ytstealer | dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c

Analysis

max time kernel
51s
max time network
181s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
15-09-2022 03:35

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General

Target

dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe
Size

4.0MB
MD5

148e1ad6541bab2335689bcdbf1f1c90
SHA1

373d281dbe13538bebb3abf728f9e8530f1e3de1
SHA256

dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c
SHA512

fb4aca6054b7a334831e3c17e60709de73ee081c006daf81945bdc0219c8b22c1871f4ad1185fd1fa141ca482a891ee5aab5405eb8def4b2f88c53b02ed03207
SSDEEP

98304:2emOBBB+kSDxxOMp8AtZhhM1eirpfvXAWxDD3g/vq2qoDMkN:22BBD6OMptZhhMZtfvXbxDD3MLqBk

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
behavioral2/memory/4760-120-0x0000000000F40000-0x0000000001D18000-memory.dmp	family_ytstealer
behavioral2/memory/4760-123-0x0000000000F40000-0x0000000001D18000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4760-120-0x0000000000F40000-0x0000000001D18000-memory.dmp	upx
behavioral2/memory/4760-123-0x0000000000F40000-0x0000000001D18000-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

Processes:

dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe

pid	process
4760	dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe
4760	dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe
4760	dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe
4760	dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.execmd.exe

description	pid	process	target process
PID 4760 wrote to memory of 2420	4760	dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe	cmd.exe
PID 4760 wrote to memory of 2420	4760	dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe	cmd.exe
PID 2420 wrote to memory of 4548	2420	cmd.exe	choice.exe
PID 2420 wrote to memory of 4548	2420	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe
"C:\Users\Admin\AppData\Local\Temp\dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4760

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\dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2420

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4548

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2420-121-0x0000000000000000-mapping.dmp

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memory/4548-122-0x0000000000000000-mapping.dmp

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memory/4760-120-0x0000000000F40000-0x0000000001D18000-memory.dmp

Filesize
13.8MB

Download
memory/4760-123-0x0000000000F40000-0x0000000001D18000-memory.dmp

Filesize
13.8MB

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