blustealer | 101b3cc3a483b862054173d2c367eb0bcfb072e28687a7aa52914a43fb28aed4

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/2320-154-0x0000000000FC0000-0x0000000000FDA000-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-1-5-21-2295526160-1155304984-640977766-1000\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-1-5-21-2295526160-1155304984-640977766-1000\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
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

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

43 icanhazip.com

flow	ioc
43	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 2476 set thread context of 1012	2476	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1012 set thread context of 2320	1012	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

2120 schtasks.exe

pid	process
2120	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

swift.img_20220930_011_001.exepowershell.exe

pid	process
2476	swift.img_20220930_011_001.exe
2476	swift.img_20220930_011_001.exe
2476	swift.img_20220930_011_001.exe
2476	swift.img_20220930_011_001.exe
2476	swift.img_20220930_011_001.exe
2476	swift.img_20220930_011_001.exe
2476	swift.img_20220930_011_001.exe
2476	swift.img_20220930_011_001.exe
2476	swift.img_20220930_011_001.exe
2476	swift.img_20220930_011_001.exe
2148	powershell.exe
2148	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

swift.img_20220930_011_001.exe

pid process

1012 swift.img_20220930_011_001.exe

pid	process
1012	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	2476	swift.img_20220930_011_001.exe
Token: SeDebugPrivilege	2148	powershell.exe
Token: SeDebugPrivilege	2320	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

swift.img_20220930_011_001.exe

pid process

1012 swift.img_20220930_011_001.exe

pid	process
1012	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 2476 wrote to memory of 2148	2476	swift.img_20220930_011_001.exe	powershell.exe
PID 2476 wrote to memory of 2148	2476	swift.img_20220930_011_001.exe	powershell.exe
PID 2476 wrote to memory of 2148	2476	swift.img_20220930_011_001.exe	powershell.exe
PID 2476 wrote to memory of 2120	2476	swift.img_20220930_011_001.exe	schtasks.exe
PID 2476 wrote to memory of 2120	2476	swift.img_20220930_011_001.exe	schtasks.exe
PID 2476 wrote to memory of 2120	2476	swift.img_20220930_011_001.exe	schtasks.exe
PID 2476 wrote to memory of 1012	2476	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 2476 wrote to memory of 1012	2476	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 2476 wrote to memory of 1012	2476	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 2476 wrote to memory of 1012	2476	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 2476 wrote to memory of 1012	2476	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 2476 wrote to memory of 1012	2476	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 2476 wrote to memory of 1012	2476	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 2476 wrote to memory of 1012	2476	swift.img_20220930_011_001.exe	swift.img_20220930_011_001.exe
PID 1012 wrote to memory of 2320	1012	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1012 wrote to memory of 2320	1012	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1012 wrote to memory of 2320	1012	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1012 wrote to memory of 2320	1012	swift.img_20220930_011_001.exe	AppLaunch.exe
PID 1012 wrote to memory of 2320	1012	swift.img_20220930_011_001.exe	AppLaunch.exe

outlook_office_path 1 IoCs

Processes:

AppLaunch.exe

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

C:\Users\Admin\AppData\Local\Temp\swift.img_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:2476

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:2148

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qfnkeztGEzHx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD774.tmp"
2⤵
- Creates scheduled task(s)
PID:2120

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:1012

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:2320

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD774.tmp
Filesize
1KB

MD5
0f7151fb57d5d3791864a5d15cb7342a

SHA1
c05bf787b5617151d530ffdaef7b4129265ac3b4

SHA256
d4d5cb064b83aae889a9cf2c26193ecc4140b1703cb730c12631afd143e7bb06

SHA512
1288e7aee1ea8da6fd8ded6a6ef0d7500269cfe5aea15cf8af218341c79d758023f354a31be7a1003965d652aae4c46518be74615f3f2960688a1ab90d9ecd6f

Download Submit
memory/1012-165-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1012-151-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1012-147-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1012-144-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1012-143-0x0000000000000000-mapping.dmp

Download
memory/2120-139-0x0000000000000000-mapping.dmp

Download
memory/2148-160-0x0000000007C00000-0x0000000007C0A000-memory.dmp

Filesize
40KB

Download
memory/2148-163-0x0000000007ED0000-0x0000000007EEA000-memory.dmp

Filesize
104KB

Download
memory/2148-138-0x0000000000000000-mapping.dmp

Download
memory/2148-142-0x0000000005B00000-0x0000000006128000-memory.dmp

Filesize
6.2MB

Download
memory/2148-152-0x0000000006880000-0x000000000689E000-memory.dmp

Filesize
120KB

Download
memory/2148-164-0x0000000007EB0000-0x0000000007EB8000-memory.dmp

Filesize
32KB

Download
memory/2148-146-0x0000000005740000-0x0000000005762000-memory.dmp

Filesize
136KB

Download
memory/2148-162-0x0000000007DC0000-0x0000000007DCE000-memory.dmp

Filesize
56KB

Download
memory/2148-148-0x00000000059E0000-0x0000000005A46000-memory.dmp

Filesize
408KB

Download
memory/2148-161-0x0000000007E10000-0x0000000007EA6000-memory.dmp

Filesize
600KB

Download
memory/2148-159-0x0000000007B90000-0x0000000007BAA000-memory.dmp

Filesize
104KB

Download
memory/2148-140-0x0000000002F00000-0x0000000002F36000-memory.dmp

Filesize
216KB

Download
memory/2148-156-0x0000000071220000-0x000000007126C000-memory.dmp

Filesize
304KB

Download
memory/2148-155-0x0000000006E50000-0x0000000006E82000-memory.dmp

Filesize
200KB

Download
memory/2148-158-0x00000000081D0000-0x000000000884A000-memory.dmp

Filesize
6.5MB

Download
memory/2148-157-0x0000000006E20000-0x0000000006E3E000-memory.dmp

Filesize
120KB

Download
memory/2320-154-0x0000000000FC0000-0x0000000000FDA000-memory.dmp

Filesize
104KB

Download
memory/2320-153-0x0000000000000000-mapping.dmp

Download
memory/2476-133-0x0000000006060000-0x0000000006604000-memory.dmp

Filesize
5.6MB

Download
memory/2476-132-0x0000000000F50000-0x0000000001010000-memory.dmp

Filesize
768KB

Download
memory/2476-134-0x0000000005AB0000-0x0000000005B42000-memory.dmp

Filesize
584KB

Download
memory/2476-135-0x0000000005A90000-0x0000000005A9A000-memory.dmp

Filesize
40KB

Download
memory/2476-136-0x00000000084D0000-0x000000000856C000-memory.dmp

Filesize
624KB

Download
memory/2476-137-0x00000000018E0000-0x0000000001946000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads