ytstealer | 644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf

Analysis

max time kernel
54s
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 01:52

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General

Target

644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe
Size

4.0MB
MD5

09d3afb7d99d9427a0b78a78ac8ef883
SHA1

eeb068eb36d0dc604243e28977c2e676cfcbe0c4
SHA256

644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf
SHA512

c2c2d4b8ef6268dc96946ce970825f228bff155343eaad9ba3678fad1569f902ce41296ba2aea8d532d913f76ddc8ce5b73eaa6dc848555ff8ad8c274e3739e1
SSDEEP

98304:gfdtjArWSNORffL3ERKLxc4QVbBORBdrdFMZCi7:gfdT3rYKFngeBtKp

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

Processes:

resource	yara_rule
behavioral2/memory/1524-116-0x00000000008E0000-0x00000000016A9000-memory.dmp	family_ytstealer
behavioral2/memory/1524-119-0x00000000008E0000-0x00000000016A9000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1524-116-0x00000000008E0000-0x00000000016A9000-memory.dmp	upx
behavioral2/memory/1524-119-0x00000000008E0000-0x00000000016A9000-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

Processes:

644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe

pid	process
1524	644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe
1524	644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe
1524	644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe
1524	644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.execmd.exe

description	pid	process	target process
PID 1524 wrote to memory of 3996	1524	644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe	cmd.exe
PID 1524 wrote to memory of 3996	1524	644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe	cmd.exe
PID 3996 wrote to memory of 5064	3996	cmd.exe	choice.exe
PID 3996 wrote to memory of 5064	3996	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe
"C:\Users\Admin\AppData\Local\Temp\644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1524

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\644d7ba1dfc9826aa44aad038aa5d968c15fc5a02c7dc6b7df2b57dfe23e7eaf.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:3996

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:5064

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1524-116-0x00000000008E0000-0x00000000016A9000-memory.dmp

Filesize
13.8MB

Download
memory/1524-119-0x00000000008E0000-0x00000000016A9000-memory.dmp

Filesize
13.8MB

Download
memory/3996-117-0x0000000000000000-mapping.dmp

Download
memory/5064-118-0x0000000000000000-mapping.dmp

Download