ebc7296fc3b719245e0784b5772725708be4b91cce69253eb0cfb0d365ca33b4

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:45

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General

Target

2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe
Size

52KB
MD5

b608eb7d7fe3abc9ae95a8bbd9429cd8
SHA1

36fe02d23642bdcc37521cd30cffa5dd41806043
SHA256

ebc7296fc3b719245e0784b5772725708be4b91cce69253eb0cfb0d365ca33b4
SHA512

c99f0482b849d1d49741d09a65bdffb453667905f29a8776adf57040eb0333c119f81c1c17b42e248342edbb5c2c1bb9ee131458440e2669c1a8278196427ea8
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaT6:X6QFElP6n+gJBMOtEvwDpjBtExmlu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2520 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe

pid process

1220 2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2520	asih.exe

pid	process
1220	2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe

description	pid	process	target process
PID 1220 wrote to memory of 2520	1220	2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe	asih.exe
PID 1220 wrote to memory of 2520	1220	2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe	asih.exe
PID 1220 wrote to memory of 2520	1220	2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe	asih.exe
PID 1220 wrote to memory of 2520	1220	2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_b608eb7d7fe3abc9ae95a8bbd9429cd8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2520

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
52KB

MD5
267622256605edc77f00cee3670c31c2

SHA1
ee3e5fdb8853975bce3df3a41ed308c637127fe8

SHA256
ce7f6603a71e843b910a054440d6fea8e72f42f4723253e45e8045b82dcc8864

SHA512
7820c730db96f1869e628ee13fc5a4e1e7334f11229b9ceb1197944bd5649439c4b49277ab5166f628bb7788c5ec30f32a34b04e418fa9d48df724621c11fefc

Download Submit
memory/1220-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1220-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1220-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2520-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2520-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download