ytstealer | 6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4

Analysis

max time kernel
306s
max time network
320s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 07:03

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General

Target

6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe
Size

4.0MB
MD5

4945783940926753d62da3141229556a
SHA1

3562e7321cf516d390af1e877d2a249d5e7d405f
SHA256

6ca42861f2abd2c81d9652a26349e9121f475d004935882e1bc555406c4efab4
SHA512

eae1595039b6aa1719cf8195adfe0f05cfa4dde1d8f6cd66e7757fbf3757a3c61b35d743e3d39d0672e869dc72d625b8c9b73b8905c1043eaf7f396d5757bb97

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2464-120-0x00000000001E0000-0x0000000000FA8000-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/2464-117-0x00000000001E0000-0x0000000000FA8000-memory.dmp	upx
behavioral2/memory/2464-120-0x00000000001E0000-0x0000000000FA8000-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:

6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe

pid	process
2464	6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe
2464	6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe
2464	6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe
2464	6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.execmd.exe

description	pid	process	target process
PID 2464 wrote to memory of 4196	2464	6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe	cmd.exe
PID 2464 wrote to memory of 4196	2464	6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe	cmd.exe
PID 4196 wrote to memory of 4400	4196	cmd.exe	choice.exe
PID 4196 wrote to memory of 4400	4196	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe
"C:\Users\Admin\AppData\Local\Temp\6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2464

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\6CA42861F2ABD2C81D9652A26349E9121F475D004935882E1BC555406C4EFAB4.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4196

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4400

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/2464-117-0x00000000001E0000-0x0000000000FA8000-memory.dmp

Filesize
13.8MB

Download
memory/2464-120-0x00000000001E0000-0x0000000000FA8000-memory.dmp

Filesize
13.8MB

Download
memory/4196-118-0x0000000000000000-mapping.dmp

Download
memory/4400-119-0x0000000000000000-mapping.dmp

Download