ytstealer | 19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd

Analysis

max time kernel
47s
max time network
52s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
behavioral1/memory/1708-54-0x00000000000F0000-0x0000000000EB8000-memory.dmp	family_ytstealer
behavioral1/memory/1708-57-0x00000000000F0000-0x0000000000EB8000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1708-54-0x00000000000F0000-0x0000000000EB8000-memory.dmp	upx
behavioral1/memory/1708-57-0x00000000000F0000-0x0000000000EB8000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1692	cmd.exe

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 2 IoCs

pid	Process
1708	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe
1708	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 1692	1708	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe	27
PID 1708 wrote to memory of 1692	1708	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe	27
PID 1708 wrote to memory of 1692	1708	19fcb9180dac41b26fde9e8bc55cde777a170131adb5075222004d71d33aaecd.exe	27
PID 1692 wrote to memory of 672	1692	cmd.exe	29
PID 1692 wrote to memory of 672	1692	cmd.exe	29
PID 1692 wrote to memory of 672	1692	cmd.exe	29

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:1708
- 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⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1692
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:672

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/1708-54-0x00000000000F0000-0x0000000000EB8000-memory.dmp

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memory/1708-57-0x00000000000F0000-0x0000000000EB8000-memory.dmp

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