blustealer | 5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f

Analysis

max time kernel
96s
max time network
32s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-03-2023 15:23

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General

Target

PAYMENT SWIFT COPY.exe
Size

1.1MB
MD5

ec7c37ae9c0377f3240a274290c9c214
SHA1

432915cb9e9e860a84e142719bf0e82392c69a6a
SHA256

5c11c170ecb5809594f68e860f910f6d004e356d067be232c3c856c9ed78459f
SHA512

326f282eb2a8c6f79de6f7019fc7d16be88345467301bc1d28c36f5c7094ac38ec206dc068d24c8bcecd0cb02e39af1d5070f839f9518f0e8e149ac5c5c0c576
SSDEEP

24576:KZUu39V1vMSb4gz1o5Ti81zSdyrjLDjFPR6KrXmTDa:yltsSkW1o5Tiouy/z6KrXmX

Score

10^/10

blustealer collection stealer

Malware Config

Extracted

Family

blustealer

https://api.telegram.org/bot5916787654:AAEJEadEk6VSBHL82vTGRS9aaNuh-zG53Rg/sendMessage?chat_id=5483672364

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 904 set thread context of 2024	904	PAYMENT SWIFT COPY.exe	33
PID 2024 set thread context of 1676	2024	PAYMENT SWIFT COPY.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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
1424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
320	powershell.exe
1032	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	320	powershell.exe
Token: SeDebugPrivilege	1032	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2024	PAYMENT SWIFT COPY.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 320	904	PAYMENT SWIFT COPY.exe	27
PID 904 wrote to memory of 320	904	PAYMENT SWIFT COPY.exe	27
PID 904 wrote to memory of 320	904	PAYMENT SWIFT COPY.exe	27
PID 904 wrote to memory of 320	904	PAYMENT SWIFT COPY.exe	27
PID 904 wrote to memory of 1032	904	PAYMENT SWIFT COPY.exe	29
PID 904 wrote to memory of 1032	904	PAYMENT SWIFT COPY.exe	29
PID 904 wrote to memory of 1032	904	PAYMENT SWIFT COPY.exe	29
PID 904 wrote to memory of 1032	904	PAYMENT SWIFT COPY.exe	29
PID 904 wrote to memory of 1424	904	PAYMENT SWIFT COPY.exe	31
PID 904 wrote to memory of 1424	904	PAYMENT SWIFT COPY.exe	31
PID 904 wrote to memory of 1424	904	PAYMENT SWIFT COPY.exe	31
PID 904 wrote to memory of 1424	904	PAYMENT SWIFT COPY.exe	31
PID 904 wrote to memory of 2024	904	PAYMENT SWIFT COPY.exe	33
PID 904 wrote to memory of 2024	904	PAYMENT SWIFT COPY.exe	33
PID 904 wrote to memory of 2024	904	PAYMENT SWIFT COPY.exe	33
PID 904 wrote to memory of 2024	904	PAYMENT SWIFT COPY.exe	33
PID 904 wrote to memory of 2024	904	PAYMENT SWIFT COPY.exe	33
PID 904 wrote to memory of 2024	904	PAYMENT SWIFT COPY.exe	33
PID 904 wrote to memory of 2024	904	PAYMENT SWIFT COPY.exe	33
PID 904 wrote to memory of 2024	904	PAYMENT SWIFT COPY.exe	33
PID 904 wrote to memory of 2024	904	PAYMENT SWIFT COPY.exe	33
PID 2024 wrote to memory of 1676	2024	PAYMENT SWIFT COPY.exe	34
PID 2024 wrote to memory of 1676	2024	PAYMENT SWIFT COPY.exe	34
PID 2024 wrote to memory of 1676	2024	PAYMENT SWIFT COPY.exe	34
PID 2024 wrote to memory of 1676	2024	PAYMENT SWIFT COPY.exe	34
PID 2024 wrote to memory of 1676	2024	PAYMENT SWIFT COPY.exe	34
PID 2024 wrote to memory of 1676	2024	PAYMENT SWIFT COPY.exe	34
PID 2024 wrote to memory of 1676	2024	PAYMENT SWIFT COPY.exe	34
PID 2024 wrote to memory of 1676	2024	PAYMENT SWIFT COPY.exe	34
PID 2024 wrote to memory of 1676	2024	PAYMENT SWIFT COPY.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:320
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QrErGuxRXcieO.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1032
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QrErGuxRXcieO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A77.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1424
- C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe
  "C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT COPY.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2024
- - 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
    - outlook_office_path
    - outlook_win_path
    PID:1676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6A77.tmp

Filesize
1KB

MD5
2a79895251b20ea9d39816515e33f7e2

SHA1
c90a0e68ca990660ce55c9d1dbbce003433469e2

SHA256
00dec0f9fb81e3f647e4a9c76f2bee37d551a6a0d88731ae88f5242c61c9d987

SHA512
0fed6c1afa020af7563a07e9e85b57e1d363d6b06b33366b30289fe6e759705c51edbc86eef2934d1fac11b6cda989a5187453e1e05caa580b0ffaf34af14325

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\SLXEAJ09D3X2F31WJA0A.temp

Filesize
7KB

MD5
6344ec654712c76f5317e984ba71b685

SHA1
85f5381d31e751798fabae5c9d69e836876acd18

SHA256
2498eeacf7fef3a37f403aac389f07039907fcad516319d102d1228effb225f1

SHA512
cd07a6d6be2d85273f8f04b48d9b41ad2b8a5db6cc99f9f5375bd0131183108bc44f8f297a61c60ad45d0e8e6906cf116b7cd30dc531bb640883dc67af6740ae

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
6344ec654712c76f5317e984ba71b685

SHA1
85f5381d31e751798fabae5c9d69e836876acd18

SHA256
2498eeacf7fef3a37f403aac389f07039907fcad516319d102d1228effb225f1

SHA512
cd07a6d6be2d85273f8f04b48d9b41ad2b8a5db6cc99f9f5375bd0131183108bc44f8f297a61c60ad45d0e8e6906cf116b7cd30dc531bb640883dc67af6740ae

Download Submit
memory/320-82-0x0000000001CD0000-0x0000000001D10000-memory.dmp

Filesize
256KB

Download
memory/904-55-0x0000000004CC0000-0x0000000004D00000-memory.dmp

Filesize
256KB

Download
memory/904-56-0x0000000000730000-0x0000000000750000-memory.dmp

Filesize
128KB

Download
memory/904-57-0x0000000000AD0000-0x0000000000ADC000-memory.dmp

Filesize
48KB

Download
memory/904-58-0x0000000007ED0000-0x0000000007FBC000-memory.dmp

Filesize
944KB

Download
memory/904-71-0x0000000008240000-0x00000000082B6000-memory.dmp

Filesize
472KB

Download
memory/904-54-0x0000000000C10000-0x0000000000D24000-memory.dmp

Filesize
1.1MB

Download
memory/1032-83-0x0000000002720000-0x0000000002760000-memory.dmp

Filesize
256KB

Download
memory/1676-85-0x0000000000130000-0x0000000000196000-memory.dmp

Filesize
408KB

Download
memory/1676-86-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1676-92-0x00000000009A0000-0x0000000000A5C000-memory.dmp

Filesize
752KB

Download
memory/1676-91-0x0000000000130000-0x0000000000196000-memory.dmp

Filesize
408KB

Download
memory/1676-89-0x0000000000130000-0x0000000000196000-memory.dmp

Filesize
408KB

Download
memory/1676-87-0x0000000000130000-0x0000000000196000-memory.dmp

Filesize
408KB

Download
memory/2024-74-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2024-72-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2024-84-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2024-73-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2024-76-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2024-79-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2024-77-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2024-93-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download