cb06630f7fa21f293ded6c79237a9d9bf811748d7693dc528446e593774cb6de

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
16/06/2024, 19:22

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General

Target

2024-06-16_1b8ab109f477845a5f4137c4337d2632_cryptolocker.exe
Size

86KB
MD5

1b8ab109f477845a5f4137c4337d2632
SHA1

8d60bf574b173b66687a4ca5b7756ee08c08f16e
SHA256

cb06630f7fa21f293ded6c79237a9d9bf811748d7693dc528446e593774cb6de
SHA512

690da037f4094df748455f667475232114d10d6ffa98dbee140ca97c19bfb9038db68e083246f2fad7718fca5077bdef63f07db24dd0824e463c589746d06f97
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrC+a:TCjsIOtEvwDpj5HE/OUHnSM4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2112-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d000000012324-11.dat	CryptoLocker_rule2
behavioral1/memory/2112-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1728-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1728-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2112-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000d000000012324-11.dat	CryptoLocker_set1
behavioral1/memory/2112-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1728-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1728-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1728	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2112	2024-06-16_1b8ab109f477845a5f4137c4337d2632_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 2112 wrote to memory of 1728	2112	2024-06-16_1b8ab109f477845a5f4137c4337d2632_cryptolocker.exe	28
PID 2112 wrote to memory of 1728	2112	2024-06-16_1b8ab109f477845a5f4137c4337d2632_cryptolocker.exe	28
PID 2112 wrote to memory of 1728	2112	2024-06-16_1b8ab109f477845a5f4137c4337d2632_cryptolocker.exe	28
PID 2112 wrote to memory of 1728	2112	2024-06-16_1b8ab109f477845a5f4137c4337d2632_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-16_1b8ab109f477845a5f4137c4337d2632_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-16_1b8ab109f477845a5f4137c4337d2632_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1728

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

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
86KB

MD5
fd91c1b6882d4a8c82b96520e068cb5d

SHA1
91b6a6d9b779cfe3b4a307973f6be5ed977de13d

SHA256
3f6abfef77c1fa8ee6e61ef1cc5ebc20538f8d0117666ed06404237d50abbc92

SHA512
4d55c104bb427c67c2cf26a7efdb307104ac0ef7cbc91d1709d33a5f33bd57fa706ee18a27f66f00aa7edddd7fb8f6caf648ebd77e691a078afb234720e6a152

Download Submit
memory/1728-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1728-19-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1728-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1728-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2112-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2112-1-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2112-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2112-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2112-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download