ytstealer | 357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f

Analysis

max time kernel
52s
max time network
183s
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 01:37

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General

Target

357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe
Size

4.0MB
MD5

e2000fde77951994b583b3fdadce18fd
SHA1

8308cc2a7c8a9e038b8d7d4765c192d1986e2b5d
SHA256

357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f
SHA512

b691edae0036a5cb4ba89da2600214a83293ad1adb57e55e124389acfe61d1cae1170eb24d54c4f9095c15e9418de323820eb4ac1af2096f62569e37906395f9
SSDEEP

98304:BImcVtATWwlltFgcg2/2AfC0R0oxWnyW+uu8yjZ1fYfRTQETlzBI1X:WfATWMlVfC0R0Fp+uu8yjDfYfRTBCF

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/2684-115-0x00000000012A0000-0x0000000002079000-memory.dmp	family_ytstealer
behavioral2/memory/2684-117-0x00000000012A0000-0x0000000002079000-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/2684-115-0x00000000012A0000-0x0000000002079000-memory.dmp	upx
behavioral2/memory/2684-117-0x00000000012A0000-0x0000000002079000-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:

357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe

pid	process
2684	357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe
2684	357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe
2684	357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe
2684	357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.execmd.exe

description	pid	process	target process
PID 2684 wrote to memory of 2068	2684	357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe	cmd.exe
PID 2684 wrote to memory of 2068	2684	357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe	cmd.exe
PID 2068 wrote to memory of 1768	2068	cmd.exe	choice.exe
PID 2068 wrote to memory of 1768	2068	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe
"C:\Users\Admin\AppData\Local\Temp\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2684

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\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2068

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1768

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/1768-118-0x0000000000000000-mapping.dmp

Download
memory/2068-116-0x0000000000000000-mapping.dmp

Download
memory/2684-115-0x00000000012A0000-0x0000000002079000-memory.dmp

Filesize
13.8MB

Download
memory/2684-117-0x00000000012A0000-0x0000000002079000-memory.dmp

Filesize
13.8MB

Download