ytstealer | 6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4

Analysis

max time kernel
46s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/08/2022, 01:57

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General

Target
6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4.exe
Size 4.0MB
Sample220830-cda24aabfq
SHA256 6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4
MD5 4945783940926753d62da3141229556a
SHA1 3562e7321cf516d390af1e877d2a249d5e7d405f
SHA512 eae1595039b6aa1719cf8195adfe0f05cfa4dde1d8f6cd66e7757fbf3757a3c61b35d743e3d39d0672e869dc72d625b8c9b73b8905c1043eaf7f396d5757bb97
SSDEEP 98304:vnkIO5Zm4inlXfxQMxenWz/9aiVEq2Ves90owRR7+v:vnNO5EhfAnWz/8iVEhvwuv
MD5 SHA1 SHA512 SSDEEP

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

resource	yara_rule
behavioral1/memory/1680-54-0x0000000000100000-0x0000000000EC8000-memory.dmp	family_ytstealer
behavioral1/memory/1680-57-0x0000000000100000-0x0000000000EC8000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1680-54-0x0000000000100000-0x0000000000EC8000-memory.dmp	upx
behavioral1/memory/1680-57-0x0000000000100000-0x0000000000EC8000-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

pid	Process
1680	6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4.exe
1680	6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 376	1680	6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4.exe	29
PID 1680 wrote to memory of 376	1680	6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4.exe	29
PID 1680 wrote to memory of 376	1680	6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4.exe	29
PID 376 wrote to memory of 1324	376	cmd.exe	31
PID 376 wrote to memory of 1324	376	cmd.exe	31
PID 376 wrote to memory of 1324	376	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4.exe
"C:\Users\Admin\AppData\Local\Temp\6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1680
- 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\6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:376
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1324

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

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Downloads

memory/1680-54-0x0000000000100000-0x0000000000EC8000-memory.dmp

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memory/1680-57-0x0000000000100000-0x0000000000EC8000-memory.dmp

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