ytstealer | 19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd

Analysis

max time kernel
75s
max time network
182s
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, 01:23

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General

Target
19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe
Size 4.0MB
Sample220830-brvg8aagd7
SHA256 19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd
MD5 188a2cf52285fc1de5d6049eb62b2b3a
SHA1 cd36dd0cc3a94cad8c1543fe0ad8dc711733a38b
SHA512 92dc3a3e1017fd9d9be82f193981dc69835584d7724d98ad152cfa315d8670d0b5982ebc4490e336df75f4c48dff82a4a3006ba309e403f15eb713d594c83feb
SSDEEP 98304:ar6lDfi7sPrTJCcfcNJU8gTiXLHaRnLfS:/lr5jTJ0NJU4LHatLf
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/2636-118-0x00000000002A0000-0x0000000001068000-memory.dmp	family_ytstealer
behavioral2/memory/2636-120-0x00000000002A0000-0x0000000001068000-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/2636-118-0x00000000002A0000-0x0000000001068000-memory.dmp	upx
behavioral2/memory/2636-120-0x00000000002A0000-0x0000000001068000-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
2636	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe
2636	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe
2636	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe
2636	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 1824	2636	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe	67
PID 2636 wrote to memory of 1824	2636	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe	67
PID 1824 wrote to memory of 2088	1824	cmd.exe	69
PID 1824 wrote to memory of 2088	1824	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe
"C:\Users\Admin\AppData\Local\Temp\19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2636
- 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\19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:2088

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

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Downloads

memory/2636-118-0x00000000002A0000-0x0000000001068000-memory.dmp

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memory/2636-120-0x00000000002A0000-0x0000000001068000-memory.dmp

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