blustealer | 0222699a1f6b466c2f55cd2641ee2c9d4a67f31555a5b6e3abf47753b060eb87

General

Target

SWIFT - IMG 20220905 20001 -00101.PDF.exe
Size

850KB
MD5

ba0a3767d9f4b6f473ea3b12869d6314
SHA1

dbfe70f2daa387156e5e16d64147301d1d2b6906
SHA256

0222699a1f6b466c2f55cd2641ee2c9d4a67f31555a5b6e3abf47753b060eb87
SHA512

b45915d021d30cb03a456e5854c9ce0e62056c61f0ccfd9addf5e9d8c23af49635f957a006ffef40b99bdc5c04d1234cc516e047a246491f6601c2f0ba6fea70
SSDEEP

12288:RzQZimyXqWjsZ5uEd2iNB/BsKS19gpje+cdGTCY4hZb/wokI3ZYKI+X4t0QnNITb:e0X/W5X15dScpK+D8bYWZd5m0Qna

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/1080-78-0x00000000001D0000-0x00000000001EA000-memory.dmp	family_stormkitty
behavioral1/memory/1080-79-0x00000000001E4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1080-81-0x00000000001D0000-0x00000000001EA000-memory.dmp	family_stormkitty
behavioral1/memory/1080-83-0x00000000001D0000-0x00000000001EA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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 1600 set thread context of 1704	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	31
PID 1704 set thread context of 1080	1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe	32

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
308	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe
1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe
1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe
1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe
1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe
1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe
568	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe
Token: SeDebugPrivilege	568	powershell.exe
Token: SeDebugPrivilege	1080	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 568	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	27
PID 1600 wrote to memory of 568	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	27
PID 1600 wrote to memory of 568	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	27
PID 1600 wrote to memory of 568	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	27
PID 1600 wrote to memory of 308	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	29
PID 1600 wrote to memory of 308	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	29
PID 1600 wrote to memory of 308	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	29
PID 1600 wrote to memory of 308	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	29
PID 1600 wrote to memory of 1704	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	31
PID 1600 wrote to memory of 1704	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	31
PID 1600 wrote to memory of 1704	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	31
PID 1600 wrote to memory of 1704	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	31
PID 1600 wrote to memory of 1704	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	31
PID 1600 wrote to memory of 1704	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	31
PID 1600 wrote to memory of 1704	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	31
PID 1600 wrote to memory of 1704	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	31
PID 1600 wrote to memory of 1704	1600	SWIFT - IMG 20220905 20001 -00101.PDF.exe	31
PID 1704 wrote to memory of 1080	1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe	32
PID 1704 wrote to memory of 1080	1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe	32
PID 1704 wrote to memory of 1080	1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe	32
PID 1704 wrote to memory of 1080	1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe	32
PID 1704 wrote to memory of 1080	1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe	32
PID 1704 wrote to memory of 1080	1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe	32
PID 1704 wrote to memory of 1080	1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe	32
PID 1704 wrote to memory of 1080	1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe	32
PID 1704 wrote to memory of 1080	1704	SWIFT - IMG 20220905 20001 -00101.PDF.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SWIFT - IMG 20220905 20001 -00101.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT - IMG 20220905 20001 -00101.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TCNnYF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:568
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TCNnYF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F23.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:308
- C:\Users\Admin\AppData\Local\Temp\SWIFT - IMG 20220905 20001 -00101.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFT - IMG 20220905 20001 -00101.PDF.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1704
- - 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:1080

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

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3F23.tmp

Filesize
1KB

MD5
3da5e9d3fa8eb96ccf77bd8c1adf1e32

SHA1
0e9915e9db044e378ae6dc28d52d2431cf0f83f5

SHA256
988bcac7ab9230502da45631ba132eafe17052653231482e90e73aae7a69d67d

SHA512
1dbcd1a82c41b10cae6623b3491550f3db50a489f0d9a62896dbca034797a771505a16b5c3e18785c62dd43307f2fc26ce331cc4652f96c1d89676c88d6f7b39

Download Submit
memory/568-87-0x000000006E860000-0x000000006EE0B000-memory.dmp

Filesize
5.7MB

Download
memory/568-86-0x000000006E860000-0x000000006EE0B000-memory.dmp

Filesize
5.7MB

Download
memory/1080-81-0x00000000001D0000-0x00000000001EA000-memory.dmp

Filesize
104KB

Download
memory/1080-78-0x00000000001D0000-0x00000000001EA000-memory.dmp

Filesize
104KB

Download
memory/1080-83-0x00000000001D0000-0x00000000001EA000-memory.dmp

Filesize
104KB

Download
memory/1080-76-0x00000000001D0000-0x00000000001EA000-memory.dmp

Filesize
104KB

Download
memory/1600-57-0x0000000000310000-0x000000000031C000-memory.dmp

Filesize
48KB

Download
memory/1600-63-0x0000000004790000-0x00000000047BC000-memory.dmp

Filesize
176KB

Download
memory/1600-55-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download
memory/1600-58-0x00000000055F0000-0x0000000005670000-memory.dmp

Filesize
512KB

Download
memory/1600-56-0x0000000000630000-0x0000000000648000-memory.dmp

Filesize
96KB

Download
memory/1600-54-0x0000000000F70000-0x000000000104A000-memory.dmp

Filesize
872KB

Download
memory/1704-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1704-72-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1704-69-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1704-85-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1704-67-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1704-64-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1704-88-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads