ytstealer | d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
15-09-2022 03:35

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General

Target

d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.exe
Size

4.0MB
MD5

4a606ae94ecbbe4a00a140ed06a3b179
SHA1

8be744b97b23511466210c976ccf905adbbb5304
SHA256

d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a
SHA512

52171445974e004c35d02b2edc68621d16b94a71d34369dee9499af5ad6e74368ece69de12928ed7aa4f86b78a1fe8429d26e951bd8eaf0aed012ef48ac33834
SSDEEP

98304:iGG2RhzlqdEN98lyvZVet5JPmgqHY+MhyKWecAM:iT48XkvZYPIY+Uc

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
behavioral1/memory/1676-54-0x0000000000FD0000-0x0000000001D99000-memory.dmp	family_ytstealer
behavioral1/memory/1676-57-0x0000000000FD0000-0x0000000001D99000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1676-54-0x0000000000FD0000-0x0000000001D99000-memory.dmp	upx
behavioral1/memory/1676-57-0x0000000000FD0000-0x0000000001D99000-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

Processes:

d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.exe

pid	Process
1676	d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.exe
1676	d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.execmd.exe

description	pid	Process	procid_target
PID 1676 wrote to memory of 432	1676	d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.exe	29
PID 1676 wrote to memory of 432	1676	d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.exe	29
PID 1676 wrote to memory of 432	1676	d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.exe	29
PID 432 wrote to memory of 892	432	cmd.exe	31
PID 432 wrote to memory of 892	432	cmd.exe	31
PID 432 wrote to memory of 892	432	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.exe
"C:\Users\Admin\AppData\Local\Temp\d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1676
- 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\d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:432
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:892

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/432-55-0x0000000000000000-mapping.dmp

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memory/892-56-0x0000000000000000-mapping.dmp

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memory/1676-54-0x0000000000FD0000-0x0000000001D99000-memory.dmp

Filesize
13.8MB

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memory/1676-57-0x0000000000FD0000-0x0000000001D99000-memory.dmp

Filesize
13.8MB

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