blustealer | 9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45

General

Target

9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe
Size

780KB
MD5

a4d36cd35902d578b47f4df2fc122f89
SHA1

2786e84c4f4a32a2113061c4798109f78e36f001
SHA256

9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45
SHA512

76fd3ed7609deb143e4c490bb40defc5473d9e164cda1bc9e2d3b58ecbb9b9d7cad52696503e3ef7d17a13797eedd734d6e8f1c9dbe8ccb0da1183d2426921da
SSDEEP

12288:i/8LhfMZtCa6VjHv06y62IfpsrQxq6naK9A4Sp:TlTfp2IsAlna2Sp

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5412597166:AAGUaWxuTxxhNb-NRhiURcTMzuW9nhGoEs/sendMessage?chat_id=932962718

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 4 IoCs

resource	yara_rule
behavioral1/memory/548-78-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/548-79-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/548-81-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/548-83-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

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
4	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1516 set thread context of 912	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	31
PID 912 set thread context of 548	912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1612	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	powershell.exe
Token: SeDebugPrivilege	548	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1612	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	27
PID 1516 wrote to memory of 1612	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	27
PID 1516 wrote to memory of 1612	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	27
PID 1516 wrote to memory of 1612	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	27
PID 1516 wrote to memory of 1336	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	29
PID 1516 wrote to memory of 1336	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	29
PID 1516 wrote to memory of 1336	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	29
PID 1516 wrote to memory of 1336	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	29
PID 1516 wrote to memory of 912	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	31
PID 1516 wrote to memory of 912	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	31
PID 1516 wrote to memory of 912	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	31
PID 1516 wrote to memory of 912	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	31
PID 1516 wrote to memory of 912	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	31
PID 1516 wrote to memory of 912	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	31
PID 1516 wrote to memory of 912	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	31
PID 1516 wrote to memory of 912	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	31
PID 1516 wrote to memory of 912	1516	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	31
PID 912 wrote to memory of 548	912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	32
PID 912 wrote to memory of 548	912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	32
PID 912 wrote to memory of 548	912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	32
PID 912 wrote to memory of 548	912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	32
PID 912 wrote to memory of 548	912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	32
PID 912 wrote to memory of 548	912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	32
PID 912 wrote to memory of 548	912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	32
PID 912 wrote to memory of 548	912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	32
PID 912 wrote to memory of 548	912	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe
"C:\Users\Admin\AppData\Local\Temp\9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HDtIhBGvY.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1612
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HDtIhBGvY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A15.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1336
- C:\Users\Admin\AppData\Local\Temp\9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe
  "C:\Users\Admin\AppData\Local\Temp\9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:912
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Accesses Microsoft Outlook profiles
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3A15.tmp

Filesize
1KB

MD5
3e75fbabdcea14a89e37134f5c96581f

SHA1
d5ae2be9d4dc1b3e05f55c3beda80dc3518283ef

SHA256
e5b5446a084cc527873b099c0a7024935d081333119e932bbeb506ae08a2caf1

SHA512
f596582bf78fe7c7fece14cd31813d32d82e7e313ae0029e1216b47980e3fa8cae674d8fe721d1fadc9d91a1ca79b5dbf91cef4804b186f2aed31c22fb2bb09e

Download Submit
memory/548-83-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/548-81-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/548-78-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/548-76-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/912-88-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/912-64-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/912-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/912-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/912-85-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/912-69-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/912-72-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1516-55-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/1516-58-0x0000000005AA0000-0x0000000005B22000-memory.dmp

Filesize
520KB

Download
memory/1516-57-0x00000000007D0000-0x00000000007DC000-memory.dmp

Filesize
48KB

Download
memory/1516-56-0x0000000000650000-0x0000000000664000-memory.dmp

Filesize
80KB

Download
memory/1516-54-0x0000000000870000-0x0000000000938000-memory.dmp

Filesize
800KB

Download
memory/1516-63-0x0000000004E90000-0x0000000004EBC000-memory.dmp

Filesize
176KB

Download
memory/1612-86-0x0000000074220000-0x00000000747CB000-memory.dmp

Filesize
5.7MB

Download
memory/1612-87-0x0000000074220000-0x00000000747CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads