ytstealer | f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
15-09-2022 03:36

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General

Target

f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.exe
Size

4.0MB
MD5

396c6ce6b1e7497796c102421ee9d757
SHA1

67b0d66287c2b4975c8338a0a48b4770bd92bd3d
SHA256

f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5
SHA512

a3c1ef261ba3bcf6f6dec7e9fae05c977e903a19bb08cf6625475b232af785f08cb8f4c37dc6aefa6552311705ca6ea3e23dd99cc6850611d9fdcd84948ca5f3
SSDEEP

98304:sxF0Ce5Gvf3uJ6R+sO8rQHHNVhpmLY0RLgOcyRF+:sxGCe5Gvf3BR+sOsQnuLYkLgLG

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/1736-54-0x00000000010D0000-0x0000000001E99000-memory.dmp	family_ytstealer
behavioral1/memory/1736-56-0x00000000010D0000-0x0000000001E99000-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/1736-54-0x00000000010D0000-0x0000000001E99000-memory.dmp	upx
behavioral1/memory/1736-56-0x00000000010D0000-0x0000000001E99000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

524 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

pid	process
524	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.exe

pid	process
1736	f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.exe
1736	f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.execmd.exe

description	pid	process	target process
PID 1736 wrote to memory of 524	1736	f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.exe	cmd.exe
PID 1736 wrote to memory of 524	1736	f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.exe	cmd.exe
PID 1736 wrote to memory of 524	1736	f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.exe	cmd.exe
PID 524 wrote to memory of 1112	524	cmd.exe	choice.exe
PID 524 wrote to memory of 1112	524	cmd.exe	choice.exe
PID 524 wrote to memory of 1112	524	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.exe
"C:\Users\Admin\AppData\Local\Temp\f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1736
- 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\f32e33a2aee1b833d1e1c57b759a72b5bfdb47a14ef69776dccf8147b7dff5c5.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:524
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1112

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/524-55-0x0000000000000000-mapping.dmp

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memory/1112-57-0x0000000000000000-mapping.dmp

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memory/1736-54-0x00000000010D0000-0x0000000001E99000-memory.dmp

Filesize
13.8MB

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memory/1736-56-0x00000000010D0000-0x0000000001E99000-memory.dmp

Filesize
13.8MB

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