ytstealer | 1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249

Analysis

max time kernel
110s
max time network
179s
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 01:15

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General

Target

1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe
Size

4.0MB
MD5

297fd5aaaf704a6022d29c23e827a5d4
SHA1

ba089c969c638c2343dfd43e741e2a9851e8f0b9
SHA256

1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249
SHA512

6a6ca4c889700405e5c6708f9691020abfe025c0b5ff0cede222812449982b78f105c8576dbeec494e54c1afc0b3c00e13f32bbc552fb9ed18784d8ae28d6fa3
SSDEEP

98304:nz4et3RJKexAuPYZu2pBKaXmnXQ7sS3SkLD:8et6iRYZu2+GHCkLD

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/2300-120-0x0000000000EF0000-0x0000000001CC8000-memory.dmp	family_ytstealer
behavioral2/memory/2300-122-0x0000000000EF0000-0x0000000001CC8000-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/2300-120-0x0000000000EF0000-0x0000000001CC8000-memory.dmp	upx
behavioral2/memory/2300-122-0x0000000000EF0000-0x0000000001CC8000-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:

1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe

pid	process
2300	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe
2300	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe
2300	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe
2300	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.execmd.exe

description	pid	process	target process
PID 2300 wrote to memory of 4308	2300	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe	cmd.exe
PID 2300 wrote to memory of 4308	2300	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe	cmd.exe
PID 4308 wrote to memory of 5096	4308	cmd.exe	choice.exe
PID 4308 wrote to memory of 5096	4308	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe
"C:\Users\Admin\AppData\Local\Temp\1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2300

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\1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4308

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:5096

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/2300-120-0x0000000000EF0000-0x0000000001CC8000-memory.dmp

Filesize
13.8MB

Download
memory/2300-122-0x0000000000EF0000-0x0000000001CC8000-memory.dmp

Filesize
13.8MB

Download
memory/4308-121-0x0000000000000000-mapping.dmp

Download
memory/5096-123-0x0000000000000000-mapping.dmp

Download