ytstealer | 3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4

Analysis

max time kernel
52s
max time network
181s
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, 01:41

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General

Target
3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4.exe
Size 4.0MB
Sample220830-b39raabac8
SHA256 3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4
MD5 23194ead1c594b2fc17bdf0ff9f14e7f
SHA1 9ff70e5e430341d34323b180b9ea8de49a3071ee
SHA512 92dc140b35f798bbf944fa2e907e84feb8745bbf59190a5f5b851de14f6d4d546c2d8d6c6525b044d9d5864ceaad17853926d2f16694a5b35e2ce8d15375e361
SSDEEP 98304:eUSajavrf7m2MVFjhjGM6w/7bju8VJFHt7SER4iWXO:DSajavfm2MVBhKM1eKwE6iWXO
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/2456-115-0x0000000000830000-0x00000000015F8000-memory.dmp	family_ytstealer
behavioral2/memory/2456-118-0x0000000000830000-0x00000000015F8000-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/2456-115-0x0000000000830000-0x00000000015F8000-memory.dmp	upx
behavioral2/memory/2456-118-0x0000000000830000-0x00000000015F8000-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
2456	3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4.exe
2456	3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4.exe
2456	3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4.exe
2456	3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 5048	2456	3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4.exe	67
PID 2456 wrote to memory of 5048	2456	3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4.exe	67
PID 5048 wrote to memory of 4792	5048	cmd.exe	69
PID 5048 wrote to memory of 4792	5048	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4.exe
"C:\Users\Admin\AppData\Local\Temp\3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2456
- 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\3fd03e97e6f2458b005bdce0947812b5eba12f37580e4a961730fee4868b0fa4.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5048
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4792

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/2456-115-0x0000000000830000-0x00000000015F8000-memory.dmp

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memory/2456-118-0x0000000000830000-0x00000000015F8000-memory.dmp

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