ytstealer | 1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249

Analysis

max time kernel
45s
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 01:15

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General

Target

1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe
Size

4.0MB
MD5

297fd5aaaf704a6022d29c23e827a5d4
SHA1

ba089c969c638c2343dfd43e741e2a9851e8f0b9
SHA256

1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249
SHA512

6a6ca4c889700405e5c6708f9691020abfe025c0b5ff0cede222812449982b78f105c8576dbeec494e54c1afc0b3c00e13f32bbc552fb9ed18784d8ae28d6fa3
SSDEEP

98304:nz4et3RJKexAuPYZu2pBKaXmnXQ7sS3SkLD:8et6iRYZu2+GHCkLD

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/1764-54-0x0000000000BB0000-0x0000000001988000-memory.dmp	family_ytstealer
behavioral1/memory/1764-57-0x0000000000BB0000-0x0000000001988000-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/1764-54-0x0000000000BB0000-0x0000000001988000-memory.dmp	upx
behavioral1/memory/1764-57-0x0000000000BB0000-0x0000000001988000-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:

1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe

pid	process
1764	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe
1764	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.execmd.exe

description	pid	process	target process
PID 1764 wrote to memory of 1276	1764	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe	cmd.exe
PID 1764 wrote to memory of 1276	1764	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe	cmd.exe
PID 1764 wrote to memory of 1276	1764	1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe	cmd.exe
PID 1276 wrote to memory of 1608	1276	cmd.exe	choice.exe
PID 1276 wrote to memory of 1608	1276	cmd.exe	choice.exe
PID 1276 wrote to memory of 1608	1276	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe
"C:\Users\Admin\AppData\Local\Temp\1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1764

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\1191d202cfc098f7d5529bd1cac8d1724e8807c9d94961203799cc7096112249.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1608

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/1276-55-0x0000000000000000-mapping.dmp

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memory/1608-56-0x0000000000000000-mapping.dmp

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memory/1764-54-0x0000000000BB0000-0x0000000001988000-memory.dmp

Filesize
13.8MB

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memory/1764-57-0x0000000000BB0000-0x0000000001988000-memory.dmp

Filesize
13.8MB

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