ytstealer | 2844e85a36a29a037eaf1273133b7a83f65c6db637443568703f0052dc7cb1c6

Analysis

max time kernel
76s
max time network
187s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 06:56

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General

Target

2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe
Size

4.0MB
MD5

ea914f2309b04f7a061e41cccaa95b20
SHA1

d251f0ed55f5bcf928d5290e80d2551bc267a47c
SHA256

2844e85a36a29a037eaf1273133b7a83f65c6db637443568703f0052dc7cb1c6
SHA512

72129505f858d29bfe3751a1023a6618e2c22665d190dec7c3f89d81a7aa829a2837c32dd5959f92dbe2349d761521b73be2ec1480a14393b69d0f421582f03e

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/592-118-0x0000000001280000-0x0000000002059000-memory.dmp	family_ytstealer
behavioral2/memory/592-121-0x0000000001280000-0x0000000002059000-memory.dmp	family_ytstealer

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/592-117-0x0000000001280000-0x0000000002059000-memory.dmp	upx
behavioral2/memory/592-118-0x0000000001280000-0x0000000002059000-memory.dmp	upx
behavioral2/memory/592-121-0x0000000001280000-0x0000000002059000-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:

2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe

pid	process
592	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe
592	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe
592	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe
592	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.execmd.exe

description	pid	process	target process
PID 592 wrote to memory of 1496	592	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe	cmd.exe
PID 592 wrote to memory of 1496	592	2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe	cmd.exe
PID 1496 wrote to memory of 1356	1496	cmd.exe	choice.exe
PID 1496 wrote to memory of 1356	1496	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe
"C:\Users\Admin\AppData\Local\Temp\2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:592

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\2844E85A36A29A037EAF1273133B7A83F65C6DB637443568703F0052DC7CB1C6.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1356

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/592-117-0x0000000001280000-0x0000000002059000-memory.dmp

Filesize
13.8MB

Download
memory/592-118-0x0000000001280000-0x0000000002059000-memory.dmp

Filesize
13.8MB

Download
memory/592-121-0x0000000001280000-0x0000000002059000-memory.dmp

Filesize
13.8MB

Download
memory/1356-120-0x0000000000000000-mapping.dmp

Download
memory/1496-119-0x0000000000000000-mapping.dmp

Download