blustealer | af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f

General

Target

af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
Size

714KB
MD5

78f6fb28169a919b41474529ec8a59bc
SHA1

f34f60fe15ef696a0e666d9a32157e695aa334a3
SHA256

af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f
SHA512

333aef1e84ccbdc32c4e1016663516c2932be0e5e7f8d4299a5111236f4f8f5ff942686088531b45d0942c0136a71538d39932063844d60ee075a9411080f7d5
SSDEEP

12288:rKa+70n6pT/3Eb47XK6hTBr1pUviaB5jM24QE/+Fz:f+7ZTvEs2ql5AXHjz4Uz

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5732817033:AAFBYIIZmJ7NuvVwD7WRcbV9qwcOqT7RpwM/sendMessage?chat_id=1638137774

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/2124-160-0x0000000000D00000-0x0000000000D1A000-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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\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
38	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 4348	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	97
PID 4348 set thread context of 2124	4348	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	98

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
4800	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
2880	powershell.exe
2880	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4348	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
Token: SeDebugPrivilege	2880	powershell.exe
Token: SeDebugPrivilege	2124	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4348	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2880	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	92
PID 2824 wrote to memory of 2880	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	92
PID 2824 wrote to memory of 2880	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	92
PID 2824 wrote to memory of 4800	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	94
PID 2824 wrote to memory of 4800	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	94
PID 2824 wrote to memory of 4800	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	94
PID 2824 wrote to memory of 4328	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	96
PID 2824 wrote to memory of 4328	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	96
PID 2824 wrote to memory of 4328	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	96
PID 2824 wrote to memory of 4348	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	97
PID 2824 wrote to memory of 4348	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	97
PID 2824 wrote to memory of 4348	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	97
PID 2824 wrote to memory of 4348	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	97
PID 2824 wrote to memory of 4348	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	97
PID 2824 wrote to memory of 4348	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	97
PID 2824 wrote to memory of 4348	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	97
PID 2824 wrote to memory of 4348	2824	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	97
PID 4348 wrote to memory of 2124	4348	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	98
PID 4348 wrote to memory of 2124	4348	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	98
PID 4348 wrote to memory of 2124	4348	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	98
PID 4348 wrote to memory of 2124	4348	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	98
PID 4348 wrote to memory of 2124	4348	af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
"C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rxfPGfRcCOLI.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2880
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rxfPGfRcCOLI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D9E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4800
- C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
  "C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe"
  2⤵
  PID:4328
- C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe
  "C:\Users\Admin\AppData\Local\Temp\af79a9b723c54624d8dea2731d129d5fd69c30a77e8244d6b7964f414224ce3f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4348
- - 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:2124

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\tmp6D9E.tmp

Filesize
1KB

MD5
67206a2d0b5c4baf38f113dfa72b6d52

SHA1
c8337dc9e90c23d371072cd08cd418c6b92f0a8b

SHA256
2817677fa01b27bab326ec8744b7a29c4b192629eed1efd3f34ac8da887397ed

SHA512
99f166b5b5a04990b3b217e41540bcdea2dcfa748e9fb07b1cb6157c016eb03ca81e911f8567667a05753f431659436e7c9f662f8d37f0971d54b3e06fd03bb2

Download Submit
memory/2124-160-0x0000000000D00000-0x0000000000D1A000-memory.dmp

Filesize
104KB

Download
memory/2824-133-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/2824-134-0x00000000050F0000-0x0000000005182000-memory.dmp

Filesize
584KB

Download
memory/2824-135-0x00000000050C0000-0x00000000050CA000-memory.dmp

Filesize
40KB

Download
memory/2824-136-0x0000000007770000-0x000000000780C000-memory.dmp

Filesize
624KB

Download
memory/2824-137-0x0000000007B80000-0x0000000007BE6000-memory.dmp

Filesize
408KB

Download
memory/2824-132-0x0000000000660000-0x000000000071A000-memory.dmp

Filesize
744KB

Download
memory/2880-140-0x0000000004EF0000-0x0000000004F26000-memory.dmp

Filesize
216KB

Download
memory/2880-155-0x0000000070380000-0x00000000703CC000-memory.dmp

Filesize
304KB

Download
memory/2880-165-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

Filesize
32KB

Download
memory/2880-144-0x0000000005560000-0x0000000005B88000-memory.dmp

Filesize
6.2MB

Download
memory/2880-164-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

Filesize
104KB

Download
memory/2880-163-0x00000000079B0000-0x00000000079BE000-memory.dmp

Filesize
56KB

Download
memory/2880-151-0x0000000005D80000-0x0000000005DE6000-memory.dmp

Filesize
408KB

Download
memory/2880-149-0x0000000005CE0000-0x0000000005D02000-memory.dmp

Filesize
136KB

Download
memory/2880-152-0x0000000006470000-0x000000000648E000-memory.dmp

Filesize
120KB

Download
memory/2880-162-0x0000000007A00000-0x0000000007A96000-memory.dmp

Filesize
600KB

Download
memory/2880-154-0x0000000006AB0000-0x0000000006AE2000-memory.dmp

Filesize
200KB

Download
memory/2880-161-0x00000000077F0000-0x00000000077FA000-memory.dmp

Filesize
40KB

Download
memory/2880-156-0x0000000006A20000-0x0000000006A3E000-memory.dmp

Filesize
120KB

Download
memory/2880-157-0x0000000007DF0000-0x000000000846A000-memory.dmp

Filesize
6.5MB

Download
memory/2880-158-0x0000000007790000-0x00000000077AA000-memory.dmp

Filesize
104KB

Download
memory/4348-153-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4348-147-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4348-145-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4348-166-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads