blustealer | 475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220

General

Target

475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
Size

777KB
MD5

d12022ca18d335ee92a96b409d9d55cf
SHA1

4c6e97447466c3615b8b564d928ae95461717947
SHA256

475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220
SHA512

1334717e0dba0246a9f1ac5f645d67ddcfa1a259e934dae54fb4fabc7fd72638dacabb2d5d3c6cd0b91c8a3270a3a3eb35fed34c15e5c608fd70eee69e358f38
SSDEEP

6144:pfzfih0m+3no6/PNLf2FNoDCSAbWnkkdylvez5LPh5O3a7M8nY4S3aIAATf6GfcE:pfwnJEkXUVPh8K7s3d3TmCtYY7LBZw

Score

10^/10

blustealer stormkitty collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5732817033:AAFBYIIZmJ7NuvVwD7WRcbV9qwcOqT7RpwM/sendMessage?chat_id=1638137774

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/3800-154-0x0000000000B30000-0x0000000000B4A000-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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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
37	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 804 set thread context of 3128	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	95
PID 3128 set thread context of 3800	3128	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	96

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
3516	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
3356	powershell.exe
3356	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3128	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
Token: SeDebugPrivilege	3356	powershell.exe
Token: SeDebugPrivilege	3800	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3128	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 3356	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	91
PID 804 wrote to memory of 3356	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	91
PID 804 wrote to memory of 3356	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	91
PID 804 wrote to memory of 3516	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	93
PID 804 wrote to memory of 3516	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	93
PID 804 wrote to memory of 3516	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	93
PID 804 wrote to memory of 3128	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	95
PID 804 wrote to memory of 3128	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	95
PID 804 wrote to memory of 3128	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	95
PID 804 wrote to memory of 3128	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	95
PID 804 wrote to memory of 3128	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	95
PID 804 wrote to memory of 3128	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	95
PID 804 wrote to memory of 3128	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	95
PID 804 wrote to memory of 3128	804	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	95
PID 3128 wrote to memory of 3800	3128	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	96
PID 3128 wrote to memory of 3800	3128	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	96
PID 3128 wrote to memory of 3800	3128	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	96
PID 3128 wrote to memory of 3800	3128	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	96
PID 3128 wrote to memory of 3800	3128	475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
"C:\Users\Admin\AppData\Local\Temp\475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XDmcVzcsfBo.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3356
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XDmcVzcsfBo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp51AA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3516
- C:\Users\Admin\AppData\Local\Temp\475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe
  "C:\Users\Admin\AppData\Local\Temp\475a80e9f7b9922f505595624de5d08d0c89b2ef2bb89cc6c2bdb921205ec220.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3128
- - 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:3800

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\tmp51AA.tmp

Filesize
1KB

MD5
c841179bec1aae55c61f3496b88fa687

SHA1
ed61b8b8002646a02ad3f1e58568950896c07944

SHA256
92a63ffbeb14ccf09d1be52e0008d54074d588cb0b68fa3a05b9d7fc12bb46bc

SHA512
4635316b07a7b3bb837292e4602662131f368920710729c6b50fca9d89e2d9932d81b43d4ca73e348afe170121f572ed5e0edae8dd2c944f4f68ac58b41210de

Download Submit
memory/804-133-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/804-134-0x00000000059A0000-0x0000000005A32000-memory.dmp

Filesize
584KB

Download
memory/804-135-0x0000000005990000-0x000000000599A000-memory.dmp

Filesize
40KB

Download
memory/804-136-0x0000000009400000-0x000000000949C000-memory.dmp

Filesize
624KB

Download
memory/804-137-0x0000000009730000-0x0000000009796000-memory.dmp

Filesize
408KB

Download
memory/804-132-0x0000000000F30000-0x0000000000FF8000-memory.dmp

Filesize
800KB

Download
memory/3128-146-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3128-165-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3128-151-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3128-143-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3356-156-0x00000000705B0000-0x00000000705FC000-memory.dmp

Filesize
304KB

Download
memory/3356-160-0x00000000074F0000-0x00000000074FA000-memory.dmp

Filesize
40KB

Download
memory/3356-149-0x00000000051B0000-0x00000000051D2000-memory.dmp

Filesize
136KB

Download
memory/3356-150-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/3356-141-0x0000000004BF0000-0x0000000004C26000-memory.dmp

Filesize
216KB

Download
memory/3356-152-0x0000000006180000-0x000000000619E000-memory.dmp

Filesize
120KB

Download
memory/3356-164-0x00000000077A0000-0x00000000077A8000-memory.dmp

Filesize
32KB

Download
memory/3356-155-0x0000000006750000-0x0000000006782000-memory.dmp

Filesize
200KB

Download
memory/3356-163-0x00000000077C0000-0x00000000077DA000-memory.dmp

Filesize
104KB

Download
memory/3356-157-0x0000000006720000-0x000000000673E000-memory.dmp

Filesize
120KB

Download
memory/3356-158-0x0000000007AC0000-0x000000000813A000-memory.dmp

Filesize
6.5MB

Download
memory/3356-159-0x0000000007480000-0x000000000749A000-memory.dmp

Filesize
104KB

Download
memory/3356-145-0x0000000005260000-0x0000000005888000-memory.dmp

Filesize
6.2MB

Download
memory/3356-161-0x0000000007700000-0x0000000007796000-memory.dmp

Filesize
600KB

Download
memory/3356-162-0x00000000076B0000-0x00000000076BE000-memory.dmp

Filesize
56KB

Download
memory/3800-154-0x0000000000B30000-0x0000000000B4A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads