ytstealer | 18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78

Analysis

max time kernel
51s
max time network
179s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
15/09/2022, 03:23

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General

Target
18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78.exe
Size 4.0MB
Sample220915-dxth8abgh6
SHA256 18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78
MD5 ed6dddc2516c34092d53008a482784dc
SHA1 8569ebfeba7c442af07555325dffa09cb164d139
SHA512 93b83727d8311e52087cc30156ee8cc958474d47bd86d2f52424b0bfe34adc483d4980a29aef684ec69292024f57a444bb02b308a1cb254ae5bc48b809012e79
SSDEEP 98304:ttNhYl6DdXAUusbZ4IHdXFdacq21lkB9lMVCTWQi+Pb9Ei:ttjHDdXAUTaq/SywlMVB+RE
MD5 SHA1 SHA512 SSDEEP

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

resource	yara_rule
behavioral2/memory/3488-116-0x00000000003B0000-0x0000000001179000-memory.dmp	family_ytstealer
behavioral2/memory/3488-118-0x00000000003B0000-0x0000000001179000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3488-116-0x00000000003B0000-0x0000000001179000-memory.dmp	upx
behavioral2/memory/3488-118-0x00000000003B0000-0x0000000001179000-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

pid	Process
3488	18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78.exe
3488	18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78.exe
3488	18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78.exe
3488	18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 2228	3488	18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78.exe	67
PID 3488 wrote to memory of 2228	3488	18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78.exe	67
PID 2228 wrote to memory of 4272	2228	cmd.exe	69
PID 2228 wrote to memory of 4272	2228	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78.exe
"C:\Users\Admin\AppData\Local\Temp\18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3488
- 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\18fb5108dc25caac2c5cccff5583a297d3eff58ec86a28b6fd6b3e5c542c5f78.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4272

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/3488-116-0x00000000003B0000-0x0000000001179000-memory.dmp

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memory/3488-118-0x00000000003B0000-0x0000000001179000-memory.dmp

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