f0317d747af2d685d484eaf56cf7d21aa677993be6c9a5066fae7cea87bee01e

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12-02-2024 19:57

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General

Target

2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe
Size

38KB
MD5

4b98a8803e5adb9861866f14e1e5aaf7
SHA1

4f75c4ae9a77c1086dc55918588d39e8a8bcdf77
SHA256

f0317d747af2d685d484eaf56cf7d21aa677993be6c9a5066fae7cea87bee01e
SHA512

709907263e35d35ea6bcc99d7d19bb02a86c127c37f1607f869fb6fd62ba9d8aff5a6075760d731c79d1dcfe3a214e230efe0357dffb9e2ffae021fedfa6cdce
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HW1p:X6QFElP6n+gJQMOtEvwDpjBsYWr

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

2448 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe

pid process

2292 2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2448	asih.exe

pid	process
2292	2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe

description	pid	process	target process
PID 2292 wrote to memory of 2448	2292	2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe	asih.exe
PID 2292 wrote to memory of 2448	2292	2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe	asih.exe
PID 2292 wrote to memory of 2448	2292	2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe	asih.exe
PID 2292 wrote to memory of 2448	2292	2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_4b98a8803e5adb9861866f14e1e5aaf7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2292

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2448

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
38KB

MD5
c98fcfc8df8a8de5b6c389faee688570

SHA1
db5409cf5c8519586c23119bc0cb2fdd51358f69

SHA256
d28947064eadc9445ca51a494aa3bd011172072e97fdcb287b5ad634393e6791

SHA512
e72b8df593b4819f47d508bcaff9c8e301bbc03b843307530c5716fd75df7ed86d14943fef1f420e2eb1721159b0ee0f1b4fff2739ec850446f87b1a15ae7b7b

Download Submit
memory/2292-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2292-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2292-4-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2448-15-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2448-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download