ytstealer | 9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec

Analysis

max time kernel
40s
max time network
163s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
30-08-2022 02:12

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General

Target

9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe
Size

4.0MB
MD5

be6a47ee98b4111475dbd98d3d27be88
SHA1

815761391418f0a61430b7b6a05d43c11647badd
SHA256

9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec
SHA512

f6eab86f83595d100bf48f55d8b683dc3b04fd2232c7cf07f40cd0e6fef0a255ab12416a17ce3db976680478e430f55b478933a567dda0c2cdd9a164686409a5
SSDEEP

98304:UCT3m/u18FLDmG+ul5cd130f9hTAF1GsXpwMwg1BxCThtih:NTm/LLSd1Ef9h6DXpw7uh

Score

10^/10

ytstealer spyware stealer upx

Malware Config

Signatures

YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
stealer ytstealer

YTStealer payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2572-118-0x0000000000320000-0x00000000010F9000-memory.dmp	family_ytstealer
behavioral2/memory/2572-121-0x0000000000320000-0x00000000010F9000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2572-118-0x0000000000320000-0x00000000010F9000-memory.dmp	upx
behavioral2/memory/2572-121-0x0000000000320000-0x00000000010F9000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe

pid	process
2572	9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe
2572	9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe
2572	9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe
2572	9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.execmd.exe

description	pid	process	target process
PID 2572 wrote to memory of 1816	2572	9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe	cmd.exe
PID 2572 wrote to memory of 1816	2572	9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe	cmd.exe
PID 1816 wrote to memory of 5000	1816	cmd.exe	choice.exe
PID 1816 wrote to memory of 5000	1816	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe
"C:\Users\Admin\AppData\Local\Temp\9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2572

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\9df7176c20f48bc55b85306b49984ce616c6632b3afdcb68e93512f2633b53ec.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:5000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1816-119-0x0000000000000000-mapping.dmp

Download
memory/2572-118-0x0000000000320000-0x00000000010F9000-memory.dmp

Filesize
13.8MB

Download
memory/2572-121-0x0000000000320000-0x00000000010F9000-memory.dmp

Filesize
13.8MB

Download
memory/5000-120-0x0000000000000000-mapping.dmp

Download