ytstealer | ea50c625d8c9a7cb3b771c4320c122c86a2fc2a59552c88eac44fb56f84f9ee0

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
20/07/2022, 08:19

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General

Target

EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe
Size

4.0MB
MD5

50a5c8876a7aa8f179ce2a6e9275ab26
SHA1

b09cd1faac3c23468d10cc9952c34f4615bace8d
SHA256

ea50c625d8c9a7cb3b771c4320c122c86a2fc2a59552c88eac44fb56f84f9ee0
SHA512

0b72c1f12637d4a84d891fa7f70c228385e7e6fa14a85081c3c45006b1c1625bb6067b021187fc16d08981949c36da7e648743da5b3950a92e27c1347e63633c

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
behavioral1/memory/1936-54-0x0000000000D40000-0x0000000001B08000-memory.dmp	family_ytstealer
behavioral1/memory/1936-57-0x0000000000D40000-0x0000000001B08000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1936-54-0x0000000000D40000-0x0000000001B08000-memory.dmp	upx
behavioral1/memory/1936-57-0x0000000000D40000-0x0000000001B08000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
596	cmd.exe

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

pid	Process
1936	EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe
1936	EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 596	1936	EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe	29
PID 1936 wrote to memory of 596	1936	EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe	29
PID 1936 wrote to memory of 596	1936	EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe	29
PID 596 wrote to memory of 916	596	cmd.exe	31
PID 596 wrote to memory of 916	596	cmd.exe	31
PID 596 wrote to memory of 916	596	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe
"C:\Users\Admin\AppData\Local\Temp\EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1936
- 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\EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:596
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:916

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/1936-54-0x0000000000D40000-0x0000000001B08000-memory.dmp

Filesize
13.8MB

Download
memory/1936-57-0x0000000000D40000-0x0000000001B08000-memory.dmp

Filesize
13.8MB

Download