ytstealer | 325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70

Analysis

max time kernel
37s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/08/2022, 01:35

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General

Target
325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe
Size 4.0MB
Sample220830-bz4e4aahf7
SHA256 325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70
MD5 c3a2f32f8e28de0c3da940a20c10ec6d
SHA1 4441343764f427468a2becf77e4e5fba3962995d
SHA512 42682cf2becc5216bc52fadc845f8a2f6cfb753fc754a83771542dbe9a4e47b7bae6cca2a8aa93c8591315b265a66f4852e90bf041a387d99764bd80f9c5b77b
SSDEEP 98304:L403ZfmsuB4LWXS/sQDRpWs25JAuYHXUA5MGGaKJr04:U03ZkQf/sQFkPUueUA5R4
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 1 IoCs

resource	yara_rule
behavioral1/memory/1928-56-0x0000000000CF0000-0x0000000001AB8000-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/1928-54-0x0000000000CF0000-0x0000000001AB8000-memory.dmp	upx
behavioral1/memory/1928-56-0x0000000000CF0000-0x0000000001AB8000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1808	cmd.exe

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
1928	325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe
1928	325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 1808	1928	325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe	27
PID 1928 wrote to memory of 1808	1928	325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe	27
PID 1928 wrote to memory of 1808	1928	325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe	27
PID 1808 wrote to memory of 860	1808	cmd.exe	29
PID 1808 wrote to memory of 860	1808	cmd.exe	29
PID 1808 wrote to memory of 860	1808	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe
"C:\Users\Admin\AppData\Local\Temp\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1928
- 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\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1808
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:860

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/1928-54-0x0000000000CF0000-0x0000000001AB8000-memory.dmp

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memory/1928-56-0x0000000000CF0000-0x0000000001AB8000-memory.dmp

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