2dd9ec4710d4d4c0752abc6af17df9fd665f0c5197028cf5efdbb067dc818691

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
21-05-2024 15:41

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General

Target

2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe
Size

46KB
MD5

6c95ead0ead69831fb83485d7f294c04
SHA1

6831c757a058b4aa5ea10353a72c47339fa05659
SHA256

2dd9ec4710d4d4c0752abc6af17df9fd665f0c5197028cf5efdbb067dc818691
SHA512

449da51c1b23583676ea744a93938cb4186450cdfaa2c8fa16d073bca2b6ae5f3125694df4dce5344635be0c34c1ec7f56d55936b5e614abca703f6cd40da89a
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkF:P6Q0ElP6G+gJQMOtEvwDpjB8WMl6

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2220-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2
behavioral1/memory/2220-13-0x0000000002880000-0x000000000288B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2220-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1748-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1748-27-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2220-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1
behavioral1/memory/2220-13-0x0000000002880000-0x000000000288B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2220-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1748-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1748-27-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

1748 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe

pid process

2220 2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1748	asih.exe

pid	process
2220	2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe

description	pid	process	target process
PID 2220 wrote to memory of 1748	2220	2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe	asih.exe
PID 2220 wrote to memory of 1748	2220	2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe	asih.exe
PID 2220 wrote to memory of 1748	2220	2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe	asih.exe
PID 2220 wrote to memory of 1748	2220	2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_6c95ead0ead69831fb83485d7f294c04_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2220

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:1748

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
47KB

MD5
0e885fbc6684808c35028b1206648430

SHA1
93876eb01a278e98a578e1606ca5e88f16d2e5e0

SHA256
bba253b9cd4f15590fbf8bae345063d938c87057bfb115055675271c59244971

SHA512
e02e6fe940fa582b236d9d17c6d5e625a171af7e6ff2e6e3dd24a0fa4d6d6dcaa888953e909e8cb5f8b86dc5719315c3927ac9170382f6ed8e65752974eacf20

Download Submit
memory/1748-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1748-19-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/1748-26-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1748-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2220-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2220-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2220-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2220-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2220-13-0x0000000002880000-0x000000000288B000-memory.dmp

Filesize
44KB

Download
memory/2220-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download