ytstealer | 6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/08/2022, 01:56

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General

Target
6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c.exe
Size 4.0MB
Sample220830-cc6glsabfp
SHA256 6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c
MD5 1a2a40d7b4da9d7d63bed8ca312c0e5b
SHA1 f88167a46e6451842046150b3d22fee125d0f409
SHA512 32930088e7e213d5a3da0c5b9d452faa461fb17642e2ec369ccaf9a055bc2c362f18af4cd1286718349f0c900941d3536acfa2a837d09c4b01d75ba1e8333958
SSDEEP 49152:k8tFZBAwgaj8VOtlJEyig0O/HPVe98W/u7luCSX+jVav9sqbpemO8FKX+i5m6qs1:nFPgajoqlF0OPPVTWLL+jY1PQv8V1Hl
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/896-54-0x0000000000C60000-0x0000000001A38000-memory.dmp	family_ytstealer
behavioral1/memory/896-57-0x0000000000C60000-0x0000000001A38000-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/896-54-0x0000000000C60000-0x0000000001A38000-memory.dmp	upx
behavioral1/memory/896-57-0x0000000000C60000-0x0000000001A38000-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 2 IoCs

pid	Process
896	6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c.exe
896	6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 968	896	6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c.exe	28
PID 896 wrote to memory of 968	896	6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c.exe	28
PID 896 wrote to memory of 968	896	6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c.exe	28
PID 968 wrote to memory of 1564	968	cmd.exe	30
PID 968 wrote to memory of 1564	968	cmd.exe	30
PID 968 wrote to memory of 1564	968	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c.exe
"C:\Users\Admin\AppData\Local\Temp\6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:896
- 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\6c7f88e55c57084e53170b71776508a57ebc129349a82a264c0981b299749b9c.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:968
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1564

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/896-54-0x0000000000C60000-0x0000000001A38000-memory.dmp

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memory/896-57-0x0000000000C60000-0x0000000001A38000-memory.dmp

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