ytstealer | 834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283

Analysis

max time kernel
44s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 02:06

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General

Target

834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.exe
Size

4.0MB
MD5

9242f83d4564324529df9e579e012199
SHA1

361ce79e2f71c7b9e0ce7182c8aaf81f2f11a0f6
SHA256

834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283
SHA512

f784dbc5f753594c83bbaf8666bdd82c3c89e574933d805349978d9511359e26e950a1f947e2296e6531c2145b0be15f61355ea6c89e0ce3b1f47d32707e6e24
SSDEEP

98304:iqPaYZNllsDLop5FBOykhV+bmMBp6wA6ZXnUDgXSaO6183CM89HC:iQa2ZQ8p5Kyk63kDI8

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/1560-54-0x0000000000B90000-0x0000000001959000-memory.dmp	family_ytstealer
behavioral1/memory/1560-57-0x0000000000B90000-0x0000000001959000-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/1560-54-0x0000000000B90000-0x0000000001959000-memory.dmp	upx
behavioral1/memory/1560-57-0x0000000000B90000-0x0000000001959000-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:

834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.exe

pid	process
1560	834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.exe
1560	834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.execmd.exe

description	pid	process	target process
PID 1560 wrote to memory of 332	1560	834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.exe	cmd.exe
PID 1560 wrote to memory of 332	1560	834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.exe	cmd.exe
PID 1560 wrote to memory of 332	1560	834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.exe	cmd.exe
PID 332 wrote to memory of 2000	332	cmd.exe	choice.exe
PID 332 wrote to memory of 2000	332	cmd.exe	choice.exe
PID 332 wrote to memory of 2000	332	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.exe
"C:\Users\Admin\AppData\Local\Temp\834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1560

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\834cf29eea05769d2fe29fc732dba45379824a65e8534c64d6944d2701d8d283.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:332

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2000

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/332-55-0x0000000000000000-mapping.dmp

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memory/1560-54-0x0000000000B90000-0x0000000001959000-memory.dmp

Filesize
13.8MB

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memory/1560-57-0x0000000000B90000-0x0000000001959000-memory.dmp

Filesize
13.8MB

Download
memory/2000-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads