ytstealer | 6c21057b47f4b84990aae1a7039621fc3c0bdebdbe3ea2685b6d1f15134cb068

Analysis

max time kernel
310s
max time network
317s
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 07:03

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General

Target

6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe
Size

4.0MB
MD5

5b07b328013bb904ffbd6aff6032ec74
SHA1

347bd61eb0fd12bee4990e234b848a4a936a72b8
SHA256

6c21057b47f4b84990aae1a7039621fc3c0bdebdbe3ea2685b6d1f15134cb068
SHA512

55e15259da0a06d311821a7cc88079bdc6ac23567e42c4348509846faa56e29b812845ddac7124b29db45409856d7f132a8ed0ec7b2cccf1f4f846c1e37dfe23

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2144-116-0x00000000002D0000-0x0000000001099000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2144-114-0x00000000002D0000-0x0000000001099000-memory.dmp	upx
behavioral2/memory/2144-116-0x00000000002D0000-0x0000000001099000-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:

6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe

pid	process
2144	6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe
2144	6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe
2144	6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe
2144	6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.execmd.exe

description	pid	process	target process
PID 2144 wrote to memory of 4572	2144	6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe	cmd.exe
PID 2144 wrote to memory of 4572	2144	6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe	cmd.exe
PID 4572 wrote to memory of 4176	4572	cmd.exe	choice.exe
PID 4572 wrote to memory of 4176	4572	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe
"C:\Users\Admin\AppData\Local\Temp\6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2144

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\6C21057B47F4B84990AAE1A7039621FC3C0BDEBDBE3EA2685B6D1F15134CB068.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4572

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4176

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/2144-114-0x00000000002D0000-0x0000000001099000-memory.dmp

Filesize
13.8MB

Download
memory/2144-116-0x00000000002D0000-0x0000000001099000-memory.dmp

Filesize
13.8MB

Download
memory/4176-117-0x0000000000000000-mapping.dmp

Download
memory/4572-115-0x0000000000000000-mapping.dmp

Download