ytstealer | 17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d

Analysis

max time kernel
165s
max time network
179s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
15-09-2022 03:23

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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
behavioral2/memory/2652-116-0x0000000000A80000-0x0000000001849000-memory.dmp	family_ytstealer
behavioral2/memory/2652-118-0x0000000000A80000-0x0000000001849000-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/2652-116-0x0000000000A80000-0x0000000001849000-memory.dmp	upx
behavioral2/memory/2652-118-0x0000000000A80000-0x0000000001849000-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:

17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe

pid	process
2652	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
2652	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
2652	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
2652	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.execmd.exe

description	pid	process	target process
PID 2652 wrote to memory of 2392	2652	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe	cmd.exe
PID 2652 wrote to memory of 2392	2652	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe	cmd.exe
PID 2392 wrote to memory of 4952	2392	cmd.exe	choice.exe
PID 2392 wrote to memory of 4952	2392	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:2652

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⤵
- Suspicious use of WriteProcessMemory
PID:2392

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4952

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/2392-117-0x0000000000000000-mapping.dmp

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memory/2652-116-0x0000000000A80000-0x0000000001849000-memory.dmp

Filesize
13.8MB

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memory/2652-118-0x0000000000A80000-0x0000000001849000-memory.dmp

Filesize
13.8MB

Download
memory/4952-119-0x0000000000000000-mapping.dmp

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