blustealer | 812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af

General

Target

812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe
Size

763KB
MD5

99a852e331165dac3b18906d680ddde1
SHA1

65f711d7a0c894caa4fcca0001ebe903bc479d35
SHA256

812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af
SHA512

d72b76890b6e00e900ddd33cf553512f92a212c59fcba3ac92887a162d0355e3f89f5649c514d492146801a8370237be3669fd2de892fe10a3219050a23c3652

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/1280-74-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1280-75-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1280-77-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/1280-79-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\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
4	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1744 set thread context of 1464	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	26
PID 1464 set thread context of 1280	1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	27

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 4 IoCs

pid	Process
1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe
1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe
1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe
1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe
Token: SeDebugPrivilege	1280	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1464	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	26
PID 1744 wrote to memory of 1464	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	26
PID 1744 wrote to memory of 1464	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	26
PID 1744 wrote to memory of 1464	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	26
PID 1744 wrote to memory of 1464	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	26
PID 1744 wrote to memory of 1464	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	26
PID 1744 wrote to memory of 1464	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	26
PID 1744 wrote to memory of 1464	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	26
PID 1744 wrote to memory of 1464	1744	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	26
PID 1464 wrote to memory of 1280	1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	27
PID 1464 wrote to memory of 1280	1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	27
PID 1464 wrote to memory of 1280	1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	27
PID 1464 wrote to memory of 1280	1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	27
PID 1464 wrote to memory of 1280	1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	27
PID 1464 wrote to memory of 1280	1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	27
PID 1464 wrote to memory of 1280	1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	27
PID 1464 wrote to memory of 1280	1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	27
PID 1464 wrote to memory of 1280	1464	812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe
"C:\Users\Admin\AppData\Local\Temp\812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Users\Admin\AppData\Local\Temp\812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe
  "C:\Users\Admin\AppData\Local\Temp\812e860ce5f169fed3c366dc9781e342e6c4da50e997c051e3788621ef71b6af.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1464
- - 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:1280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

memory/1280-72-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1280-79-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1280-77-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1280-74-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1464-63-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1464-81-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1464-61-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1464-82-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1464-65-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1464-68-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1464-60-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1744-59-0x0000000004330000-0x000000000435A000-memory.dmp

Filesize
168KB

Download
memory/1744-57-0x0000000001ED0000-0x0000000001EDA000-memory.dmp

Filesize
40KB

Download
memory/1744-56-0x0000000001E70000-0x0000000001E86000-memory.dmp

Filesize
88KB

Download
memory/1744-55-0x0000000076091000-0x0000000076093000-memory.dmp

Filesize
8KB

Download
memory/1744-58-0x0000000004F20000-0x0000000004F92000-memory.dmp

Filesize
456KB

Download
memory/1744-54-0x0000000000800000-0x00000000008C6000-memory.dmp

Filesize
792KB

Download

Analysis

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