ytstealer | 1897a5a90ff44754425b283a5785c6e7d8c1c840829f9d00b9306a0e224c25df

Analysis

max time kernel
37s
max time network
42s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
12-08-2022 06:54

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General

Target

1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.exe
Size

4.0MB
MD5

946ebbe1aff04d62bc636d0d42cc6fab
SHA1

0b7f86388a65860e2f43d5760f269b7ec0ae7056
SHA256

1897a5a90ff44754425b283a5785c6e7d8c1c840829f9d00b9306a0e224c25df
SHA512

384ed88301c002abf04586899e587273115c9ea1b4b17e9c5c494cb8aa5b891f3ce1ed31fb05c22e44b2c32ca14f4f678db12525b88f286646d2ade7bc49af75

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/1784-54-0x00000000008E0000-0x00000000016B9000-memory.dmp	family_ytstealer
behavioral1/memory/1784-57-0x00000000008E0000-0x00000000016B9000-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/1784-54-0x00000000008E0000-0x00000000016B9000-memory.dmp	upx
behavioral1/memory/1784-57-0x00000000008E0000-0x00000000016B9000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

616 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
616	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.exe

pid	process
1784	1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.exe
1784	1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.execmd.exe

description	pid	process	target process
PID 1784 wrote to memory of 616	1784	1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.exe	cmd.exe
PID 1784 wrote to memory of 616	1784	1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.exe	cmd.exe
PID 1784 wrote to memory of 616	1784	1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.exe	cmd.exe
PID 616 wrote to memory of 656	616	cmd.exe	choice.exe
PID 616 wrote to memory of 656	616	cmd.exe	choice.exe
PID 616 wrote to memory of 656	616	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.exe
"C:\Users\Admin\AppData\Local\Temp\1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1784

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\1897A5A90FF44754425B283A5785C6E7D8C1C840829F9D00B9306A0E224C25DF.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:656

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/616-55-0x0000000000000000-mapping.dmp

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memory/656-56-0x0000000000000000-mapping.dmp

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memory/1784-54-0x00000000008E0000-0x00000000016B9000-memory.dmp

Filesize
13.8MB

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memory/1784-57-0x00000000008E0000-0x00000000016B9000-memory.dmp

Filesize
13.8MB

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