ytstealer | 1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
15-09-2022 03:23

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General

Target

1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.exe
Size

4.0MB
MD5

977c1094dce77ceecd310080f7fafba7
SHA1

f8be16c0e9748ff8b7f6688107ea16a5de216351
SHA256

1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af
SHA512

0ed104581ac7ad37188c611431c23bcb6f095d14a548686b0b8f97ff8301e667345d3d94acdc66b0244e0c2f1a6a29f03348548e6da5371d755505c63d57e2bd
SSDEEP

98304:hNN+3hOpoZGictQNZO8zgmZk6tJWCVOmLuoa3eH0:3kRdZzcZMZk6fWuioauH

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/2028-54-0x00000000001E0000-0x0000000000FA8000-memory.dmp	family_ytstealer
behavioral1/memory/2028-57-0x00000000001E0000-0x0000000000FA8000-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/2028-54-0x00000000001E0000-0x0000000000FA8000-memory.dmp	upx
behavioral1/memory/2028-57-0x00000000001E0000-0x0000000000FA8000-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:

1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.exe

pid	process
2028	1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.exe
2028	1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.execmd.exe

description	pid	process	target process
PID 2028 wrote to memory of 1148	2028	1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.exe	cmd.exe
PID 2028 wrote to memory of 1148	2028	1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.exe	cmd.exe
PID 2028 wrote to memory of 1148	2028	1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.exe	cmd.exe
PID 1148 wrote to memory of 836	1148	cmd.exe	choice.exe
PID 1148 wrote to memory of 836	1148	cmd.exe	choice.exe
PID 1148 wrote to memory of 836	1148	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.exe
"C:\Users\Admin\AppData\Local\Temp\1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2028
- 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\1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1148
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:836

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/836-56-0x0000000000000000-mapping.dmp

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memory/1148-55-0x0000000000000000-mapping.dmp

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memory/2028-54-0x00000000001E0000-0x0000000000FA8000-memory.dmp

Filesize
13.8MB

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memory/2028-57-0x00000000001E0000-0x0000000000FA8000-memory.dmp

Filesize
13.8MB

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