ytstealer | 8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59

Analysis

max time kernel
40s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/08/2022, 02:09

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General

Target

8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe
Size

4.0MB
MD5

1b0ca419190ec26ca96315dd0d0c0825
SHA1

3dcafee02abd721f026cb7021744931decaffd68
SHA256

8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59
SHA512

9348520c149cf78bd4540dd3546d9e1cbdc0835cd8e5fb893cfd2b207ad5bdcd4a9860bbbe713d04ebcbd5865c8170348b9ff5edf3e9d5fffaae338b5d248aba
SSDEEP

98304:B7ZwwFFhG5SQ4URNywPeElm46ucNulbTGWqyvko4HcWY:5Zww9GgdURNKt46ucNuVbqIx

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/1088-54-0x0000000000F10000-0x0000000001CE9000-memory.dmp	family_ytstealer
behavioral1/memory/1088-56-0x0000000000F10000-0x0000000001CE9000-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/1088-54-0x0000000000F10000-0x0000000001CE9000-memory.dmp	upx
behavioral1/memory/1088-56-0x0000000000F10000-0x0000000001CE9000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
900	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	8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe
1088	8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 900	1088	8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe	27
PID 1088 wrote to memory of 900	1088	8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe	27
PID 1088 wrote to memory of 900	1088	8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe	27
PID 900 wrote to memory of 572	900	cmd.exe	29
PID 900 wrote to memory of 572	900	cmd.exe	29
PID 900 wrote to memory of 572	900	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe
"C:\Users\Admin\AppData\Local\Temp\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.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\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:900
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:572

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/1088-54-0x0000000000F10000-0x0000000001CE9000-memory.dmp

Filesize
13.8MB

Download
memory/1088-56-0x0000000000F10000-0x0000000001CE9000-memory.dmp

Filesize
13.8MB

Download