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 1 IoCs

resource	yara_rule
behavioral2/memory/2320-152-0x0000000001220000-0x000000000123A000-memory.dmp	family_stormkitty

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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
37	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 3280	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	96
PID 3280 set thread context of 2320	3280	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	97

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
1260	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1496	powershell.exe
1496	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3280	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1496	powershell.exe
Token: SeDebugPrivilege	2320	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3280	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1496	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	92
PID 2040 wrote to memory of 1496	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	92
PID 2040 wrote to memory of 1496	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	92
PID 2040 wrote to memory of 1260	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	94
PID 2040 wrote to memory of 1260	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	94
PID 2040 wrote to memory of 1260	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	94
PID 2040 wrote to memory of 3280	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	96
PID 2040 wrote to memory of 3280	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	96
PID 2040 wrote to memory of 3280	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	96
PID 2040 wrote to memory of 3280	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	96
PID 2040 wrote to memory of 3280	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	96
PID 2040 wrote to memory of 3280	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	96
PID 2040 wrote to memory of 3280	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	96
PID 2040 wrote to memory of 3280	2040	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	96
PID 3280 wrote to memory of 2320	3280	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	97
PID 3280 wrote to memory of 2320	3280	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	97
PID 3280 wrote to memory of 2320	3280	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	97
PID 3280 wrote to memory of 2320	3280	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	97
PID 3280 wrote to memory of 2320	3280	9980dfcbb40e06f805dc8ad0d33d5ba063bf914e54f15f3b42d16aa494eafc45.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2040
- 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:1496
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HDtIhBGvY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp700F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1260
- 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:3280
- - 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:2320

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

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp700F.tmp

Filesize
1KB

MD5
845d33f23cc2079e34fa281ca2b3b05d

SHA1
48d57afe1ffb343d1b388617ff9ed930aaeca180

SHA256
72677509c0252b4c0de871603f2c42b42f1f877a1473018a6f5a622ec2f459fa

SHA512
2cb934b5b5f06aca726ed29700c957c4d770ee4dd1cead749815570b65cb2935fcad465e28f83c390462df320ddaf4de7fe1c6b026fbca4e92dac962e4cce658

Download Submit
memory/1496-149-0x00000000056A0000-0x00000000056C2000-memory.dmp

Filesize
136KB

Download
memory/1496-164-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

Filesize
32KB

Download
memory/1496-163-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

Filesize
104KB

Download
memory/1496-162-0x00000000079B0000-0x00000000079BE000-memory.dmp

Filesize
56KB

Download
memory/1496-161-0x0000000007A00000-0x0000000007A96000-memory.dmp

Filesize
600KB

Download
memory/1496-140-0x0000000002B90000-0x0000000002BC6000-memory.dmp

Filesize
216KB

Download
memory/1496-160-0x00000000077F0000-0x00000000077FA000-memory.dmp

Filesize
40KB

Download
memory/1496-143-0x00000000056F0000-0x0000000005D18000-memory.dmp

Filesize
6.2MB

Download
memory/1496-159-0x0000000007780000-0x000000000779A000-memory.dmp

Filesize
104KB

Download
memory/1496-158-0x0000000007DC0000-0x000000000843A000-memory.dmp

Filesize
6.5MB

Download
memory/1496-154-0x0000000006470000-0x000000000648E000-memory.dmp

Filesize
120KB

Download
memory/1496-157-0x0000000006A30000-0x0000000006A4E000-memory.dmp

Filesize
120KB

Download
memory/1496-150-0x0000000005DC0000-0x0000000005E26000-memory.dmp

Filesize
408KB

Download
memory/1496-156-0x0000000070FF0000-0x000000007103C000-memory.dmp

Filesize
304KB

Download
memory/1496-155-0x0000000007640000-0x0000000007672000-memory.dmp

Filesize
200KB

Download
memory/2040-133-0x0000000005BD0000-0x0000000006174000-memory.dmp

Filesize
5.6MB

Download
memory/2040-135-0x0000000005600000-0x000000000560A000-memory.dmp

Filesize
40KB

Download
memory/2040-136-0x0000000008F90000-0x000000000902C000-memory.dmp

Filesize
624KB

Download
memory/2040-132-0x0000000000BA0000-0x0000000000C68000-memory.dmp

Filesize
800KB

Download
memory/2040-134-0x0000000005620000-0x00000000056B2000-memory.dmp

Filesize
584KB

Download
memory/2040-137-0x0000000001450000-0x00000000014B6000-memory.dmp

Filesize
408KB

Download
memory/2320-152-0x0000000001220000-0x000000000123A000-memory.dmp

Filesize
104KB

Download
memory/3280-153-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3280-146-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3280-144-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3280-165-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads