blustealer | fdeafb2bf6cc3d798d2fa099f3619d096f17a57b89172020922c2a63f48d8aeb

General

Target

swift.exe
Size

714KB
MD5

3512514972b6f3d79491a5ded8617788
SHA1

ba6548c7bf1227b05278dc2372a91347d7d100c3
SHA256

fdeafb2bf6cc3d798d2fa099f3619d096f17a57b89172020922c2a63f48d8aeb
SHA512

d638dc0bbd6b81053ed9cd58b7a276801748586a6039371f1a039399e0794a97758011e7bec08bfe7ec5ed25ad229e3d0273cae3b152d37133bb5f9a7b336e18
SSDEEP

12288:a6HZX/QV280RF75ehGBEnuaDDhvJun2zro8b4p00zyIZPzHC2:aUGM80RZ5j8ucFRqQr1b5IVHC2

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/1596-156-0x00000000005B0000-0x00000000005CA000-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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	swift.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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
74	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2452 set thread context of 1948	2452	swift.exe	99
PID 1948 set thread context of 1596	1948	swift.exe	100

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	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
4408	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2452	swift.exe
2452	swift.exe
3164	powershell.exe
3164	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	swift.exe
Token: SeDebugPrivilege	3164	powershell.exe
Token: SeDebugPrivilege	1596	AppLaunch.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2452	swift.exe
2452	swift.exe
1948	swift.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 3164	2452	swift.exe	94
PID 2452 wrote to memory of 3164	2452	swift.exe	94
PID 2452 wrote to memory of 3164	2452	swift.exe	94
PID 2452 wrote to memory of 4408	2452	swift.exe	96
PID 2452 wrote to memory of 4408	2452	swift.exe	96
PID 2452 wrote to memory of 4408	2452	swift.exe	96
PID 2452 wrote to memory of 3472	2452	swift.exe	98
PID 2452 wrote to memory of 3472	2452	swift.exe	98
PID 2452 wrote to memory of 3472	2452	swift.exe	98
PID 2452 wrote to memory of 1948	2452	swift.exe	99
PID 2452 wrote to memory of 1948	2452	swift.exe	99
PID 2452 wrote to memory of 1948	2452	swift.exe	99
PID 2452 wrote to memory of 1948	2452	swift.exe	99
PID 2452 wrote to memory of 1948	2452	swift.exe	99
PID 2452 wrote to memory of 1948	2452	swift.exe	99
PID 2452 wrote to memory of 1948	2452	swift.exe	99
PID 2452 wrote to memory of 1948	2452	swift.exe	99
PID 1948 wrote to memory of 1596	1948	swift.exe	100
PID 1948 wrote to memory of 1596	1948	swift.exe	100
PID 1948 wrote to memory of 1596	1948	swift.exe	100
PID 1948 wrote to memory of 1596	1948	swift.exe	100
PID 1948 wrote to memory of 1596	1948	swift.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\swift.exe
"C:\Users\Admin\AppData\Local\Temp\swift.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZqJCnirrxQudpN.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3164
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZqJCnirrxQudpN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDCB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4408
- C:\Users\Admin\AppData\Local\Temp\swift.exe
  "C:\Users\Admin\AppData\Local\Temp\swift.exe"
  2⤵
  PID:3472
- C:\Users\Admin\AppData\Local\Temp\swift.exe
  "C:\Users\Admin\AppData\Local\Temp\swift.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1948
- - 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:1596

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEDCB.tmp

Filesize
1KB

MD5
2baad0a2e12c969306cd8ff523515687

SHA1
8d2281c917af58e174a66f7426d2dd91ca8b1b5d

SHA256
5bdd2bfe6991db76219f0bdcdad18e829c6796579c447e7d5839e8edd83ea512

SHA512
35ba576c961aa518cfecf8fbed7161cd4f709b28e1480581cb674af922a54e876d218a50d06de101f0bb0a66e0e0a87f8e14a57639b568b197118ba2c768daf6

Download Submit
memory/1596-156-0x00000000005B0000-0x00000000005CA000-memory.dmp

Filesize
104KB

Download
memory/1948-158-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1948-154-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1948-150-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1948-148-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2452-140-0x0000000001310000-0x0000000001376000-memory.dmp

Filesize
408KB

Download
memory/2452-134-0x00000000054E0000-0x0000000005572000-memory.dmp

Filesize
584KB

Download
memory/2452-133-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/2452-135-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/2452-132-0x0000000000A00000-0x0000000000AB8000-memory.dmp

Filesize
736KB

Download
memory/2452-136-0x0000000005FA0000-0x0000000006146000-memory.dmp

Filesize
1.6MB

Download
memory/2452-137-0x0000000005790000-0x00000000057A2000-memory.dmp

Filesize
72KB

Download
memory/2452-139-0x0000000007DE0000-0x0000000007E7C000-memory.dmp

Filesize
624KB

Download
memory/2452-138-0x0000000007EB0000-0x0000000007ED2000-memory.dmp

Filesize
136KB

Download
memory/3164-160-0x0000000070270000-0x00000000702BC000-memory.dmp

Filesize
304KB

Download
memory/3164-168-0x0000000007560000-0x0000000007568000-memory.dmp

Filesize
32KB

Download
memory/3164-143-0x0000000002670000-0x00000000026A6000-memory.dmp

Filesize
216KB

Download
memory/3164-161-0x0000000006590000-0x00000000065AE000-memory.dmp

Filesize
120KB

Download
memory/3164-157-0x0000000005F40000-0x0000000005F5E000-memory.dmp

Filesize
120KB

Download
memory/3164-167-0x0000000007620000-0x000000000763A000-memory.dmp

Filesize
104KB

Download
memory/3164-162-0x0000000007990000-0x000000000800A000-memory.dmp

Filesize
6.5MB

Download
memory/3164-145-0x0000000005200000-0x0000000005828000-memory.dmp

Filesize
6.2MB

Download
memory/3164-152-0x0000000005030000-0x0000000005096000-memory.dmp

Filesize
408KB

Download
memory/3164-159-0x00000000065B0000-0x00000000065E2000-memory.dmp

Filesize
200KB

Download
memory/3164-163-0x00000000072D0000-0x00000000072EA000-memory.dmp

Filesize
104KB

Download
memory/3164-164-0x0000000007350000-0x000000000735A000-memory.dmp

Filesize
40KB

Download
memory/3164-165-0x0000000007580000-0x0000000007616000-memory.dmp

Filesize
600KB

Download
memory/3164-166-0x0000000007510000-0x000000000751E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads