5bab66826ebb565ea71f35db1ae8f97b3b2292e1ec7e064198c5a1868505c5e1

Analysis

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

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 04:11

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General

Target

2024-04-16_d782aeed7191c1c538333afa887fbd5d_cryptolocker.exe
Size

45KB
MD5

d782aeed7191c1c538333afa887fbd5d
SHA1

bd205da7731f604f8c730a7da8def8f40611cdce
SHA256

5bab66826ebb565ea71f35db1ae8f97b3b2292e1ec7e064198c5a1868505c5e1
SHA512

825a4cbbb75a96b0b20f233694f2acc82e65769e450f461ea35ddd38ea7bc5542759eeb5e1fd8b1aea04d5b968e1c5bb7cf4adc02fde7cd51fdd9d7bb7e2733c
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkY:P6Q0ElP6G+gJQMOtEvwDpjB8WMlT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2356-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c00000001231c-11.dat	CryptoLocker_rule2
behavioral1/memory/2356-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2644-20-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2356-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c00000001231c-11.dat	CryptoLocker_set1
behavioral1/memory/2356-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2644-20-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2644	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2356	2024-04-16_d782aeed7191c1c538333afa887fbd5d_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 2356 wrote to memory of 2644	2356	2024-04-16_d782aeed7191c1c538333afa887fbd5d_cryptolocker.exe	28
PID 2356 wrote to memory of 2644	2356	2024-04-16_d782aeed7191c1c538333afa887fbd5d_cryptolocker.exe	28
PID 2356 wrote to memory of 2644	2356	2024-04-16_d782aeed7191c1c538333afa887fbd5d_cryptolocker.exe	28
PID 2356 wrote to memory of 2644	2356	2024-04-16_d782aeed7191c1c538333afa887fbd5d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-16_d782aeed7191c1c538333afa887fbd5d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_d782aeed7191c1c538333afa887fbd5d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2644

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\asih.exe

Filesize
45KB

MD5
81347d8197acbd80300419ed34ed3296

SHA1
dbade0b79f21fbbb246496b5f9f5d1b97560c176

SHA256
4c1e92240708f8112f726f2f6fc6c1af7a74b20cc6f684091921878221891b55

SHA512
8234b8af49af8ed662f9aee27179ade72b18f71c33c6eb93ac64652b415da920cfedb35e5a343befcb4461c011262237f3a582fa8443f1b454d5199aa8257641

Download Submit
memory/2356-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2356-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2356-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2356-2-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2356-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2644-18-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2644-20-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2644-17-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download