modiloader | 5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 18:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe
Size

90KB
MD5

8166264208dc9421a8f785e76c8e6210
SHA1

57dd1693280269746458b9fd0c4d8090c2a894d3
SHA256

5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43
SHA512

4086a9f93341a17dfc0e359b566cf0b4747fc573cf5ff9805e5fbdebcfcf177049aec4cd512f265d4f2993a20da68cf6b4f92b59899f4e010c25e21eaad58b1e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 3 IoCs

resource	yara_rule
behavioral2/memory/5068-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5068-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5068-56-0x0000000000400000-0x0000000000414000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe

Executes dropped EXE 3 IoCs

pid	Process
1424	csrsll.exe
4528	csrsll.exe
5068	csrsll.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 1664	3052	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	84
PID 1424 set thread context of 4528	1424	csrsll.exe	96
PID 1424 set thread context of 5068	1424	csrsll.exe	97

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3052-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3052-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1664-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1664-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1664-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3052-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0009000000023c89-29.dat	upx
behavioral2/memory/1424-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1664-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1424-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1424-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5068-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1424-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1664-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4528-63-0x0000000000400000-0x000000000040B000-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

description	ioc	Process
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	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe
Token: SeDebugPrivilege	4528	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3052	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe
1664	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe
1424	csrsll.exe
4528	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1664	3052	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	84
PID 3052 wrote to memory of 1664	3052	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	84
PID 3052 wrote to memory of 1664	3052	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	84
PID 3052 wrote to memory of 1664	3052	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	84
PID 3052 wrote to memory of 1664	3052	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	84
PID 3052 wrote to memory of 1664	3052	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	84
PID 3052 wrote to memory of 1664	3052	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	84
PID 3052 wrote to memory of 1664	3052	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	84
PID 1664 wrote to memory of 3568	1664	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	85
PID 1664 wrote to memory of 3568	1664	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	85
PID 1664 wrote to memory of 3568	1664	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	85
PID 3568 wrote to memory of 4220	3568	cmd.exe	89
PID 3568 wrote to memory of 4220	3568	cmd.exe	89
PID 3568 wrote to memory of 4220	3568	cmd.exe	89
PID 1664 wrote to memory of 1424	1664	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	90
PID 1664 wrote to memory of 1424	1664	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	90
PID 1664 wrote to memory of 1424	1664	5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe	90
PID 1424 wrote to memory of 4528	1424	csrsll.exe	96
PID 1424 wrote to memory of 4528	1424	csrsll.exe	96
PID 1424 wrote to memory of 4528	1424	csrsll.exe	96
PID 1424 wrote to memory of 4528	1424	csrsll.exe	96
PID 1424 wrote to memory of 4528	1424	csrsll.exe	96
PID 1424 wrote to memory of 4528	1424	csrsll.exe	96
PID 1424 wrote to memory of 4528	1424	csrsll.exe	96
PID 1424 wrote to memory of 4528	1424	csrsll.exe	96
PID 1424 wrote to memory of 5068	1424	csrsll.exe	97
PID 1424 wrote to memory of 5068	1424	csrsll.exe	97
PID 1424 wrote to memory of 5068	1424	csrsll.exe	97
PID 1424 wrote to memory of 5068	1424	csrsll.exe	97
PID 1424 wrote to memory of 5068	1424	csrsll.exe	97
PID 1424 wrote to memory of 5068	1424	csrsll.exe	97
PID 1424 wrote to memory of 5068	1424	csrsll.exe	97
PID 1424 wrote to memory of 5068	1424	csrsll.exe	97

C:\Users\Admin\AppData\Local\Temp\5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe
"C:\Users\Admin\AppData\Local\Temp\5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe
  "C:\Users\Admin\AppData\Local\Temp\5437bd78e0d500bd88cef071a9914e6261e22653dbe3d6bcc135ee9119026a43N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\APQNW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3568
  - - 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:4220
- - 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:1424
  - - 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:4528
  - - 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:5068

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\APQNW.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d46e4d6147f109b3a65d898f78549fec

SHA1
8257ed4621c106b0faf700edbf2a1ecf7105325d

SHA256
2498eb65770dec8487ef08630d68d6d01aaeada8005d54d2f677a7badc8cbdd2

SHA512
3dbdc494f06a4dac19320dbce34538c965225cda5de340aa8601aef04322d813222518f804dbed69af8d3a0e459acb9c9601188c38fd36fc42e9736c2b9e0b99

Download Submit
memory/1424-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1424-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1424-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1424-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1664-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1664-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3052-3-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/3052-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3052-6-0x0000000002BA0000-0x0000000002BA2000-memory.dmp

Filesize
8KB

Download
memory/3052-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3052-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3052-4-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/4528-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5068-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads