ytstealer | 96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f

Analysis

max time kernel
51s
max time network
177s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
30/08/2022, 02:11

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General

Target
96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f.exe
Size 4.0MB
Sample220830-cmcmaaachq
SHA256 96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f
MD5 0da0ee55db6452d7c04516452cd9ec13
SHA1 47383338923070c3631f1822ac99b0fe179d0267
SHA512 d0c2efcc55c8f82412d594c866f058663c0e74c0e2ac2550c7cc06223bb4ee98746a1ed05280902ea03597f8508f6a12844dcf6ba560e79293113acf440fd7c9
SSDEEP 98304:Xi6as3yQQi4Hyn3Bec5kM1hHTBxBNTlCL/m3B:XLDPQ1ejq0HHvlt3
MD5 SHA1 SHA512 SSDEEP

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
behavioral2/memory/2688-115-0x0000000000FC0000-0x0000000001D88000-memory.dmp	family_ytstealer
behavioral2/memory/2688-117-0x0000000000FC0000-0x0000000001D88000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2688-115-0x0000000000FC0000-0x0000000001D88000-memory.dmp	upx
behavioral2/memory/2688-117-0x0000000000FC0000-0x0000000001D88000-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 4 IoCs

pid	Process
2688	96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f.exe
2688	96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f.exe
2688	96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f.exe
2688	96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2104	2688	96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f.exe	67
PID 2688 wrote to memory of 2104	2688	96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f.exe	67
PID 2104 wrote to memory of 4792	2104	cmd.exe	69
PID 2104 wrote to memory of 4792	2104	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f.exe
"C:\Users\Admin\AppData\Local\Temp\96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2688
- 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\96b8b08cc8a90b652e91e551b8d2cb7bf2eec2a73a07897e7ca388a25162866f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4792

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

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Downloads

memory/2688-115-0x0000000000FC0000-0x0000000001D88000-memory.dmp

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memory/2688-117-0x0000000000FC0000-0x0000000001D88000-memory.dmp

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