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 4 IoCs

resource	yara_rule
behavioral1/memory/1960-81-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/1960-82-0x00000000000E4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1960-84-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/1960-86-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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
4	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1336 set thread context of 1788	1336	New Order.exe	31
PID 1788 set thread context of 1960	1788	New Order.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
1804	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1868	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1788	New Order.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	powershell.exe
Token: SeDebugPrivilege	1960	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1788	New Order.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 1868	1336	New Order.exe	27
PID 1336 wrote to memory of 1868	1336	New Order.exe	27
PID 1336 wrote to memory of 1868	1336	New Order.exe	27
PID 1336 wrote to memory of 1868	1336	New Order.exe	27
PID 1336 wrote to memory of 1804	1336	New Order.exe	29
PID 1336 wrote to memory of 1804	1336	New Order.exe	29
PID 1336 wrote to memory of 1804	1336	New Order.exe	29
PID 1336 wrote to memory of 1804	1336	New Order.exe	29
PID 1336 wrote to memory of 1788	1336	New Order.exe	31
PID 1336 wrote to memory of 1788	1336	New Order.exe	31
PID 1336 wrote to memory of 1788	1336	New Order.exe	31
PID 1336 wrote to memory of 1788	1336	New Order.exe	31
PID 1336 wrote to memory of 1788	1336	New Order.exe	31
PID 1336 wrote to memory of 1788	1336	New Order.exe	31
PID 1336 wrote to memory of 1788	1336	New Order.exe	31
PID 1336 wrote to memory of 1788	1336	New Order.exe	31
PID 1336 wrote to memory of 1788	1336	New Order.exe	31
PID 1788 wrote to memory of 1960	1788	New Order.exe	32
PID 1788 wrote to memory of 1960	1788	New Order.exe	32
PID 1788 wrote to memory of 1960	1788	New Order.exe	32
PID 1788 wrote to memory of 1960	1788	New Order.exe	32
PID 1788 wrote to memory of 1960	1788	New Order.exe	32
PID 1788 wrote to memory of 1960	1788	New Order.exe	32
PID 1788 wrote to memory of 1960	1788	New Order.exe	32
PID 1788 wrote to memory of 1960	1788	New Order.exe	32
PID 1788 wrote to memory of 1960	1788	New Order.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1336
- 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:1868
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QWZdOXeSBeFk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF613.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1804
- 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:1788
- - 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:1960

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\tmpF613.tmp

Filesize
1KB

MD5
9f8e7a129dd3d7e2f49144728c782fef

SHA1
3addfacb13e8bb6fa0591d072498680c2421c908

SHA256
b70d88a300edfd60a7b229835f4b144b9666e0f48bf8fa2a5c3b113de701381c

SHA512
e703482fbc234dbe04a7902114786287f4e5bf9eac5b02c891052d7d34705fb03b94f40b771795f69f6a462b2dc87b217825e73eeea801770cd9f0f69b38d686

Download Submit
memory/1336-58-0x0000000001EC0000-0x0000000001ECC000-memory.dmp

Filesize
48KB

Download
memory/1336-59-0x0000000005E30000-0x0000000005E98000-memory.dmp

Filesize
416KB

Download
memory/1336-57-0x00000000040D0000-0x00000000040F4000-memory.dmp

Filesize
144KB

Download
memory/1336-55-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/1336-64-0x0000000005AB0000-0x0000000005ADC000-memory.dmp

Filesize
176KB

Download
memory/1336-54-0x00000000000E0000-0x00000000001B8000-memory.dmp

Filesize
864KB

Download
memory/1336-56-0x00000000003A0000-0x00000000003C4000-memory.dmp

Filesize
144KB

Download
memory/1788-66-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1788-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1788-89-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1788-68-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1788-70-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1788-73-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1788-77-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1868-88-0x000000006E880000-0x000000006EE2B000-memory.dmp

Filesize
5.7MB

Download
memory/1868-78-0x000000006E880000-0x000000006EE2B000-memory.dmp

Filesize
5.7MB

Download
memory/1960-79-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1960-81-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1960-84-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1960-86-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads