blustealer | a68672b1ebb95bb719b551cbc3b72c53d5e256004c519039dc02649ff166b4da

General

Target

SWIFT IMG_2022082__000021001.pdf.exe
Size

22KB
MD5

20a84bfdd16cd3e1b6849ea1ea9c4d0a
SHA1

66082f545e8c54c3574aa21c09cc2cafeddc6c59
SHA256

a68672b1ebb95bb719b551cbc3b72c53d5e256004c519039dc02649ff166b4da
SHA512

120d7792ccf28a54b59e62e7e592facd4c7b5247978b6224694aa9be53a36bfb9b258feee87148f750b44d8359b699acb6176f5e8bce9d302a7c1d17bb84e5c8
SSDEEP

192:2f+zZKZFq3WFjLpeBYY8zyfCCZtdT4NYHefn3Z2FT9TDvtAE230ZckEDt3ECJ:TzUZVFYBt8z3C2+Hef4ddBZA0Zva0C

Score

10^/10

blustealer stormkitty collection persistence 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/4256-152-0x0000000000E20000-0x0000000000E3A000-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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	SWIFT IMG_2022082__000021001.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Sazjbvo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Iltgbh\\Sazjbvo.exe\""	SWIFT IMG_2022082__000021001.pdf.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
43	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4880 set thread context of 4192	4880	SWIFT IMG_2022082__000021001.pdf.exe	92
PID 4192 set thread context of 4256	4192	SWIFT IMG_2022082__000021001.pdf.exe	94

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 6 IoCs

pid	Process
1936	powershell.exe
1936	powershell.exe
4880	SWIFT IMG_2022082__000021001.pdf.exe
4880	SWIFT IMG_2022082__000021001.pdf.exe
4880	SWIFT IMG_2022082__000021001.pdf.exe
4880	SWIFT IMG_2022082__000021001.pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4192	SWIFT IMG_2022082__000021001.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4880	SWIFT IMG_2022082__000021001.pdf.exe
Token: SeDebugPrivilege	1936	powershell.exe
Token: SeDebugPrivilege	4256	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4192	SWIFT IMG_2022082__000021001.pdf.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 1936	4880	SWIFT IMG_2022082__000021001.pdf.exe	82
PID 4880 wrote to memory of 1936	4880	SWIFT IMG_2022082__000021001.pdf.exe	82
PID 4880 wrote to memory of 1936	4880	SWIFT IMG_2022082__000021001.pdf.exe	82
PID 4880 wrote to memory of 4460	4880	SWIFT IMG_2022082__000021001.pdf.exe	90
PID 4880 wrote to memory of 4460	4880	SWIFT IMG_2022082__000021001.pdf.exe	90
PID 4880 wrote to memory of 4460	4880	SWIFT IMG_2022082__000021001.pdf.exe	90
PID 4880 wrote to memory of 2280	4880	SWIFT IMG_2022082__000021001.pdf.exe	91
PID 4880 wrote to memory of 2280	4880	SWIFT IMG_2022082__000021001.pdf.exe	91
PID 4880 wrote to memory of 2280	4880	SWIFT IMG_2022082__000021001.pdf.exe	91
PID 4880 wrote to memory of 4192	4880	SWIFT IMG_2022082__000021001.pdf.exe	92
PID 4880 wrote to memory of 4192	4880	SWIFT IMG_2022082__000021001.pdf.exe	92
PID 4880 wrote to memory of 4192	4880	SWIFT IMG_2022082__000021001.pdf.exe	92
PID 4880 wrote to memory of 4192	4880	SWIFT IMG_2022082__000021001.pdf.exe	92
PID 4880 wrote to memory of 4192	4880	SWIFT IMG_2022082__000021001.pdf.exe	92
PID 4880 wrote to memory of 4192	4880	SWIFT IMG_2022082__000021001.pdf.exe	92
PID 4880 wrote to memory of 4192	4880	SWIFT IMG_2022082__000021001.pdf.exe	92
PID 4880 wrote to memory of 4192	4880	SWIFT IMG_2022082__000021001.pdf.exe	92
PID 4192 wrote to memory of 4256	4192	SWIFT IMG_2022082__000021001.pdf.exe	94
PID 4192 wrote to memory of 4256	4192	SWIFT IMG_2022082__000021001.pdf.exe	94
PID 4192 wrote to memory of 4256	4192	SWIFT IMG_2022082__000021001.pdf.exe	94
PID 4192 wrote to memory of 4256	4192	SWIFT IMG_2022082__000021001.pdf.exe	94
PID 4192 wrote to memory of 4256	4192	SWIFT IMG_2022082__000021001.pdf.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SWIFT IMG_2022082__000021001.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT IMG_2022082__000021001.pdf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1936
- C:\Users\Admin\AppData\Local\Temp\SWIFT IMG_2022082__000021001.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT IMG_2022082__000021001.pdf.exe"
  2⤵
  PID:4460
- C:\Users\Admin\AppData\Local\Temp\SWIFT IMG_2022082__000021001.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT IMG_2022082__000021001.pdf.exe"
  2⤵
  PID:2280
- C:\Users\Admin\AppData\Local\Temp\SWIFT IMG_2022082__000021001.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT IMG_2022082__000021001.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4192
- - 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:4256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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

Loading Replay Monitor...

Downloads

memory/1936-141-0x0000000006CF0000-0x0000000006D0A000-memory.dmp

Filesize
104KB

Download
memory/1936-135-0x0000000005290000-0x00000000052C6000-memory.dmp

Filesize
216KB

Download
memory/1936-136-0x0000000005900000-0x0000000005F28000-memory.dmp

Filesize
6.2MB

Download
memory/1936-137-0x0000000006030000-0x0000000006096000-memory.dmp

Filesize
408KB

Download
memory/1936-138-0x0000000006190000-0x00000000061F6000-memory.dmp

Filesize
408KB

Download
memory/1936-139-0x00000000067F0000-0x000000000680E000-memory.dmp

Filesize
120KB

Download
memory/1936-140-0x0000000007E60000-0x00000000084DA000-memory.dmp

Filesize
6.5MB

Download
memory/4192-150-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4192-145-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4192-147-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4192-153-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4256-152-0x0000000000E20000-0x0000000000E3A000-memory.dmp

Filesize
104KB

Download
memory/4256-154-0x0000000005AF0000-0x0000000005B8C000-memory.dmp

Filesize
624KB

Download
memory/4880-133-0x00000000062D0000-0x00000000062F2000-memory.dmp

Filesize
136KB

Download
memory/4880-132-0x0000000000A90000-0x0000000000A9C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads