ytstealer | f0750d55d92ee592cf11d0fc6d1a62d21095406a5bcdfd8eab0c50d0831c7ad1

Analysis

max time kernel
45s
max time network
50s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
27-07-2022 06:36

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General

Target

F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.exe
Size

4.0MB
MD5

da98d6c84c0348af0211b8c0f22b2233
SHA1

7e4d1d2f4c213fb668b28532d6181c146f68e585
SHA256

f0750d55d92ee592cf11d0fc6d1a62d21095406a5bcdfd8eab0c50d0831c7ad1
SHA512

192517d3140284def632feb3ba8f4b37c71c51d9a12231311b5c9d82c4c30cd3db83814cf414018858df0818c57332a69be401a5520365f6d7d3c3d63615f07b

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/1668-54-0x0000000000950000-0x0000000001728000-memory.dmp	family_ytstealer
behavioral1/memory/1668-57-0x0000000000950000-0x0000000001728000-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/1668-54-0x0000000000950000-0x0000000001728000-memory.dmp	upx
behavioral1/memory/1668-57-0x0000000000950000-0x0000000001728000-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:

F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.exe

pid	process
1668	F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.exe
1668	F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.execmd.exe

description	pid	process	target process
PID 1668 wrote to memory of 608	1668	F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.exe	cmd.exe
PID 1668 wrote to memory of 608	1668	F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.exe	cmd.exe
PID 1668 wrote to memory of 608	1668	F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.exe	cmd.exe
PID 608 wrote to memory of 524	608	cmd.exe	choice.exe
PID 608 wrote to memory of 524	608	cmd.exe	choice.exe
PID 608 wrote to memory of 524	608	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.exe
"C:\Users\Admin\AppData\Local\Temp\F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1668
- 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\F0750D55D92EE592CF11D0FC6D1A62D21095406A5BCDFD8EAB0C50D0831C7AD1.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:608
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:524

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/524-56-0x0000000000000000-mapping.dmp

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memory/608-55-0x0000000000000000-mapping.dmp

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memory/1668-54-0x0000000000950000-0x0000000001728000-memory.dmp

Filesize
13.8MB

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memory/1668-57-0x0000000000950000-0x0000000001728000-memory.dmp

Filesize
13.8MB

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