blustealer | 519049c140f5a4f0d6d2115f921d105b1bd4bf46f2e9f66a45762ba5c9cda9e0

General

Target

SecuriteInfo.com.W32.AIDetectNet.01.4201.exe
Size

31KB
MD5

993af3de9afbbf18492a7624dc1520d0
SHA1

ffbbb6e36177177f00641f248e0a597d14d5a860
SHA256

519049c140f5a4f0d6d2115f921d105b1bd4bf46f2e9f66a45762ba5c9cda9e0
SHA512

c59274fce6b8a066a6b38988dd159ef09d964bdce7457f18da481e21a70bffa636411b5e386abf23c27c5a494d5a7bbe1ec4a0548f6f22977d59b682632b285a
SSDEEP

768:6XaPBXOLr3u9Ngw1MYwVL6nXfelWhl9lqSg6KJY6Zy:6XaJ+ZkMP6nXcWhl9lqS3Kfy

Score

10^/10

blustealer stormkitty collection persistence stealer

Malware Config

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/1844-154-0x00000000007C0000-0x00000000007DA000-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-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zvgbxgi = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zovopilhb\\Zvgbxgi.exe\""	SecuriteInfo.com.W32.AIDetectNet.01.4201.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
44	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 460 set thread context of 1056	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	91
PID 1056 set thread context of 1844	1056	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	92

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4856	powershell.exe
4856	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1056	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe
Token: SeDebugPrivilege	4856	powershell.exe
Token: SeDebugPrivilege	1844	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1056	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 4856	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	82
PID 460 wrote to memory of 4856	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	82
PID 460 wrote to memory of 4856	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	82
PID 460 wrote to memory of 1056	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	91
PID 460 wrote to memory of 1056	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	91
PID 460 wrote to memory of 1056	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	91
PID 460 wrote to memory of 1056	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	91
PID 460 wrote to memory of 1056	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	91
PID 460 wrote to memory of 1056	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	91
PID 460 wrote to memory of 1056	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	91
PID 460 wrote to memory of 1056	460	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	91
PID 1056 wrote to memory of 1844	1056	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	92
PID 1056 wrote to memory of 1844	1056	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	92
PID 1056 wrote to memory of 1844	1056	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	92
PID 1056 wrote to memory of 1844	1056	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	92
PID 1056 wrote to memory of 1844	1056	SecuriteInfo.com.W32.AIDetectNet.01.4201.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.4201.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.4201.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:460
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4856
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.4201.exe
  C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.4201.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1056
- - 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:1844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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

memory/460-132-0x0000000000250000-0x000000000025E000-memory.dmp

Filesize
56KB

Download
memory/460-133-0x00000000057A0000-0x00000000057F0000-memory.dmp

Filesize
320KB

Download
memory/460-134-0x00000000058B0000-0x0000000005962000-memory.dmp

Filesize
712KB

Download
memory/460-135-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/460-136-0x0000000005A10000-0x0000000005AA2000-memory.dmp

Filesize
584KB

Download
memory/460-137-0x00000000059A0000-0x00000000059C2000-memory.dmp

Filesize
136KB

Download
memory/1056-147-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1056-156-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1056-152-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1056-149-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1844-155-0x00000000057C0000-0x000000000585C000-memory.dmp

Filesize
624KB

Download
memory/1844-154-0x00000000007C0000-0x00000000007DA000-memory.dmp

Filesize
104KB

Download
memory/4856-142-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/4856-145-0x00000000064B0000-0x00000000064CA000-memory.dmp

Filesize
104KB

Download
memory/4856-144-0x0000000007890000-0x0000000007F0A000-memory.dmp

Filesize
6.5MB

Download
memory/4856-143-0x0000000006010000-0x000000000602E000-memory.dmp

Filesize
120KB

Download
memory/4856-139-0x00000000026C0000-0x00000000026F6000-memory.dmp

Filesize
216KB

Download
memory/4856-141-0x00000000052E0000-0x0000000005346000-memory.dmp

Filesize
408KB

Download
memory/4856-140-0x0000000005460000-0x0000000005A88000-memory.dmp

Filesize
6.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads