ytstealer | 2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29

Analysis

max time kernel
43s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 01:33

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General

Target

2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.exe
Size

4.0MB
MD5

945b70c2789c1bface3d2dacd082e276
SHA1

29bef81d193e553205a2879ff6e0507190cc84fe
SHA256

2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29
SHA512

2564aa8eace85edee22e14547c9dc5ea11f320728b30e178be8e7b780ddd9e354f18f9534670eb15d00f91ed9318ae76621fec149eeca25c806afb20d5858d76
SSDEEP

98304:F034SaW1x8oC2Y5vJFiQBa323NXGimR15mzE49HV2S1:F034goNTF423NXPZ4MHV2

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/1828-54-0x00000000009D0000-0x00000000017A8000-memory.dmp	family_ytstealer
behavioral1/memory/1828-57-0x00000000009D0000-0x00000000017A8000-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/1828-54-0x00000000009D0000-0x00000000017A8000-memory.dmp	upx
behavioral1/memory/1828-57-0x00000000009D0000-0x00000000017A8000-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:

2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.exe

pid	process
1828	2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.exe
1828	2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.execmd.exe

description	pid	process	target process
PID 1828 wrote to memory of 1768	1828	2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.exe	cmd.exe
PID 1828 wrote to memory of 1768	1828	2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.exe	cmd.exe
PID 1828 wrote to memory of 1768	1828	2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.exe	cmd.exe
PID 1768 wrote to memory of 1180	1768	cmd.exe	choice.exe
PID 1768 wrote to memory of 1180	1768	cmd.exe	choice.exe
PID 1768 wrote to memory of 1180	1768	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.exe
"C:\Users\Admin\AppData\Local\Temp\2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1828

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\2e75d02b11edbe64ec8f09baa95ca26b994e4d3cdf8797829ad7badba0930e29.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1180

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/1180-56-0x0000000000000000-mapping.dmp

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memory/1768-55-0x0000000000000000-mapping.dmp

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memory/1828-54-0x00000000009D0000-0x00000000017A8000-memory.dmp

Filesize
13.8MB

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memory/1828-57-0x00000000009D0000-0x00000000017A8000-memory.dmp

Filesize
13.8MB

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