ytstealer | 3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8

Analysis

max time kernel
44s
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 01:39

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General

Target

3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.exe
Size

4.0MB
MD5

153512c6b4ff21d7292831b08dbf6bab
SHA1

724501816dd397a985cca95edd912d73122e6887
SHA256

3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8
SHA512

8d246a8e66ba6ea1dc900e48a9247f4f6baa23f52821c54d926552ea0c47e566e518798d51d5260e2078ef55650d83761e4b3c74d105f9cfeed4d16b495d6a0c
SSDEEP

98304:vEUWrIfLfc71k1IbBZVnQrDK+zRvL/YvhQgpR2P6IMsS:vEUWrafciybBZVm1NL/yLs6Ia

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/1484-54-0x00000000011B0000-0x0000000001F89000-memory.dmp	family_ytstealer
behavioral1/memory/1484-57-0x00000000011B0000-0x0000000001F89000-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/1484-54-0x00000000011B0000-0x0000000001F89000-memory.dmp	upx
behavioral1/memory/1484-57-0x00000000011B0000-0x0000000001F89000-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:

3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.exe

pid	process
1484	3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.exe
1484	3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.execmd.exe

description	pid	process	target process
PID 1484 wrote to memory of 1796	1484	3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.exe	cmd.exe
PID 1484 wrote to memory of 1796	1484	3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.exe	cmd.exe
PID 1484 wrote to memory of 1796	1484	3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.exe	cmd.exe
PID 1796 wrote to memory of 1916	1796	cmd.exe	choice.exe
PID 1796 wrote to memory of 1916	1796	cmd.exe	choice.exe
PID 1796 wrote to memory of 1916	1796	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.exe
"C:\Users\Admin\AppData\Local\Temp\3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1484

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\3c4ae55e479c695d5aa5dc9ee43d94828d15c5704fafa94fb8123ef7a25485c8.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1796

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1916

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/1484-54-0x00000000011B0000-0x0000000001F89000-memory.dmp

Filesize
13.8MB

Download
memory/1484-57-0x00000000011B0000-0x0000000001F89000-memory.dmp

Filesize
13.8MB

Download
memory/1796-55-0x0000000000000000-mapping.dmp

Download
memory/1916-56-0x0000000000000000-mapping.dmp

Download