blustealer | 962e25829a14a95ad95d8893db8464eb072dffaf53bdb91e8a76d79a01e4f289

General

Target

DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe
Size

268KB
MD5

c71ea43ecfe9c6a6ee76ee7c3faa3dab
SHA1

f09ff133049500bcb21d8ba9597535cb8b3b7246
SHA256

962e25829a14a95ad95d8893db8464eb072dffaf53bdb91e8a76d79a01e4f289
SHA512

18d98cda13d718e28e0c5bdd4cd56829189c96f422800a7573f2e37955bf43e203a99936d50ebc141c644b8461daed52686cd604738703697ddd7fcafebf9178
SSDEEP

3072:T5eihl7myXbEocvSaaEeUdFIglQESbhKjXB3Sc85FMW:T5eihRJXOr3xIglQPKbJSB5t

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/1992-72-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1992-73-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1992-75-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1992-77-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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
3	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 968 set thread context of 1488	968	DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe	28
PID 1488 set thread context of 1992	1488	cvtres.exe	29

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 use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1992	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1488	cvtres.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 1488	968	DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe	28
PID 968 wrote to memory of 1488	968	DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe	28
PID 968 wrote to memory of 1488	968	DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe	28
PID 968 wrote to memory of 1488	968	DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe	28
PID 968 wrote to memory of 1488	968	DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe	28
PID 968 wrote to memory of 1488	968	DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe	28
PID 968 wrote to memory of 1488	968	DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe	28
PID 968 wrote to memory of 1488	968	DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe	28
PID 968 wrote to memory of 1488	968	DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe	28
PID 1488 wrote to memory of 1992	1488	cvtres.exe	29
PID 1488 wrote to memory of 1992	1488	cvtres.exe	29
PID 1488 wrote to memory of 1992	1488	cvtres.exe	29
PID 1488 wrote to memory of 1992	1488	cvtres.exe	29
PID 1488 wrote to memory of 1992	1488	cvtres.exe	29
PID 1488 wrote to memory of 1992	1488	cvtres.exe	29
PID 1488 wrote to memory of 1992	1488	cvtres.exe	29
PID 1488 wrote to memory of 1992	1488	cvtres.exe	29
PID 1488 wrote to memory of 1992	1488	cvtres.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe
"C:\Users\Admin\AppData\Local\Temp\DESIGN, SUPPLY & INSTALLATION OF 2 WAREHOUSES” for TANAJIB GAS PLANT (TGP) – MARJAN DEVELOPMENT PROGRAM..exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:968
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1488
- - 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:1992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/968-54-0x0000000000330000-0x0000000000376000-memory.dmp

Filesize
280KB

Download
memory/968-55-0x0000000000310000-0x0000000000336000-memory.dmp

Filesize
152KB

Download
memory/968-56-0x00000000003F0000-0x00000000003FC000-memory.dmp

Filesize
48KB

Download
memory/968-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1488-79-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1488-61-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1488-63-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1488-58-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1488-66-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1488-69-0x0000000075921000-0x0000000075923000-memory.dmp

Filesize
8KB

Download
memory/1488-59-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1488-80-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1992-70-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1992-75-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1992-77-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1992-72-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download

Analysis

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