ytstealer | 17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d

Analysis

max time kernel
52s
max time network
181s
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, 01:20

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General

Target
17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
Size 4.0MB
Sample220830-bp8xtsagb2
SHA256 17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d
MD5 c1637f5ef73ebcb8cc14a2e3ca18d5b8
SHA1 c031c68176ce10c6a37a898b315c9e140e5c9d55
SHA512 b3c523c1959e200154e1cbc164c42ae141012bb23897f80dd03bfa50729be757f0f051346454eca7b12b8c1d244267d3bc24948cda08d2830dd65844d65ffcbc
SSDEEP 98304:n+QTI0+o+5jU+kbXyhGwzqd91b+H0c+NFB:NIG+BUt6qd9p+Hf+l
MD5 SHA1 SHA512 SSDEEP

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

resource	yara_rule
behavioral2/memory/392-119-0x0000000000100000-0x0000000000EC9000-memory.dmp	family_ytstealer
behavioral2/memory/392-122-0x0000000000100000-0x0000000000EC9000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/392-119-0x0000000000100000-0x0000000000EC9000-memory.dmp	upx
behavioral2/memory/392-122-0x0000000000100000-0x0000000000EC9000-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

pid	Process
392	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
392	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
392	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe
392	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 4892	392	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe	67
PID 392 wrote to memory of 4892	392	17b2b9fea9e177b9a6bc33a3d2979e704c3e4ebdd3aa164b324a7e682f91994d.exe	67
PID 4892 wrote to memory of 2644	4892	cmd.exe	69
PID 4892 wrote to memory of 2644	4892	cmd.exe	69

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:392
- 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:4892
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:2644

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/392-119-0x0000000000100000-0x0000000000EC9000-memory.dmp

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memory/392-122-0x0000000000100000-0x0000000000EC9000-memory.dmp

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