ytstealer | 4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91

Analysis

max time kernel
50s
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, 01:44

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General

Target
4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91.exe
Size 4.0MB
Sample220830-b55v4saacj
SHA256 4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91
MD5 6f52ed9b5202a39f19dfd01125bcf25e
SHA1 3eac733611c9f8be376eaaff31107fa766d69d7b
SHA512 c1b5b69396c717ddf40ad88390d0077b3e00ef5a36cc778b244bf78753411477e118d1a38ab5374abf7f30c2cf80597468c86ba0b5923f6cca2b66b84aa90f3a
SSDEEP 98304:Fvldp6Yzt9fT2xKazMro5htwDjqNkB+KdxYymXBTS:1ld9PfT4MrKOgOxYF
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
behavioral2/memory/1816-120-0x0000000000CD0000-0x0000000001A98000-memory.dmp	family_ytstealer
behavioral2/memory/1816-123-0x0000000000CD0000-0x0000000001A98000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1816-120-0x0000000000CD0000-0x0000000001A98000-memory.dmp	upx
behavioral2/memory/1816-123-0x0000000000CD0000-0x0000000001A98000-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

pid	Process
1816	4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91.exe
1816	4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91.exe
1816	4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91.exe
1816	4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 3460	1816	4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91.exe	67
PID 1816 wrote to memory of 3460	1816	4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91.exe	67
PID 3460 wrote to memory of 3420	3460	cmd.exe	69
PID 3460 wrote to memory of 3420	3460	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91.exe
"C:\Users\Admin\AppData\Local\Temp\4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1816
- 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\4daa899b29dadd8692bdb7aa02d38fcfd53f720970b9429ac7e1380f0baa4c91.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3460
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:3420

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/1816-120-0x0000000000CD0000-0x0000000001A98000-memory.dmp

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memory/1816-123-0x0000000000CD0000-0x0000000001A98000-memory.dmp

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