ytstealer | 77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646

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 07:05

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General

Target

77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.exe
Size

4.0MB
MD5

68328241710d5f8912e08ca834c2bd63
SHA1

8e6d159aed1cf0041cae561d16f581d0b2b6d4ac
SHA256

77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646
SHA512

6dcbca3dab4caad434d052dadbf760c8c173ffbf99e5b4e3e9b44a99072a30ea77a73a97109d4e965e6f4be620251dec9aee11137f632c508220c2293f836a57

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/1956-54-0x0000000000A50000-0x0000000001819000-memory.dmp	family_ytstealer
behavioral1/memory/1956-57-0x0000000000A50000-0x0000000001819000-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/1956-54-0x0000000000A50000-0x0000000001819000-memory.dmp	upx
behavioral1/memory/1956-57-0x0000000000A50000-0x0000000001819000-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:

77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.exe

pid	process
1956	77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.exe
1956	77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.execmd.exe

description	pid	process	target process
PID 1956 wrote to memory of 1756	1956	77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.exe	cmd.exe
PID 1956 wrote to memory of 1756	1956	77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.exe	cmd.exe
PID 1956 wrote to memory of 1756	1956	77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.exe	cmd.exe
PID 1756 wrote to memory of 676	1756	cmd.exe	choice.exe
PID 1756 wrote to memory of 676	1756	cmd.exe	choice.exe
PID 1756 wrote to memory of 676	1756	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.exe
"C:\Users\Admin\AppData\Local\Temp\77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1956

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\77ADAF5DEA0FACF1E0D4F04FDADB88821345F33F9247BAE401F2CA1787E5F646.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:676

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/676-56-0x0000000000000000-mapping.dmp

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memory/1756-55-0x0000000000000000-mapping.dmp

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memory/1956-54-0x0000000000A50000-0x0000000001819000-memory.dmp

Filesize
13.8MB

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memory/1956-57-0x0000000000A50000-0x0000000001819000-memory.dmp

Filesize
13.8MB

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