Overview
overview
10Static
static
10BlitzedGrabberV12.rar
windows7-x64
10BlitzedGrabberV12.rar
windows10-2004-x64
3BlitzedGra...12.exe
windows7-x64
10BlitzedGra...12.exe
windows10-2004-x64
10BlitzedGra...ME.txt
windows7-x64
1BlitzedGra...ME.txt
windows10-2004-x64
1BlitzedGra...OR.dll
windows7-x64
1BlitzedGra...OR.dll
windows10-2004-x64
1BlitzedGra...to.dll
windows7-x64
1BlitzedGra...to.dll
windows10-2004-x64
1BlitzedGra...on.dll
windows7-x64
1BlitzedGra...on.dll
windows10-2004-x64
1BlitzedGra...le.exe
windows7-x64
3BlitzedGra...le.exe
windows10-2004-x64
3BlitzedGra...ww.exe
windows7-x64
10BlitzedGra...ww.exe
windows10-2004-x64
10BlitzedGra...y5.exe
windows7-x64
10BlitzedGra...y5.exe
windows10-2004-x64
10Analysis
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max time kernel
455s -
max time network
459s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
05-05-2024 17:25
Behavioral task
behavioral1
Sample
BlitzedGrabberV12.rar
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
BlitzedGrabberV12.rar
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
BlitzedGrabberV12/BlitzedGrabberV12.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
BlitzedGrabberV12/BlitzedGrabberV12.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral5
Sample
BlitzedGrabberV12/README.txt
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
BlitzedGrabberV12/README.txt
Resource
win10v2004-20240419-en
Behavioral task
behavioral7
Sample
BlitzedGrabberV12/Resources/APIFOR.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
BlitzedGrabberV12/Resources/APIFOR.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral9
Sample
BlitzedGrabberV12/Resources/BouncyCastle.Crypto.dll
Resource
win7-20240215-en
Behavioral task
behavioral10
Sample
BlitzedGrabberV12/Resources/BouncyCastle.Crypto.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral11
Sample
BlitzedGrabberV12/Resources/Newtonsoft.Json.dll
Resource
win7-20240220-en
Behavioral task
behavioral12
Sample
BlitzedGrabberV12/Resources/Newtonsoft.Json.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral13
Sample
BlitzedGrabberV12/Resources/UltraEmbeddable.exe
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
BlitzedGrabberV12/Resources/UltraEmbeddable.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral15
Sample
BlitzedGrabberV12/Resources/ww.exe
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
BlitzedGrabberV12/Resources/ww.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral17
Sample
BlitzedGrabberV12/Resources/yhyty5.exe
Resource
win7-20231129-en
Behavioral task
behavioral18
Sample
BlitzedGrabberV12/Resources/yhyty5.exe
Resource
win10v2004-20240426-en
General
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Target
BlitzedGrabberV12/Resources/ww.exe
-
Size
59KB
-
MD5
21d2cd5e50a4fea2868725cbf2bd43dd
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SHA1
2eede1b89427f9cf5b9c144f9ab2cac79439e029
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SHA256
809236959232884def77d8da2aa283a8ad4c77824932cd06a4188a21a6581bc3
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SHA512
1eacde6ef8c47fe8f6b1d6b8479453fbddd4531fb4dc3bec83eaaa261b5ae3ed963c6d862b4e92862aefa4bc069c5a190390df6edfdfded69e0778651c1bfca8
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SSDEEP
768:bv8q4lFep7sfOCROyzDxEQK76Yt5Qb7jTIajt9K0fZOv11yL6N9gE5WHpGV:Dt4lffROyzECZ41yLg9gEgJS
Malware Config
Signatures
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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 1 IoCs
resource yara_rule behavioral16/memory/4516-0-0x00000000002E0000-0x00000000002F6000-memory.dmp family_stormkitty -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
flow ioc 28 discord.com 29 discord.com 30 discord.com 32 discord.com 33 discord.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 18 checkip.dyndns.org -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4516 ww.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4516 wrote to memory of 4252 4516 ww.exe 91 PID 4516 wrote to memory of 4252 4516 ww.exe 91 PID 4252 wrote to memory of 2784 4252 cmd.exe 93 PID 4252 wrote to memory of 2784 4252 cmd.exe 93 PID 4252 wrote to memory of 1300 4252 cmd.exe 94 PID 4252 wrote to memory of 1300 4252 cmd.exe 94 PID 4252 wrote to memory of 1720 4252 cmd.exe 95 PID 4252 wrote to memory of 1720 4252 cmd.exe 95 PID 4516 wrote to memory of 4444 4516 ww.exe 96 PID 4516 wrote to memory of 4444 4516 ww.exe 96 PID 4444 wrote to memory of 2440 4444 cmd.exe 98 PID 4444 wrote to memory of 2440 4444 cmd.exe 98 PID 4444 wrote to memory of 4728 4444 cmd.exe 99 PID 4444 wrote to memory of 4728 4444 cmd.exe 99 PID 4444 wrote to memory of 3584 4444 cmd.exe 100 PID 4444 wrote to memory of 3584 4444 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12\Resources\ww.exe"C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12\Resources\ww.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All2⤵
- Suspicious use of WriteProcessMemory
PID:4252 -
C:\Windows\system32\chcp.comchcp 650013⤵PID:2784
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C:\Windows\system32\netsh.exenetsh wlan show profile3⤵PID:1300
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C:\Windows\system32\findstr.exefindstr All3⤵PID:1720
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile name=65001 key=clear | findstr Key2⤵
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Windows\system32\chcp.comchcp 650013⤵PID:2440
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C:\Windows\system32\netsh.exenetsh wlan show profile name=65001 key=clear3⤵PID:4728
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C:\Windows\system32\findstr.exefindstr Key3⤵PID:3584
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1B
MD568b329da9893e34099c7d8ad5cb9c940
SHA1adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
SHA25601ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
SHA512be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09