ytstealer | 65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702

Analysis

max time kernel
41s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 01:53

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General

Target

65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.exe
Size

4.0MB
MD5

7b1a51bc98c9640df17815951738f49e
SHA1

9a81c0ee4913dc11cc10b1fe6ac9dea36f31a9d2
SHA256

65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702
SHA512

ff3c35a5ae3264b0c9bac99cdeb360eb3ea27f4620f93eb3a6184d6cd359efc7c4550f003f4904834925a77603432e54c947974eefc94d7d3d195cbbebd70b10
SSDEEP

98304:SLgL33JHSphkl62XVCB9NZ57dk6uDIdHW85f1Ch+zX:cgLHJHhTVk957p4m5f1B

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/2020-54-0x0000000001300000-0x00000000020C9000-memory.dmp	family_ytstealer
behavioral1/memory/2020-57-0x0000000001300000-0x00000000020C9000-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/2020-54-0x0000000001300000-0x00000000020C9000-memory.dmp	upx
behavioral1/memory/2020-57-0x0000000001300000-0x00000000020C9000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1312 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
1312	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.exe

pid	process
2020	65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.exe
2020	65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.execmd.exe

description	pid	process	target process
PID 2020 wrote to memory of 1312	2020	65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.exe	cmd.exe
PID 2020 wrote to memory of 1312	2020	65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.exe	cmd.exe
PID 2020 wrote to memory of 1312	2020	65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.exe	cmd.exe
PID 1312 wrote to memory of 1880	1312	cmd.exe	choice.exe
PID 1312 wrote to memory of 1880	1312	cmd.exe	choice.exe
PID 1312 wrote to memory of 1880	1312	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.exe
"C:\Users\Admin\AppData\Local\Temp\65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2020

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\65bd4d259ee5fc9f09aa15dd5eb5406a41b46a7e37f662bd740810cce4543702.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1880

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

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Downloads

memory/1312-55-0x0000000000000000-mapping.dmp

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memory/1880-56-0x0000000000000000-mapping.dmp

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memory/2020-54-0x0000000001300000-0x00000000020C9000-memory.dmp

Filesize
13.8MB

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memory/2020-57-0x0000000001300000-0x00000000020C9000-memory.dmp

Filesize
13.8MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads