ytstealer | 9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a

Analysis

max time kernel
51s
max time network
182s
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 02:13

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General

Target

9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe
Size

4.0MB
MD5

d6726e58e827b86f19edbf24045a8a5b
SHA1

511a55b5c461888260b7e5ac6a9efe3c3e5c29fc
SHA256

9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a
SHA512

e0089ca88048dabef6e9fe9565867ab84d8083383cfb7e33eb7b09609c940353f81626a4bf4e4561a713a9a29d333d2dcd3e2b49e1ca34a56209a28d038d7b65
SSDEEP

98304:RAa9fmUgT94N9DaGhN9FmBqXGpU+numsXh+3UjGa:1V7gTKF9ABq0nSY3Uj

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/4248-119-0x0000000001190000-0x0000000001F69000-memory.dmp	family_ytstealer
behavioral2/memory/4248-122-0x0000000001190000-0x0000000001F69000-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/4248-119-0x0000000001190000-0x0000000001F69000-memory.dmp	upx
behavioral2/memory/4248-122-0x0000000001190000-0x0000000001F69000-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:

9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe

pid	process
4248	9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe
4248	9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe
4248	9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe
4248	9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.execmd.exe

description	pid	process	target process
PID 4248 wrote to memory of 4472	4248	9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe	cmd.exe
PID 4248 wrote to memory of 4472	4248	9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe	cmd.exe
PID 4472 wrote to memory of 4592	4472	cmd.exe	choice.exe
PID 4472 wrote to memory of 4592	4472	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe
"C:\Users\Admin\AppData\Local\Temp\9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4248

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\9ec83314112951d92b0146f574b66a0dbf706fc4741c610e851f54f2fbfecd0a.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4472

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4592

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/4248-119-0x0000000001190000-0x0000000001F69000-memory.dmp

Filesize
13.8MB

Download
memory/4248-122-0x0000000001190000-0x0000000001F69000-memory.dmp

Filesize
13.8MB

Download
memory/4472-120-0x0000000000000000-mapping.dmp

Download
memory/4592-121-0x0000000000000000-mapping.dmp

Download