bazaloader | 5885edc6cb2774fa0c0f1b1299347213efe8634ecffe330164bc868c5ef92553

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2024 19:27

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General

Target

Document pdf.exe
Size

322KB
MD5

909737a0a11765901cdce436737ac172
SHA1

00d77473c837e0ed2887d6285a6c3c9e47ec83c8
SHA256

39cd390039e7ad850abd64cfc0b387c77470153c09d35108cf96a893185804a2
SHA512

e0989e9178201f126cc600b2d64c3609ff58f7ee3ab55f177fd7301f32cf13322afe7fdbe7334c52892ffc4f5b193fb38d841371c196ac44341bd54211dab2a2
SSDEEP

6144:+vMt6V/hdmkcyvAIFtUx2yTF5vdzfaiWKBilS70e8mZC9TbUcuJJCoED:EMtehrcyvAI8MyT3lfjyS70e84QEO1D

Score

10^/10

bazaloader warzonerat discovery infostealer rat trojan

Malware Config

Extracted

Family

warzonerat

tobi12345.hopto.org:50501

Signatures

Bazaloader family
bazaloader

Detects BazaLoader malware 2 IoCs

BazaLoader is a trojan that transmits logs to the Command and Control (C2) server, encoding them in BASE64 format through GET requests - JaffaCakes118.

trojan

resource	yara_rule
behavioral2/memory/4904-1940-0x0000000000400000-0x000000000055E000-memory.dmp	BazaLoader
behavioral2/memory/4904-1949-0x0000000000400000-0x000000000055E000-memory.dmp	BazaLoader

WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat
Warzonerat family
warzonerat

Warzone RAT payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4904-1940-0x0000000000400000-0x000000000055E000-memory.dmp	warzonerat
behavioral2/memory/4904-1949-0x0000000000400000-0x000000000055E000-memory.dmp	warzonerat

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\programs.bat	Document pdf.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\programs.bat:start	Document pdf.exe

Executes dropped EXE 2 IoCs

pid	Process
2356	win32.exe
5312	win32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4456 set thread context of 4904	4456	Document pdf.exe	89
PID 2356 set thread context of 5312	2356	win32.exe	96

System Location Discovery: System Language Discovery 1 TTPs 7 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	Document pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	win32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	win32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Document pdf.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\ProgramData:ApplicationData	Document pdf.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4456	Document pdf.exe
4456	Document pdf.exe
2356	win32.exe
2356	win32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4456	Document pdf.exe
Token: SeDebugPrivilege	2356	win32.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 4904	4456	Document pdf.exe	89
PID 4456 wrote to memory of 4904	4456	Document pdf.exe	89
PID 4456 wrote to memory of 4904	4456	Document pdf.exe	89
PID 4456 wrote to memory of 4904	4456	Document pdf.exe	89
PID 4456 wrote to memory of 4904	4456	Document pdf.exe	89
PID 4456 wrote to memory of 4904	4456	Document pdf.exe	89
PID 4456 wrote to memory of 4904	4456	Document pdf.exe	89
PID 4456 wrote to memory of 4904	4456	Document pdf.exe	89
PID 4456 wrote to memory of 4904	4456	Document pdf.exe	89
PID 4456 wrote to memory of 4904	4456	Document pdf.exe	89
PID 4904 wrote to memory of 2956	4904	Document pdf.exe	90
PID 4904 wrote to memory of 2956	4904	Document pdf.exe	90
PID 4904 wrote to memory of 2956	4904	Document pdf.exe	90
PID 4904 wrote to memory of 2356	4904	Document pdf.exe	91
PID 4904 wrote to memory of 2356	4904	Document pdf.exe	91
PID 4904 wrote to memory of 2356	4904	Document pdf.exe	91
PID 2956 wrote to memory of 3972	2956	cmd.exe	93
PID 2956 wrote to memory of 3972	2956	cmd.exe	93
PID 2956 wrote to memory of 3972	2956	cmd.exe	93
PID 2356 wrote to memory of 5312	2356	win32.exe	96
PID 2356 wrote to memory of 5312	2356	win32.exe	96
PID 2356 wrote to memory of 5312	2356	win32.exe	96
PID 2356 wrote to memory of 5312	2356	win32.exe	96
PID 2356 wrote to memory of 5312	2356	win32.exe	96
PID 2356 wrote to memory of 5312	2356	win32.exe	96
PID 2356 wrote to memory of 5312	2356	win32.exe	96
PID 2356 wrote to memory of 5312	2356	win32.exe	96
PID 2356 wrote to memory of 5312	2356	win32.exe	96
PID 2356 wrote to memory of 5312	2356	win32.exe	96
PID 5312 wrote to memory of 1152	5312	win32.exe	97
PID 5312 wrote to memory of 1152	5312	win32.exe	97
PID 5312 wrote to memory of 1152	5312	win32.exe	97
PID 5312 wrote to memory of 1152	5312	win32.exe	97
PID 5312 wrote to memory of 1152	5312	win32.exe	97

C:\Users\Admin\AppData\Local\Temp\Document pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Document pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Users\Admin\AppData\Local\Temp\Document pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Document pdf.exe"
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:4904
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\win32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2956
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\win32.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:3972
- - C:\ProgramData\win32.exe
    "C:\ProgramData\win32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2356
  - - C:\Users\Admin\AppData\Local\Temp\win32.exe
      C:\Users\Admin\AppData\Local\Temp\win32.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:5312
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\win32.exe

Filesize
322KB

MD5
909737a0a11765901cdce436737ac172

SHA1
00d77473c837e0ed2887d6285a6c3c9e47ec83c8

SHA256
39cd390039e7ad850abd64cfc0b387c77470153c09d35108cf96a893185804a2

SHA512
e0989e9178201f126cc600b2d64c3609ff58f7ee3ab55f177fd7301f32cf13322afe7fdbe7334c52892ffc4f5b193fb38d841371c196ac44341bd54211dab2a2

Download Submit
memory/2356-1950-0x000000007433E000-0x000000007433F000-memory.dmp

Filesize
4KB

Download
memory/2356-1952-0x0000000074330000-0x0000000074AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2356-3887-0x0000000074330000-0x0000000074AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2356-1953-0x0000000074330000-0x0000000074AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4456-51-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-43-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-4-0x0000000005780000-0x000000000578A000-memory.dmp

Filesize
40KB

Download
memory/4456-5-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4456-6-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/4456-7-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4456-8-0x0000000006DF0000-0x0000000006E40000-memory.dmp

Filesize
320KB

Download
memory/4456-9-0x0000000006F90000-0x0000000006FF6000-memory.dmp

Filesize
408KB

Download
memory/4456-29-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-33-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-73-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-71-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-69-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-67-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-63-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-61-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-59-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-57-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-55-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-53-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/4456-49-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-47-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-3-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/4456-41-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-39-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-37-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-35-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-31-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-27-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-25-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-23-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-21-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-20-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-15-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-13-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-65-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-45-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-17-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-11-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-10-0x0000000006F90000-0x0000000006FF1000-memory.dmp

Filesize
388KB

Download
memory/4456-1-0x0000000000D30000-0x0000000000D86000-memory.dmp

Filesize
344KB

Download
memory/4456-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/4456-1941-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4904-1940-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/4904-1949-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download