c50166ec624d4ff9df85bab927df2b30dc82aa4388629556368fcc38dbee13c35c8e92733394a6d6b7cf
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQYg:vCjsIOtEvwDpj5H8zPsh

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012326-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012326-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2132	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1728	2024-03-12_cb77e907af0c2d39ed058a1b0e9feb73_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 1728 wrote to memory of 2132	1728	2024-03-12_cb77e907af0c2d39ed058a1b0e9feb73_cryptolocker.exe	28
PID 1728 wrote to memory of 2132	1728	2024-03-12_cb77e907af0c2d39ed058a1b0e9feb73_cryptolocker.exe	28
PID 1728 wrote to memory of 2132	1728	2024-03-12_cb77e907af0c2d39ed058a1b0e9feb73_cryptolocker.exe	28
PID 1728 wrote to memory of 2132	1728	2024-03-12_cb77e907af0c2d39ed058a1b0e9feb73_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_cb77e907af0c2d39ed058a1b0e9feb73_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_cb77e907af0c2d39ed058a1b0e9feb73_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2132

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
88KB

MD5
e79c3ececd198b70fb3a200437417a3d

SHA1
3e219ec0cd187bc1dc9833d907beb8ef9d63e455

SHA256
2b0b94f69605390fccc4fed19ca24346fa48d96924a428bea21244c2b4d2a215

SHA512
01c7fa729c03870ef9e81f5590d6e657af662d7a0d8871b81632c4d05b84c90222d74d605e4505f1bce73d1f49357122052fdaf98e29d6100b61ad7d8427860e

Download Submit
memory/1728-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1728-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1728-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2132-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2132-18-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download