ytstealer | 735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506

Analysis

max time kernel
42s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 02:01

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General

Target

735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.exe
Size

4.0MB
MD5

ac324bb2898f21a287a68db796110896
SHA1

feceb2ca384301006500956215b2f721b11d7685
SHA256

735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506
SHA512

3af870e7c9e747f61c9aa60c3949a38c4a455c0c7101e9db44eb60fb05e92a9bee89456665b70affcfa89f73049a35416a34e6d363dd893b14fd411c2327666a
SSDEEP

98304:nQT43T521Tv9vSS/fnLrictcy1JK0/TbzeDQ+rogors:nQ852RNSS/fLrZmSbbaQ+rogo

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/1184-54-0x0000000000020000-0x0000000000DF9000-memory.dmp	family_ytstealer
behavioral1/memory/1184-57-0x0000000000020000-0x0000000000DF9000-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/1184-54-0x0000000000020000-0x0000000000DF9000-memory.dmp	upx
behavioral1/memory/1184-57-0x0000000000020000-0x0000000000DF9000-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:

735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.exe

pid	process
1184	735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.exe
1184	735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.execmd.exe

description	pid	process	target process
PID 1184 wrote to memory of 648	1184	735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.exe	cmd.exe
PID 1184 wrote to memory of 648	1184	735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.exe	cmd.exe
PID 1184 wrote to memory of 648	1184	735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.exe	cmd.exe
PID 648 wrote to memory of 636	648	cmd.exe	choice.exe
PID 648 wrote to memory of 636	648	cmd.exe	choice.exe
PID 648 wrote to memory of 636	648	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.exe
"C:\Users\Admin\AppData\Local\Temp\735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1184
- 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\735ee8f8ebddf606592c427924e473c140574193dfc7a11acb9512c1c0f74506.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:648
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:636

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/636-56-0x0000000000000000-mapping.dmp

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memory/648-55-0x0000000000000000-mapping.dmp

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memory/1184-54-0x0000000000020000-0x0000000000DF9000-memory.dmp

Filesize
13.8MB

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memory/1184-57-0x0000000000020000-0x0000000000DF9000-memory.dmp

Filesize
13.8MB

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