ytstealer | fb2531ceb87041b5efcdc08683f555e8691a6855ce3d54152adea2b010bd795f

Analysis

max time kernel
54s
max time network
183s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
20/07/2022, 08:23

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General

Target

FB2531CEB87041B5EFCDC08683F555E8691A6855CE3D54152ADEA2B010BD795F.exe
Size

4.0MB
MD5

c060b7c24ad52c6630b028b0347e61a6
SHA1

322d9a717b5866d8104b59ef353d24a8ff883a46
SHA256

fb2531ceb87041b5efcdc08683f555e8691a6855ce3d54152adea2b010bd795f
SHA512

2e8d7a3ddf1f3bb8a441b6a1f6f554cf1d05e48b895c6885349c3a69a9c78d34afd77c12b6574d71752e07ac336f7ef0937f7b8078636980b6fa6b4f86b169ff

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/1848-117-0x00000000002B0000-0x0000000001079000-memory.dmp	family_ytstealer
behavioral2/memory/1848-120-0x00000000002B0000-0x0000000001079000-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/1848-117-0x00000000002B0000-0x0000000001079000-memory.dmp	upx
behavioral2/memory/1848-120-0x00000000002B0000-0x0000000001079000-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
1848	FB2531CEB87041B5EFCDC08683F555E8691A6855CE3D54152ADEA2B010BD795F.exe
1848	FB2531CEB87041B5EFCDC08683F555E8691A6855CE3D54152ADEA2B010BD795F.exe
1848	FB2531CEB87041B5EFCDC08683F555E8691A6855CE3D54152ADEA2B010BD795F.exe
1848	FB2531CEB87041B5EFCDC08683F555E8691A6855CE3D54152ADEA2B010BD795F.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 3744	1848	FB2531CEB87041B5EFCDC08683F555E8691A6855CE3D54152ADEA2B010BD795F.exe	69
PID 1848 wrote to memory of 3744	1848	FB2531CEB87041B5EFCDC08683F555E8691A6855CE3D54152ADEA2B010BD795F.exe	69
PID 3744 wrote to memory of 3980	3744	cmd.exe	68
PID 3744 wrote to memory of 3980	3744	cmd.exe	68

C:\Users\Admin\AppData\Local\Temp\FB2531CEB87041B5EFCDC08683F555E8691A6855CE3D54152ADEA2B010BD795F.exe
"C:\Users\Admin\AppData\Local\Temp\FB2531CEB87041B5EFCDC08683F555E8691A6855CE3D54152ADEA2B010BD795F.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1848
- 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\FB2531CEB87041B5EFCDC08683F555E8691A6855CE3D54152ADEA2B010BD795F.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3744

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
1⤵
PID:3980

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/1848-117-0x00000000002B0000-0x0000000001079000-memory.dmp

Filesize
13.8MB

Download
memory/1848-120-0x00000000002B0000-0x0000000001079000-memory.dmp

Filesize
13.8MB

Download