ytstealer | 144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f

Analysis

max time kernel
37s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 01:17

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General

Target

144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.exe
Size

4.0MB
MD5

ed14330e544d855e7ff1607ac144835d
SHA1

139ecf44ebbe6c6933b8031ec74dd14dde5395f6
SHA256

144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f
SHA512

af604f96b5ec2c1dd1d3c51457e8ba4a6df3a146ed15ed88dd5b88971f92f4e445b925cb91881f8c85b189cfa369cde105b4e9bf6b9e2f20c491ce103fe02065
SSDEEP

98304:3Bl1tdaJJHxkJ2TNNsAbQNqkSfIYN7/pFDnvsLl0d:xl1tda/+J2TNJbQUfIMlvsGd

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/576-54-0x0000000000BF0000-0x00000000019B9000-memory.dmp	family_ytstealer
behavioral1/memory/576-57-0x0000000000BF0000-0x00000000019B9000-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/576-54-0x0000000000BF0000-0x00000000019B9000-memory.dmp	upx
behavioral1/memory/576-57-0x0000000000BF0000-0x00000000019B9000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

680 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

pid	process
680	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.exe

pid	process
576	144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.exe
576	144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.execmd.exe

description	pid	process	target process
PID 576 wrote to memory of 680	576	144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.exe	cmd.exe
PID 576 wrote to memory of 680	576	144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.exe	cmd.exe
PID 576 wrote to memory of 680	576	144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.exe	cmd.exe
PID 680 wrote to memory of 1740	680	cmd.exe	choice.exe
PID 680 wrote to memory of 1740	680	cmd.exe	choice.exe
PID 680 wrote to memory of 1740	680	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.exe
"C:\Users\Admin\AppData\Local\Temp\144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:576

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\144a51e08052b7836cfea9fd04fae1d9d3fd8c60708e16e695afd74934e7f02f.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:680

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1740

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/576-54-0x0000000000BF0000-0x00000000019B9000-memory.dmp

Filesize
13.8MB

Download
memory/576-57-0x0000000000BF0000-0x00000000019B9000-memory.dmp

Filesize
13.8MB

Download
memory/680-55-0x0000000000000000-mapping.dmp

Download
memory/1740-56-0x0000000000000000-mapping.dmp

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