modiloader | 3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 18:42

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General

Target

3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe
Size

90KB
MD5

b4d78bf6898ffcffa37ba3b325567800
SHA1

6d589d2f19c70f8ab67cf8defed971798968189d
SHA256

3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585
SHA512

6d18a2f752666406ce10b12c4caa9241c5f5a60778c8809abd884b21389d1146df98dcb80084e33a70ee22c2aebda1e29f24382ac78a5682b76ce536cfe0efaa
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDR:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3D

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

resource	yara_rule
behavioral2/memory/1544-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1544-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1544-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1544-61-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe

Executes dropped EXE 3 IoCs

pid	Process
2668	csrsll.exe
3100	csrsll.exe
1544	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-1-5-21-3442511616-637977696-3186306149-1000\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 4832 set thread context of 4460	4832	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	84
PID 2668 set thread context of 3100	2668	csrsll.exe	95
PID 2668 set thread context of 1544	2668	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4832-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4832-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4460-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4460-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4460-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4832-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b9a-29.dat	upx
behavioral2/memory/4460-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2668-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2668-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1544-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1544-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1544-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1544-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2668-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1544-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4460-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3100-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1544-61-0x0000000000400000-0x0000000000414000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.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	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe
Token: SeDebugPrivilege	3100	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4832	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe
4460	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe
2668	csrsll.exe
3100	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 4460	4832	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	84
PID 4832 wrote to memory of 4460	4832	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	84
PID 4832 wrote to memory of 4460	4832	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	84
PID 4832 wrote to memory of 4460	4832	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	84
PID 4832 wrote to memory of 4460	4832	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	84
PID 4832 wrote to memory of 4460	4832	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	84
PID 4832 wrote to memory of 4460	4832	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	84
PID 4832 wrote to memory of 4460	4832	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	84
PID 4460 wrote to memory of 3260	4460	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	87
PID 4460 wrote to memory of 3260	4460	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	87
PID 4460 wrote to memory of 3260	4460	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	87
PID 3260 wrote to memory of 1072	3260	cmd.exe	90
PID 3260 wrote to memory of 1072	3260	cmd.exe	90
PID 3260 wrote to memory of 1072	3260	cmd.exe	90
PID 4460 wrote to memory of 2668	4460	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	91
PID 4460 wrote to memory of 2668	4460	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	91
PID 4460 wrote to memory of 2668	4460	3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe	91
PID 2668 wrote to memory of 3100	2668	csrsll.exe	95
PID 2668 wrote to memory of 3100	2668	csrsll.exe	95
PID 2668 wrote to memory of 3100	2668	csrsll.exe	95
PID 2668 wrote to memory of 3100	2668	csrsll.exe	95
PID 2668 wrote to memory of 3100	2668	csrsll.exe	95
PID 2668 wrote to memory of 3100	2668	csrsll.exe	95
PID 2668 wrote to memory of 3100	2668	csrsll.exe	95
PID 2668 wrote to memory of 3100	2668	csrsll.exe	95
PID 2668 wrote to memory of 1544	2668	csrsll.exe	96
PID 2668 wrote to memory of 1544	2668	csrsll.exe	96
PID 2668 wrote to memory of 1544	2668	csrsll.exe	96
PID 2668 wrote to memory of 1544	2668	csrsll.exe	96
PID 2668 wrote to memory of 1544	2668	csrsll.exe	96
PID 2668 wrote to memory of 1544	2668	csrsll.exe	96
PID 2668 wrote to memory of 1544	2668	csrsll.exe	96
PID 2668 wrote to memory of 1544	2668	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe
"C:\Users\Admin\AppData\Local\Temp\3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Users\Admin\AppData\Local\Temp\3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe
  "C:\Users\Admin\AppData\Local\Temp\3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LODJW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3260
  - - 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:1072
- - 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:2668
  - - 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:3100
  - - 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:1544

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
79e3d8c04902ab74eacd3575c6337751

SHA1
67e7542cb77d0e75fd44529e3e589978dc38b703

SHA256
097e0f370dce46bb4ad3252860f6a650c5048666e834585e0f470a8ab3632f51

SHA512
ab5d999f6ffba8c92a6be1b1f39f92abc9183dd5f9220d26383e5cbfcc9ca3665cff90dd34266fec8fc124a8e005795bb6e584ce5b527d211db8b669a0791769

Download Submit
memory/1544-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1544-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1544-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1544-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1544-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1544-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2668-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2668-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3100-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4460-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4460-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4460-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4460-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4460-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4460-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4832-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4832-6-0x0000000002450000-0x0000000002452000-memory.dmp

Filesize
8KB

Download
memory/4832-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4832-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4832-5-0x0000000002440000-0x0000000002442000-memory.dmp

Filesize
8KB

Download
memory/4832-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads