blustealer | 4649b0df03857384398c1b95c2e26768ed8a6198499a39d3efdb8d696ede4176

General

Target

New Order.exe
Size

847KB
MD5

c606b79a4bc00248caf9a9c34c27967c
SHA1

e6023105be92a970a854a3a935786dac7eb24bb4
SHA256

4649b0df03857384398c1b95c2e26768ed8a6198499a39d3efdb8d696ede4176
SHA512

3849116a967cbd303e138b3e384e433c53cd2779bde4538975c51bd4d8f8fa4b0414dbce17d41d28a1cb23f537ebad6ab60168a3a16349bb8844a48c8c860a72

Score

10^/10

blustealer stormkitty collection 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/4004-153-0x0000000000230000-0x000000000024A000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	New Order.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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
11	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1556 set thread context of 1696	1556	New Order.exe	82
PID 1696 set thread context of 4004	1696	New Order.exe	83

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
4480	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1932	powershell.exe
1932	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1696	New Order.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1932	powershell.exe
Token: SeDebugPrivilege	4004	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1696	New Order.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 1932	1556	New Order.exe	78
PID 1556 wrote to memory of 1932	1556	New Order.exe	78
PID 1556 wrote to memory of 1932	1556	New Order.exe	78
PID 1556 wrote to memory of 4480	1556	New Order.exe	80
PID 1556 wrote to memory of 4480	1556	New Order.exe	80
PID 1556 wrote to memory of 4480	1556	New Order.exe	80
PID 1556 wrote to memory of 1696	1556	New Order.exe	82
PID 1556 wrote to memory of 1696	1556	New Order.exe	82
PID 1556 wrote to memory of 1696	1556	New Order.exe	82
PID 1556 wrote to memory of 1696	1556	New Order.exe	82
PID 1556 wrote to memory of 1696	1556	New Order.exe	82
PID 1556 wrote to memory of 1696	1556	New Order.exe	82
PID 1556 wrote to memory of 1696	1556	New Order.exe	82
PID 1556 wrote to memory of 1696	1556	New Order.exe	82
PID 1696 wrote to memory of 4004	1696	New Order.exe	83
PID 1696 wrote to memory of 4004	1696	New Order.exe	83
PID 1696 wrote to memory of 4004	1696	New Order.exe	83
PID 1696 wrote to memory of 4004	1696	New Order.exe	83
PID 1696 wrote to memory of 4004	1696	New Order.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\New Order.exe
"C:\Users\Admin\AppData\Local\Temp\New Order.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QWZdOXeSBeFk.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1932
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QWZdOXeSBeFk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6409.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4480
- C:\Users\Admin\AppData\Local\Temp\New Order.exe
  "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1696
- - 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:4004

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\tmp6409.tmp

Filesize
1KB

MD5
8b01e1eea7ae3e57104d0c9d484246bf

SHA1
7f68942efe5593b3623b89ad9ea8256278d50f32

SHA256
0cc83e2b4df90b46c7efe90a87c631e1785ccf6733c0d011750728c2af90aee9

SHA512
8505ec7201995a01789adf909598d2803cc47755837b96d885b515bf6074d1ff6e3073778f7a892859d17b5c1a8408146bd5ec40bc7a9cf294b03102bfc64e02

Download Submit
memory/1556-133-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/1556-134-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/1556-135-0x0000000005360000-0x000000000536A000-memory.dmp

Filesize
40KB

Download
memory/1556-136-0x0000000008EC0000-0x0000000008F5C000-memory.dmp

Filesize
624KB

Download
memory/1556-137-0x0000000008FD0000-0x0000000009036000-memory.dmp

Filesize
408KB

Download
memory/1556-132-0x0000000000690000-0x0000000000768000-memory.dmp

Filesize
864KB

Download
memory/1696-144-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1696-165-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1696-154-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1696-146-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1932-156-0x0000000070740000-0x000000007078C000-memory.dmp

Filesize
304KB

Download
memory/1932-140-0x0000000002E30000-0x0000000002E66000-memory.dmp

Filesize
216KB

Download
memory/1932-148-0x00000000057B0000-0x00000000057D2000-memory.dmp

Filesize
136KB

Download
memory/1932-150-0x0000000005FE0000-0x0000000006046000-memory.dmp

Filesize
408KB

Download
memory/1932-151-0x0000000006730000-0x000000000674E000-memory.dmp

Filesize
120KB

Download
memory/1932-142-0x0000000005840000-0x0000000005E68000-memory.dmp

Filesize
6.2MB

Download
memory/1932-163-0x0000000007D80000-0x0000000007D9A000-memory.dmp

Filesize
104KB

Download
memory/1932-155-0x0000000007900000-0x0000000007932000-memory.dmp

Filesize
200KB

Download
memory/1932-164-0x0000000007D60000-0x0000000007D68000-memory.dmp

Filesize
32KB

Download
memory/1932-157-0x0000000006CF0000-0x0000000006D0E000-memory.dmp

Filesize
120KB

Download
memory/1932-158-0x0000000008090000-0x000000000870A000-memory.dmp

Filesize
6.5MB

Download
memory/1932-159-0x0000000007A40000-0x0000000007A5A000-memory.dmp

Filesize
104KB

Download
memory/1932-160-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

Filesize
40KB

Download
memory/1932-161-0x0000000007CC0000-0x0000000007D56000-memory.dmp

Filesize
600KB

Download
memory/1932-162-0x0000000007C70000-0x0000000007C7E000-memory.dmp

Filesize
56KB

Download
memory/4004-153-0x0000000000230000-0x000000000024A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads