blustealer | 37a00c3fa2945635f627455fbe31e05146c69427df5dab9b9d0fa21a1bb14cb3

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 06:47

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General

Target

JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe
Size

1.1MB
MD5

147df2e568f7f1ab66c80ee3750071c8
SHA1

95ae7d0650f3c0b3983bbc6c17e1906b3e885a08
SHA256

37a00c3fa2945635f627455fbe31e05146c69427df5dab9b9d0fa21a1bb14cb3
SHA512

e84bfb4b743377ea2d6fe1248ffa2e433b5d4d23d83c394ac6f92fb58cc840327eb734a87b21727bdad89f42ef522044710024ce5d5e6ec6808d1fd2ca39d694
SSDEEP

24576:w7rjjcpyXb3wGvgHFk9hYATuKYLLow2Fxa/a:cWyLKttLofxay

Score

10^/10

blustealer discovery stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
budgetn.shop
Port:
587
Username:
[email protected]
Password:
FLM[l0rL!SL5

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
852	dfxzdg.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1764 set thread context of 2728	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	31
PID 852 set thread context of 1920	852	dfxzdg.exe	40

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dfxzdg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2764	schtasks.exe
1988	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe
Token: SeDebugPrivilege	852	dfxzdg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2728	vbc.exe
1920	vbc.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 2728	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	31
PID 1764 wrote to memory of 2728	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	31
PID 1764 wrote to memory of 2728	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	31
PID 1764 wrote to memory of 2728	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	31
PID 1764 wrote to memory of 2728	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	31
PID 1764 wrote to memory of 2728	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	31
PID 1764 wrote to memory of 2728	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	31
PID 1764 wrote to memory of 2728	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	31
PID 1764 wrote to memory of 2728	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	31
PID 1764 wrote to memory of 2864	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	32
PID 1764 wrote to memory of 2864	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	32
PID 1764 wrote to memory of 2864	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	32
PID 1764 wrote to memory of 2864	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	32
PID 1764 wrote to memory of 2700	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	33
PID 1764 wrote to memory of 2700	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	33
PID 1764 wrote to memory of 2700	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	33
PID 1764 wrote to memory of 2700	1764	JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe	33
PID 2864 wrote to memory of 2764	2864	cmd.exe	36
PID 2864 wrote to memory of 2764	2864	cmd.exe	36
PID 2864 wrote to memory of 2764	2864	cmd.exe	36
PID 2864 wrote to memory of 2764	2864	cmd.exe	36
PID 1900 wrote to memory of 852	1900	taskeng.exe	39
PID 1900 wrote to memory of 852	1900	taskeng.exe	39
PID 1900 wrote to memory of 852	1900	taskeng.exe	39
PID 1900 wrote to memory of 852	1900	taskeng.exe	39
PID 852 wrote to memory of 1920	852	dfxzdg.exe	40
PID 852 wrote to memory of 1920	852	dfxzdg.exe	40
PID 852 wrote to memory of 1920	852	dfxzdg.exe	40
PID 852 wrote to memory of 1920	852	dfxzdg.exe	40
PID 852 wrote to memory of 1920	852	dfxzdg.exe	40
PID 852 wrote to memory of 1920	852	dfxzdg.exe	40
PID 852 wrote to memory of 1920	852	dfxzdg.exe	40
PID 852 wrote to memory of 1920	852	dfxzdg.exe	40
PID 852 wrote to memory of 1920	852	dfxzdg.exe	40
PID 852 wrote to memory of 324	852	dfxzdg.exe	41
PID 852 wrote to memory of 324	852	dfxzdg.exe	41
PID 852 wrote to memory of 324	852	dfxzdg.exe	41
PID 852 wrote to memory of 324	852	dfxzdg.exe	41
PID 852 wrote to memory of 2004	852	dfxzdg.exe	43
PID 852 wrote to memory of 2004	852	dfxzdg.exe	43
PID 852 wrote to memory of 2004	852	dfxzdg.exe	43
PID 852 wrote to memory of 2004	852	dfxzdg.exe	43
PID 324 wrote to memory of 1988	324	cmd.exe	44
PID 324 wrote to memory of 1988	324	cmd.exe	44
PID 324 wrote to memory of 1988	324	cmd.exe	44
PID 324 wrote to memory of 1988	324	cmd.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe'" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_147df2e568f7f1ab66c80ee3750071c8.exe" "C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700

C:\Windows\system32\taskeng.exe
taskeng.exe {EEBCA2B9-4085-4D47-B0A3-C8B9D079ED95} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe
  C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:852
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1920
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe'" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:324
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe'" /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1988
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe" "C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\dfxzdg\dfxzdg.exe

Filesize
1.1MB

MD5
147df2e568f7f1ab66c80ee3750071c8

SHA1
95ae7d0650f3c0b3983bbc6c17e1906b3e885a08

SHA256
37a00c3fa2945635f627455fbe31e05146c69427df5dab9b9d0fa21a1bb14cb3

SHA512
e84bfb4b743377ea2d6fe1248ffa2e433b5d4d23d83c394ac6f92fb58cc840327eb734a87b21727bdad89f42ef522044710024ce5d5e6ec6808d1fd2ca39d694

Download Submit
memory/852-24-0x00000000008A0000-0x00000000009C8000-memory.dmp

Filesize
1.2MB

Download
memory/1764-13-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1764-1-0x0000000000940000-0x0000000000A68000-memory.dmp

Filesize
1.2MB

Download
memory/1764-2-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1764-3-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/1764-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/1920-33-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-8-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2728-14-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2728-16-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2728-21-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2728-6-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2728-12-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-4-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads