69c2f4bd8b8cac9e8f7e5c49d671155fdfec397a5f18f4cd4d60097823869a41

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 05:52

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General

Target

2024-03-12_ae721611d44ad41ea89bb0aac9d7f31f_cryptolocker.exe
Size

52KB
MD5

ae721611d44ad41ea89bb0aac9d7f31f
SHA1

05372e9122587675c0831935922f3113d23c10e6
SHA256

69c2f4bd8b8cac9e8f7e5c49d671155fdfec397a5f18f4cd4d60097823869a41
SHA512

5ab7095a55356393af177e90c539018cc4c2b0622abb5c16f842213abc140a8c89fd415ad3af779e0b93432357ff10baf1f4e5baf247ae9b99ebe9fb5e29ad19
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKIRs5xwg4K:79mqyNhQMOtEvwDpjBxe8TpXRWcK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1992-1-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d000000012253-11.dat	CryptoLocker_rule2
behavioral1/memory/1992-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1992-13-0x00000000003D0000-0x00000000003DF000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2524-18-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1992-1-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000d000000012253-11.dat	CryptoLocker_set1
behavioral1/memory/1992-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1992-13-0x00000000003D0000-0x00000000003DF000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2524-18-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2524	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1992	2024-03-12_ae721611d44ad41ea89bb0aac9d7f31f_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 1992 wrote to memory of 2524	1992	2024-03-12_ae721611d44ad41ea89bb0aac9d7f31f_cryptolocker.exe	28
PID 1992 wrote to memory of 2524	1992	2024-03-12_ae721611d44ad41ea89bb0aac9d7f31f_cryptolocker.exe	28
PID 1992 wrote to memory of 2524	1992	2024-03-12_ae721611d44ad41ea89bb0aac9d7f31f_cryptolocker.exe	28
PID 1992 wrote to memory of 2524	1992	2024-03-12_ae721611d44ad41ea89bb0aac9d7f31f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_ae721611d44ad41ea89bb0aac9d7f31f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_ae721611d44ad41ea89bb0aac9d7f31f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2524

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
52KB

MD5
626b4f58918cae72e113f7e02a6f45e1

SHA1
4cb2b5e89fafd1feec60f11a0a8fca4545bd36f1

SHA256
666a6b718cc571a10a6be16d940c525d8cfe05a51df7986acd304663c07755b1

SHA512
342f6f64419e26f8df5a9e3c1dd6617dadc83c8235a366b58a6a83957b61179a4c104bd7851abb8c1f34ca55b09a24f9c5f0cbb1fc29ac75eea00c09feb4c84c

Download Submit
memory/1992-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1992-1-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1992-3-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1992-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1992-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1992-13-0x00000000003D0000-0x00000000003DF000-memory.dmp

Filesize
60KB

Download
memory/2524-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download