ytstealer | 17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d

Analysis

max time kernel
37s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 01:20

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General

Target

17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
Size

4.0MB
MD5

c1637f5ef73ebcb8cc14a2e3ca18d5b8
SHA1

c031c68176ce10c6a37a898b315c9e140e5c9d55
SHA256

17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d
SHA512

b3c523c1959e200154e1cbc164c42ae141012bb23897f80dd03bfa50729be757f0f051346454eca7b12b8c1d244267d3bc24948cda08d2830dd65844d65ffcbc
SSDEEP

98304:n+QTI0+o+5jU+kbXyhGwzqd91b+H0c+NFB:NIG+BUt6qd9p+Hf+l

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/1504-54-0x0000000000C10000-0x00000000019D9000-memory.dmp	family_ytstealer
behavioral1/memory/1504-56-0x0000000000C10000-0x00000000019D9000-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/1504-54-0x0000000000C10000-0x00000000019D9000-memory.dmp	upx
behavioral1/memory/1504-56-0x0000000000C10000-0x00000000019D9000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1816 cmd.exe
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

pid	process
1816	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe

pid	process
1504	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
1504	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.execmd.exe

description	pid	process	target process
PID 1504 wrote to memory of 1816	1504	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe	cmd.exe
PID 1504 wrote to memory of 1816	1504	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe	cmd.exe
PID 1504 wrote to memory of 1816	1504	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe	cmd.exe
PID 1816 wrote to memory of 468	1816	cmd.exe	choice.exe
PID 1816 wrote to memory of 468	1816	cmd.exe	choice.exe
PID 1816 wrote to memory of 468	1816	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
"C:\Users\Admin\AppData\Local\Temp\17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1504

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\17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:468

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

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Downloads

memory/468-57-0x0000000000000000-mapping.dmp

Download
memory/1504-54-0x0000000000C10000-0x00000000019D9000-memory.dmp

Filesize
13.8MB

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memory/1504-56-0x0000000000C10000-0x00000000019D9000-memory.dmp

Filesize
13.8MB

Download
memory/1816-55-0x0000000000000000-mapping.dmp

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