ytstealer | 8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a

Analysis

max time kernel
52s
max time network
176s
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 02:08

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General

Target

8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe
Size

4.0MB
MD5

4e90d708b8813a0a9e44cadf67bd101e
SHA1

a71c7d7eedc0f180b61f5781b4f8ca4e93ddbcb9
SHA256

8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a
SHA512

0475f14da1f73d98d5767691b59f95e18df5a7c40a388ed17e7ee8c6b58992bac1e6d5c3f8341c335462b3858f7a1d6b614f0471ae67a412306bb5352627ee0e
SSDEEP

98304:PvqIomm7x5vc2WIskx5791rOCAg8lNAO:8502WIt1qfDE

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/2144-120-0x00000000003E0000-0x00000000011B8000-memory.dmp	family_ytstealer
behavioral2/memory/2144-122-0x00000000003E0000-0x00000000011B8000-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/2144-120-0x00000000003E0000-0x00000000011B8000-memory.dmp	upx
behavioral2/memory/2144-122-0x00000000003E0000-0x00000000011B8000-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:

8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe

pid	process
2144	8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe
2144	8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe
2144	8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe
2144	8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.execmd.exe

description	pid	process	target process
PID 2144 wrote to memory of 1464	2144	8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe	cmd.exe
PID 2144 wrote to memory of 1464	2144	8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe	cmd.exe
PID 1464 wrote to memory of 2972	1464	cmd.exe	choice.exe
PID 1464 wrote to memory of 2972	1464	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe
"C:\Users\Admin\AppData\Local\Temp\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2144

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\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2972

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/1464-121-0x0000000000000000-mapping.dmp

Download
memory/2144-120-0x00000000003E0000-0x00000000011B8000-memory.dmp

Filesize
13.8MB

Download
memory/2144-122-0x00000000003E0000-0x00000000011B8000-memory.dmp

Filesize
13.8MB

Download
memory/2972-123-0x0000000000000000-mapping.dmp

Download