ytstealer | 2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80

Analysis

max time kernel
50s
max time network
180s
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, 01:33

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General

Target
2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80.exe
Size 4.0MB
Sample220830-byq4daahd8
SHA256 2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80
MD5 0730070dbf1e127925130a214084e5a8
SHA1 a3d76f71b39e2d053677b3e680b7546008ba622c
SHA512 59194c6125f260876c9e0f1ba133829107c424ea680b776343e29c619266504d8124cc9c6bd4186a67d2dfafd561f85191703db408a79894bec6cb0c5123a763
SSDEEP 98304:Q0KoszYK5E+5S/uNtJM87SBkhp7SIVb8nJlj4AggZInUBeZ76fGA:Q6io+MGK12hEpnJXgQInUQ7R
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/3828-116-0x00000000009F0000-0x00000000017C9000-memory.dmp	family_ytstealer
behavioral2/memory/3828-118-0x00000000009F0000-0x00000000017C9000-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/3828-116-0x00000000009F0000-0x00000000017C9000-memory.dmp	upx
behavioral2/memory/3828-118-0x00000000009F0000-0x00000000017C9000-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
3828	2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80.exe
3828	2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80.exe
3828	2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80.exe
3828	2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 5104	3828	2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80.exe	67
PID 3828 wrote to memory of 5104	3828	2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80.exe	67
PID 5104 wrote to memory of 5116	5104	cmd.exe	69
PID 5104 wrote to memory of 5116	5104	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80.exe
"C:\Users\Admin\AppData\Local\Temp\2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3828
- 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\2f5010a9ab673a7e3f89f8e994a4f71ae3377152574d8b8043c17f1e697f6e80.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5104
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:5116

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/3828-116-0x00000000009F0000-0x00000000017C9000-memory.dmp

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memory/3828-118-0x00000000009F0000-0x00000000017C9000-memory.dmp

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