blustealer | 25c4ee0823873ad0e9fed128dcfb45ebb821fe7a17c396026b8d8be1c2400557

General

Target

swift.img_20220930_011_001.exe
Size

744KB
MD5

c97c519b7b00a60d9dd9f8ced68c5c2b
SHA1

9bbd320ae5901ba787cb5ecef1d71bef332d3e66
SHA256

25c4ee0823873ad0e9fed128dcfb45ebb821fe7a17c396026b8d8be1c2400557
SHA512

b79135c8e231c89552e74002b2a3d8a0e3a247fc9607dbc7c2d4146fb6f6b3c3ddda2c5132bc41462e67bebf0d3c37dba6133b962831359e301ee3db44bc83a9
SSDEEP

12288:nu2iNq4nBuC43I3mQxtri2ti2NYl8so/PaSsiMWQunh3:u1lQ342QfrzYlsbFEa

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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/952-78-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/952-79-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/952-82-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/952-84-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

AppLaunch.exe

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.

Processes:

flow ioc

4 icanhazip.com

flow	ioc
4	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

Processes:

swift.img_20220930_011_001.exeswift.img_20220930_011_001.exe

description	pid	process	target process
PID 1340 set thread context of 1312	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1312 set thread context of 952	1312	swift.img_20220930_011_001.exe	AppLaunch.exe

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

Processes:

AppLaunch.exe

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

Processes:

schtasks.exe

pid process

1420 schtasks.exe

pid	process
1420	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

swift.img_20220930_011_001.exepowershell.exe

pid	process
1340	swift.img_20220930_011_001.exe
1340	swift.img_20220930_011_001.exe
1340	swift.img_20220930_011_001.exe
1340	swift.img_20220930_011_001.exe
1340	swift.img_20220930_011_001.exe
1340	swift.img_20220930_011_001.exe
1340	swift.img_20220930_011_001.exe
1316	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

swift.img_20220930_011_001.exe

pid process

1312 swift.img_20220930_011_001.exe

pid	process
1312	swift.img_20220930_011_001.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

swift.img_20220930_011_001.exepowershell.exeAppLaunch.exe

description	pid	process
Token: SeDebugPrivilege	1340	swift.img_20220930_011_001.exe
Token: SeDebugPrivilege	1316	powershell.exe
Token: SeDebugPrivilege	952	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

swift.img_20220930_011_001.exe

pid process

1312 swift.img_20220930_011_001.exe

pid	process
1312	swift.img_20220930_011_001.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

swift.img_20220930_011_001.exeswift.img_20220930_011_001.exe

description	pid	process	target process
PID 1340 wrote to memory of 1316	1340	swift.img_20220930_011_001.exe	powershell.exe
PID 1340 wrote to memory of 1316	1340	swift.img_20220930_011_001.exe	powershell.exe
PID 1340 wrote to memory of 1316	1340	swift.img_20220930_011_001.exe	powershell.exe
PID 1340 wrote to memory of 1316	1340	swift.img_20220930_011_001.exe	powershell.exe
PID 1340 wrote to memory of 1420	1340	swift.img_20220930_011_001.exe	schtasks.exe
PID 1340 wrote to memory of 1420	1340	swift.img_20220930_011_001.exe	schtasks.exe
PID 1340 wrote to memory of 1420	1340	swift.img_20220930_011_001.exe	schtasks.exe
PID 1340 wrote to memory of 1420	1340	swift.img_20220930_011_001.exe	schtasks.exe
PID 1340 wrote to memory of 1092	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1092	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1092	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1092	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1312	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1312	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1312	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1312	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1312	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1312	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1312	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1312	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1340 wrote to memory of 1312	1340	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1312 wrote to memory of 952	1312	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1312 wrote to memory of 952	1312	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1312 wrote to memory of 952	1312	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1312 wrote to memory of 952	1312	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1312 wrote to memory of 952	1312	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1312 wrote to memory of 952	1312	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1312 wrote to memory of 952	1312	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1312 wrote to memory of 952	1312	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1312 wrote to memory of 952	1312	swift.img_20220930_011_001.exe	AppLaunch.exe

outlook_office_path 1 IoCs

Processes:

AppLaunch.exe

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

Processes:

AppLaunch.exe

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_20220930_011_001.exe
"C:\Users\Admin\AppData\Local\Temp\swift.img_20220930_011_001.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qfnkeztGEzHx.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1316
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qfnkeztGEzHx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6BE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1420
- C:\Users\Admin\AppData\Local\Temp\swift.img_20220930_011_001.exe
  "C:\Users\Admin\AppData\Local\Temp\swift.img_20220930_011_001.exe"
  2⤵
  PID:1092
- C:\Users\Admin\AppData\Local\Temp\swift.img_20220930_011_001.exe
  "C:\Users\Admin\AppData\Local\Temp\swift.img_20220930_011_001.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1312
- - 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:952

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF6BE.tmp

Filesize
1KB

MD5
4ce9a67df758b1babd1954b1d1318f54

SHA1
7d99b46a0ab7b9f6862b16687d90bc8c9144db53

SHA256
223f11a1d26cdefa6fb2dbfcb137f00784be4c2fd4274ac6512af17ba0462a63

SHA512
4b7c785f1a99ed3e24c07ee424e81e086cdd5e70116f64644f566b2809b05b973777682b467d164f3a8fb4a7df23ffc896eee3ca8b9e1f8737fe60b4f9bf12e4

Download Submit
memory/952-84-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/952-82-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/952-79-0x00000000000A4F6E-mapping.dmp

Download
memory/952-78-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/952-76-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/1312-70-0x0000000000401D50-mapping.dmp

Download
memory/1312-72-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1312-88-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1312-64-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1312-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1312-67-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1312-80-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1312-69-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1316-59-0x0000000000000000-mapping.dmp

Download
memory/1316-86-0x000000006E660000-0x000000006EC0B000-memory.dmp

Filesize
5.7MB

Download
memory/1316-87-0x000000006E660000-0x000000006EC0B000-memory.dmp

Filesize
5.7MB

Download
memory/1340-58-0x0000000005680000-0x0000000005702000-memory.dmp

Filesize
520KB

Download
memory/1340-54-0x00000000008A0000-0x0000000000960000-memory.dmp

Filesize
768KB

Download
memory/1340-57-0x0000000000410000-0x000000000041C000-memory.dmp

Filesize
48KB

Download
memory/1340-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1340-55-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1340-63-0x0000000005970000-0x000000000599A000-memory.dmp

Filesize
168KB

Download
memory/1420-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads