modiloader | ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 04:50

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General

Target

ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe
Size

90KB
MD5

c6dfc96bc642f26568ef64f8d693da0b
SHA1

9f0b1263597a1ca1d5f40a320ec5dc6786fc7c7a
SHA256

ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6
SHA512

3eb2f44b230678cc648005f68dd5b556acdce78f6752348ce6aacea60c6d0a7d389c443c318ba8db071f215c54c65b057f5e3c2d1e4ac9a4f8deb8d197c8d0dc
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDH:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3N

Score

10^/10

modiloader discovery persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

ModiLoader Second Stage 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4632-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4632-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4632-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4632-62-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

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:

ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid	Process
1048	csrsll.exe
1568	csrsll.exe
4632	csrsll.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.execsrsll.exe

description	pid	Process	procid_target
PID 868 set thread context of 3508	868	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	91
PID 1048 set thread context of 1568	1048	csrsll.exe	101
PID 1048 set thread context of 4632	1048	csrsll.exe	102

UPX packed file 19 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/868-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/868-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3508-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3508-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/868-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3508-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000f000000023baa-29.dat	upx
behavioral2/memory/3508-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1048-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1048-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4632-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4632-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4632-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4632-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4632-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1048-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3508-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1568-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4632-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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 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

Processes:

ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.execmd.exereg.execsrsll.execsrsll.execsrsll.exeee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

csrsll.exe

description	pid	Process
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe
Token: SeDebugPrivilege	1568	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exeee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.execsrsll.execsrsll.exe

pid	Process
868	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe
3508	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe
1048	csrsll.exe
1568	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exeee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.execmd.execsrsll.exe

description	pid	Process	procid_target
PID 868 wrote to memory of 3508	868	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	91
PID 868 wrote to memory of 3508	868	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	91
PID 868 wrote to memory of 3508	868	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	91
PID 868 wrote to memory of 3508	868	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	91
PID 868 wrote to memory of 3508	868	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	91
PID 868 wrote to memory of 3508	868	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	91
PID 868 wrote to memory of 3508	868	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	91
PID 868 wrote to memory of 3508	868	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	91
PID 3508 wrote to memory of 244	3508	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	92
PID 3508 wrote to memory of 244	3508	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	92
PID 3508 wrote to memory of 244	3508	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	92
PID 244 wrote to memory of 3852	244	cmd.exe	96
PID 244 wrote to memory of 3852	244	cmd.exe	96
PID 244 wrote to memory of 3852	244	cmd.exe	96
PID 3508 wrote to memory of 1048	3508	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	97
PID 3508 wrote to memory of 1048	3508	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	97
PID 3508 wrote to memory of 1048	3508	ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe	97
PID 1048 wrote to memory of 1568	1048	csrsll.exe	101
PID 1048 wrote to memory of 1568	1048	csrsll.exe	101
PID 1048 wrote to memory of 1568	1048	csrsll.exe	101
PID 1048 wrote to memory of 1568	1048	csrsll.exe	101
PID 1048 wrote to memory of 1568	1048	csrsll.exe	101
PID 1048 wrote to memory of 1568	1048	csrsll.exe	101
PID 1048 wrote to memory of 1568	1048	csrsll.exe	101
PID 1048 wrote to memory of 1568	1048	csrsll.exe	101
PID 1048 wrote to memory of 4632	1048	csrsll.exe	102
PID 1048 wrote to memory of 4632	1048	csrsll.exe	102
PID 1048 wrote to memory of 4632	1048	csrsll.exe	102
PID 1048 wrote to memory of 4632	1048	csrsll.exe	102
PID 1048 wrote to memory of 4632	1048	csrsll.exe	102
PID 1048 wrote to memory of 4632	1048	csrsll.exe	102
PID 1048 wrote to memory of 4632	1048	csrsll.exe	102
PID 1048 wrote to memory of 4632	1048	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe
"C:\Users\Admin\AppData\Local\Temp\ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe
  "C:\Users\Admin\AppData\Local\Temp\ee2a81b7d6dbd376d796f3b47ef75f1da40372ed6222c9aff1a9cd29a1c749b6.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3508
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VSBBN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:244
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:3852
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1048
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1568
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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:\Users\Admin\AppData\Local\Temp\VSBBN.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
90KB

MD5
7e4f3832303288f2f4e340b71e434ec5

SHA1
65b807e97f66d9695afde550c87cf66efe5be09f

SHA256
17ab3f1cd1ec261a13ed04d60c6fd19033fee2d8aa35a18b62e6a1e92e0fc661

SHA512
6a42bbfd620340f4de93a7623bd3a83ea662a2cf07094497e1a4f78f044252440e1a2c5f2440720dd84ab170fd4729c14fafa1aeaf44814a1a2a533419494c48

Download Submit
memory/868-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/868-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/868-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/868-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/868-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/868-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1048-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1048-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1048-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1568-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3508-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3508-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3508-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3508-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3508-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4632-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4632-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4632-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4632-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4632-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4632-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download