modiloader | 9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab

Analysis

max time kernel
150s
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
15-01-2025 05:23

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General

Target

9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe
Size

326KB
MD5

8513c2732c08b0b95199cde118203284
SHA1

679596d2a007fb958ad8f1a103b7a5a25dd68294
SHA256

9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab
SHA512

a3e73be79d816d6a99a0dad2281916ae0483837337f9a83050d08c410917d48bf15d066d15edaed4356dee872d198df59135d19608779280b353fc921418257c
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVe:csxD5cwohO+O1sVG0/pZ6iPC8d

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/2268-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2268-59-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe

Executes dropped EXE 3 IoCs

pid	Process
4496	csrsll.exe
1364	csrsll.exe
2268	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-1-5-21-493223053-2004649691-1575712786-1000\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 4472 set thread context of 216	4472	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	86
PID 4496 set thread context of 1364	4496	csrsll.exe	102
PID 4496 set thread context of 2268	4496	csrsll.exe	103

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4472-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4472-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/216-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/216-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/216-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4472-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x0008000000023c78-28.dat	upx
behavioral2/memory/216-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4496-39-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4496-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2268-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2268-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2268-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2268-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/216-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4496-55-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2268-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1364-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2268-59-0x0000000000400000-0x0000000000414000-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	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe
Token: SeDebugPrivilege	1364	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4472	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe
216	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe
4496	csrsll.exe
1364	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 216	4472	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	86
PID 4472 wrote to memory of 216	4472	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	86
PID 4472 wrote to memory of 216	4472	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	86
PID 4472 wrote to memory of 216	4472	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	86
PID 4472 wrote to memory of 216	4472	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	86
PID 4472 wrote to memory of 216	4472	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	86
PID 4472 wrote to memory of 216	4472	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	86
PID 4472 wrote to memory of 216	4472	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	86
PID 216 wrote to memory of 4312	216	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	91
PID 216 wrote to memory of 4312	216	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	91
PID 216 wrote to memory of 4312	216	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	91
PID 4312 wrote to memory of 3708	4312	cmd.exe	95
PID 4312 wrote to memory of 3708	4312	cmd.exe	95
PID 4312 wrote to memory of 3708	4312	cmd.exe	95
PID 216 wrote to memory of 4496	216	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	96
PID 216 wrote to memory of 4496	216	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	96
PID 216 wrote to memory of 4496	216	9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe	96
PID 4496 wrote to memory of 1364	4496	csrsll.exe	102
PID 4496 wrote to memory of 1364	4496	csrsll.exe	102
PID 4496 wrote to memory of 1364	4496	csrsll.exe	102
PID 4496 wrote to memory of 1364	4496	csrsll.exe	102
PID 4496 wrote to memory of 1364	4496	csrsll.exe	102
PID 4496 wrote to memory of 1364	4496	csrsll.exe	102
PID 4496 wrote to memory of 1364	4496	csrsll.exe	102
PID 4496 wrote to memory of 1364	4496	csrsll.exe	102
PID 4496 wrote to memory of 2268	4496	csrsll.exe	103
PID 4496 wrote to memory of 2268	4496	csrsll.exe	103
PID 4496 wrote to memory of 2268	4496	csrsll.exe	103
PID 4496 wrote to memory of 2268	4496	csrsll.exe	103
PID 4496 wrote to memory of 2268	4496	csrsll.exe	103
PID 4496 wrote to memory of 2268	4496	csrsll.exe	103
PID 4496 wrote to memory of 2268	4496	csrsll.exe	103
PID 4496 wrote to memory of 2268	4496	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe
"C:\Users\Admin\AppData\Local\Temp\9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Users\Admin\AppData\Local\Temp\9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe
  "C:\Users\Admin\AppData\Local\Temp\9fa6d2bb2592e99b145c8c6bed367595a2c7ba3a2ecd830207a9549395e784ab.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VRFRD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4312
  - - 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:3708
- - 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:4496
  - - 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:1364
  - - 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:2268

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\VRFRD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
410de42cb9e26ad7e98ca01ea782a08a

SHA1
8884a639ad37b74704b01bb17e1f1d460e24277a

SHA256
5e5db1bc26c9cd403fdf33c23222cb7e2d4140df3ef9f4d83670c6a7ae768c1b

SHA512
97db4d3b9b62970c98768469d51c8a16832e36e9f02ac2017089a6162523452ccc57d29193255a64dd5a2a4689a31d451f51d363a48094bc17adc4211cbd805b

Download Submit
memory/216-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1364-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2268-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2268-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2268-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2268-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2268-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2268-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4472-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4472-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/4472-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/4472-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4472-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4472-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4496-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4496-39-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4496-55-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads