ytstealer | 2844e85a36a29a037eaf1273133b7a83f65c6db637443568703f0052dc7cb1c6

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
12-08-2022 06:56

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General

Target

2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe
Size

4.0MB
MD5

ea914f2309b04f7a061e41cccaa95b20
SHA1

d251f0ed55f5bcf928d5290e80d2551bc267a47c
SHA256

2844e85a36a29a037eaf1273133b7a83f65c6db637443568703f0052dc7cb1c6
SHA512

72129505f858d29bfe3751a1023a6618e2c22665d190dec7c3f89d81a7aa829a2837c32dd5959f92dbe2349d761521b73be2ec1480a14393b69d0f421582f03e

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

Processes:

resource	yara_rule
behavioral1/memory/1044-57-0x00000000011A0000-0x0000000001F79000-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/1044-54-0x00000000011A0000-0x0000000001F79000-memory.dmp	upx
behavioral1/memory/1044-57-0x00000000011A0000-0x0000000001F79000-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 2 IoCs

Processes:

2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe

pid	process
1044	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe
1044	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.execmd.exe

description	pid	process	target process
PID 1044 wrote to memory of 376	1044	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe	cmd.exe
PID 1044 wrote to memory of 376	1044	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe	cmd.exe
PID 1044 wrote to memory of 376	1044	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe	cmd.exe
PID 376 wrote to memory of 1156	376	cmd.exe	choice.exe
PID 376 wrote to memory of 1156	376	cmd.exe	choice.exe
PID 376 wrote to memory of 1156	376	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe
"C:\Users\Admin\AppData\Local\Temp\2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1044

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\2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:376

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1156

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/376-55-0x0000000000000000-mapping.dmp

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memory/1044-54-0x00000000011A0000-0x0000000001F79000-memory.dmp

Filesize
13.8MB

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memory/1044-57-0x00000000011A0000-0x0000000001F79000-memory.dmp

Filesize
13.8MB

Download
memory/1156-56-0x0000000000000000-mapping.dmp

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