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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2308-152-0x00000000007E0000-0x00000000007FA000-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

Processes:

swift.img_20220930_011_001.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	swift.img_20220930_011_001.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

AppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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.

Processes:

flow ioc

41 icanhazip.com

flow	ioc
41	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 4324 set thread context of 4948	4324	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 4948 set thread context of 2308	4948	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

1340 schtasks.exe

pid	process
1340	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

swift.img_20220930_011_001.exepowershell.exe

pid	process
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4324	swift.img_20220930_011_001.exe
4468	powershell.exe
4468	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

swift.img_20220930_011_001.exe

pid process

4948 swift.img_20220930_011_001.exe

pid	process
4948	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	4324	swift.img_20220930_011_001.exe
Token: SeDebugPrivilege	4468	powershell.exe
Token: SeDebugPrivilege	2308	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

swift.img_20220930_011_001.exe

pid process

4948 swift.img_20220930_011_001.exe

pid	process
4948	swift.img_20220930_011_001.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

swift.img_20220930_011_001.exeswift.img_20220930_011_001.exe

description	pid	process	target process
PID 4324 wrote to memory of 4468	4324	swift.img_20220930_011_001.exe	powershell.exe
PID 4324 wrote to memory of 4468	4324	swift.img_20220930_011_001.exe	powershell.exe
PID 4324 wrote to memory of 4468	4324	swift.img_20220930_011_001.exe	powershell.exe
PID 4324 wrote to memory of 1340	4324	swift.img_20220930_011_001.exe	schtasks.exe
PID 4324 wrote to memory of 1340	4324	swift.img_20220930_011_001.exe	schtasks.exe
PID 4324 wrote to memory of 1340	4324	swift.img_20220930_011_001.exe	schtasks.exe
PID 4324 wrote to memory of 4948	4324	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 4324 wrote to memory of 4948	4324	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 4324 wrote to memory of 4948	4324	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 4324 wrote to memory of 4948	4324	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 4324 wrote to memory of 4948	4324	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 4324 wrote to memory of 4948	4324	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 4324 wrote to memory of 4948	4324	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 4324 wrote to memory of 4948	4324	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 4948 wrote to memory of 2308	4948	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 4948 wrote to memory of 2308	4948	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 4948 wrote to memory of 2308	4948	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 4948 wrote to memory of 2308	4948	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 4948 wrote to memory of 2308	4948	swift.img_20220930_011_001.exe	AppLaunch.exe

outlook_office_path 1 IoCs

Processes:

AppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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-1-5-21-2891029575-1462575-1165213807-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4324
- 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:4468
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qfnkeztGEzHx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1587.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1340
- 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:4948
- - 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:2308

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\tmp1587.tmp

Filesize
1KB

MD5
09e2ea31485bf5205a15a50b59a044be

SHA1
250f083f1794fe26c8cdb2b876c8d6e0dbaaba26

SHA256
e98362262d0b0082b48f08b6739e972ec5efc5e24bff698130282bedf4dc1a10

SHA512
0ad393559e4a0358168c460f827ce6c3369946fb74f876b76468d9f5f70a793940394340a91a2d94214ed867fbc0e6bbf166d606ac9477135713a6b37916ac25

Download Submit
memory/1340-139-0x0000000000000000-mapping.dmp

Download
memory/2308-152-0x00000000007E0000-0x00000000007FA000-memory.dmp

Filesize
104KB

Download
memory/2308-151-0x0000000000000000-mapping.dmp

Download
memory/4324-132-0x0000000000A70000-0x0000000000B30000-memory.dmp

Filesize
768KB

Download
memory/4324-133-0x0000000005B70000-0x0000000006114000-memory.dmp

Filesize
5.6MB

Download
memory/4324-134-0x00000000054B0000-0x0000000005542000-memory.dmp

Filesize
584KB

Download
memory/4324-135-0x0000000005550000-0x000000000555A000-memory.dmp

Filesize
40KB

Download
memory/4324-136-0x0000000008000000-0x000000000809C000-memory.dmp

Filesize
624KB

Download
memory/4324-137-0x0000000001380000-0x00000000013E6000-memory.dmp

Filesize
408KB

Download
memory/4468-149-0x0000000004B30000-0x0000000004B52000-memory.dmp

Filesize
136KB

Download
memory/4468-154-0x0000000005B80000-0x0000000005B9E000-memory.dmp

Filesize
120KB

Download
memory/4468-164-0x0000000007190000-0x0000000007198000-memory.dmp

Filesize
32KB

Download
memory/4468-163-0x0000000007240000-0x000000000725A000-memory.dmp

Filesize
104KB

Download
memory/4468-142-0x0000000004D10000-0x0000000005338000-memory.dmp

Filesize
6.2MB

Download
memory/4468-150-0x0000000004BD0000-0x0000000004C36000-memory.dmp

Filesize
408KB

Download
memory/4468-140-0x00000000045F0000-0x0000000004626000-memory.dmp

Filesize
216KB

Download
memory/4468-138-0x0000000000000000-mapping.dmp

Download
memory/4468-162-0x0000000007150000-0x000000000715E000-memory.dmp

Filesize
56KB

Download
memory/4468-161-0x00000000071A0000-0x0000000007236000-memory.dmp

Filesize
600KB

Download
memory/4468-155-0x0000000006180000-0x00000000061B2000-memory.dmp

Filesize
200KB

Download
memory/4468-156-0x0000000070400000-0x000000007044C000-memory.dmp

Filesize
304KB

Download
memory/4468-157-0x0000000006040000-0x000000000605E000-memory.dmp

Filesize
120KB

Download
memory/4468-158-0x0000000007560000-0x0000000007BDA000-memory.dmp

Filesize
6.5MB

Download
memory/4468-159-0x0000000006F10000-0x0000000006F2A000-memory.dmp

Filesize
104KB

Download
memory/4468-160-0x0000000006F80000-0x0000000006F8A000-memory.dmp

Filesize
40KB

Download
memory/4948-144-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4948-153-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4948-146-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4948-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads