ytstealer | b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f

Analysis

max time kernel
141s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2022 04:29

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General

Target

kladievv_v0.7b_ranis_windows_64.exe
Size

4.0MB
MD5

16ff8074ba61c2a46cdb6c72c2c6057d
SHA1

5e7c56085209a3190a2a831fffefdeef192a6b25
SHA256

b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f
SHA512

674c22cee088d96d42d43aa7cbd7988c01318a211185be6767e43c50dbdf5e7f0dd9e65be123127744015e17c34415feef727a08f237e350ccd04068ce28ddce
SSDEEP

98304:6frhftGYPM0XYf+XVmWMscdmJ6DVAlyW7:6fZ3PMdf88dscd3Vhe

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1792-134-0x0000000000320000-0x00000000010F9000-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/1792-132-0x0000000000320000-0x00000000010F9000-memory.dmp	upx
behavioral2/memory/1792-134-0x0000000000320000-0x00000000010F9000-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:

kladievv_v0.7b_ranis_windows_64.exe

pid	process
1792	kladievv_v0.7b_ranis_windows_64.exe
1792	kladievv_v0.7b_ranis_windows_64.exe
1792	kladievv_v0.7b_ranis_windows_64.exe
1792	kladievv_v0.7b_ranis_windows_64.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

kladievv_v0.7b_ranis_windows_64.execmd.exe

description	pid	process	target process
PID 1792 wrote to memory of 4132	1792	kladievv_v0.7b_ranis_windows_64.exe	cmd.exe
PID 1792 wrote to memory of 4132	1792	kladievv_v0.7b_ranis_windows_64.exe	cmd.exe
PID 4132 wrote to memory of 4928	4132	cmd.exe	choice.exe
PID 4132 wrote to memory of 4928	4132	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\kladievv_v0.7b_ranis_windows_64.exe
"C:\Users\Admin\AppData\Local\Temp\kladievv_v0.7b_ranis_windows_64.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1792

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\kladievv_v0.7b_ranis_windows_64.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4132

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4928

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/1792-132-0x0000000000320000-0x00000000010F9000-memory.dmp

Filesize
13.8MB

Download
memory/1792-134-0x0000000000320000-0x00000000010F9000-memory.dmp

Filesize
13.8MB

Download
memory/4132-133-0x0000000000000000-mapping.dmp

Download
memory/4928-135-0x0000000000000000-mapping.dmp

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