ytstealer | 2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398

Analysis

max time kernel
45s
max time network
50s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 01:23

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General

Target

2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.exe
Size

4.0MB
MD5

471f775c761f5b6dd31fedc8e3a1350b
SHA1

0f9e6515e9364279b63b86b5978c845240f51e9c
SHA256

2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398
SHA512

a63e4219d20cc92197bace9849895ff96e78f85840a1f9c059de12d8797a641801d1b4ed362be83c719259c5dc65b998f77ee4632718454de5d095c74e2112f9
SSDEEP

98304:FgPIo5vcyr1SMR2iQ7uxX4hLnApgyZIu7JI7g:Fbo5vt52iQK1qLAGXIJI7

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/1904-54-0x0000000001050000-0x0000000001E29000-memory.dmp	family_ytstealer
behavioral1/memory/1904-56-0x0000000001050000-0x0000000001E29000-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/1904-54-0x0000000001050000-0x0000000001E29000-memory.dmp	upx
behavioral1/memory/1904-56-0x0000000001050000-0x0000000001E29000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

820 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
820	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.exe

pid	process
1904	2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.exe
1904	2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.execmd.exe

description	pid	process	target process
PID 1904 wrote to memory of 820	1904	2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.exe	cmd.exe
PID 1904 wrote to memory of 820	1904	2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.exe	cmd.exe
PID 1904 wrote to memory of 820	1904	2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.exe	cmd.exe
PID 820 wrote to memory of 1304	820	cmd.exe	choice.exe
PID 820 wrote to memory of 1304	820	cmd.exe	choice.exe
PID 820 wrote to memory of 1304	820	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.exe
"C:\Users\Admin\AppData\Local\Temp\2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1904

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\2039dea342aa1e589203cbfbcda1bb56b8dc9caac73d512ad1be8e61b0bb8398.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:820

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1304

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/820-55-0x0000000000000000-mapping.dmp

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memory/1304-57-0x0000000000000000-mapping.dmp

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memory/1904-54-0x0000000001050000-0x0000000001E29000-memory.dmp

Filesize
13.8MB

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memory/1904-56-0x0000000001050000-0x0000000001E29000-memory.dmp

Filesize
13.8MB

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