ytstealer | 37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/08/2022, 01:38

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General

Target

37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe
Size

4.0MB
MD5

2701033d21e002170ba74701bc43e318
SHA1

61b2e6a1e5cbe0ef2f7e29234af2e703e0698aeb
SHA256

37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355
SHA512

fcf656986080282380a4fa6b8f5931bbb594b7ad18574d2a96224f5fd94318bd7cf5a07b4acfadbd8c2400a4b817b47a390f90f2eb905d946f486b426eb1fcb4
SSDEEP

98304:qzFhhI+mgePySZ2oVAtIoz7T9St0d51nOwX13NMTV3kNiy1m:qZhhZ1eq4Atwt0dGwX138VkNiu

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
behavioral1/memory/1088-54-0x0000000001140000-0x0000000001F09000-memory.dmp	family_ytstealer
behavioral1/memory/1088-57-0x0000000001140000-0x0000000001F09000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1088-54-0x0000000001140000-0x0000000001F09000-memory.dmp	upx
behavioral1/memory/1088-57-0x0000000001140000-0x0000000001F09000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1764	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1088	37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe
1088	37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1764	1088	37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe	29
PID 1088 wrote to memory of 1764	1088	37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe	29
PID 1088 wrote to memory of 1764	1088	37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe	29
PID 1764 wrote to memory of 1332	1764	cmd.exe	31
PID 1764 wrote to memory of 1332	1764	cmd.exe	31
PID 1764 wrote to memory of 1332	1764	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe
"C:\Users\Admin\AppData\Local\Temp\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1088
- 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\37c78bff561491a320de992ff41277fd830e100c5ae3e7e83427f854b13c6355.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1764
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1332

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/1088-54-0x0000000001140000-0x0000000001F09000-memory.dmp

Filesize
13.8MB

Download
memory/1088-57-0x0000000001140000-0x0000000001F09000-memory.dmp

Filesize
13.8MB

Download