modiloader | 332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 08:09

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General

Target

332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
Size

90KB
MD5

7fa86d14885c8719928371da000f09ef
SHA1

fa3adfb90ca15a40d5f596098d594548e25f46ec
SHA256

332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44
SHA512

5d50438888c2e335ea4282282f09237e0fdf265ea7d88905e6838a002ff21a1860e6be024d6af52e57963f043b9da363dd581adfef8aa9c50b7afe73f89beb97
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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/1436-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1436-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1436-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1436-62-0x0000000000400000-0x0000000000414000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe

Executes dropped EXE 3 IoCs

pid	Process
668	csrsll.exe
520	csrsll.exe
1436	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1068-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1068-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2164-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2164-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1068-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2164-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234f7-29.dat	upx
behavioral2/memory/668-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2164-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/668-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/668-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1436-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1436-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1436-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1436-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/668-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1436-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2164-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/520-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1436-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-1194130065-3471212556-1656947724-1000\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 1068 set thread context of 2164	1068	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 668 set thread context of 520	668	csrsll.exe	95
PID 668 set thread context of 1436	668	csrsll.exe	96

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	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.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	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe
Token: SeDebugPrivilege	520	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1068	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
2164	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
668	csrsll.exe
520	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 2164	1068	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1068 wrote to memory of 2164	1068	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1068 wrote to memory of 2164	1068	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1068 wrote to memory of 2164	1068	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1068 wrote to memory of 2164	1068	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1068 wrote to memory of 2164	1068	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1068 wrote to memory of 2164	1068	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 1068 wrote to memory of 2164	1068	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	87
PID 2164 wrote to memory of 3004	2164	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	88
PID 2164 wrote to memory of 3004	2164	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	88
PID 2164 wrote to memory of 3004	2164	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	88
PID 3004 wrote to memory of 4516	3004	cmd.exe	91
PID 3004 wrote to memory of 4516	3004	cmd.exe	91
PID 3004 wrote to memory of 4516	3004	cmd.exe	91
PID 2164 wrote to memory of 668	2164	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	92
PID 2164 wrote to memory of 668	2164	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	92
PID 2164 wrote to memory of 668	2164	332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe	92
PID 668 wrote to memory of 520	668	csrsll.exe	95
PID 668 wrote to memory of 520	668	csrsll.exe	95
PID 668 wrote to memory of 520	668	csrsll.exe	95
PID 668 wrote to memory of 520	668	csrsll.exe	95
PID 668 wrote to memory of 520	668	csrsll.exe	95
PID 668 wrote to memory of 520	668	csrsll.exe	95
PID 668 wrote to memory of 520	668	csrsll.exe	95
PID 668 wrote to memory of 520	668	csrsll.exe	95
PID 668 wrote to memory of 1436	668	csrsll.exe	96
PID 668 wrote to memory of 1436	668	csrsll.exe	96
PID 668 wrote to memory of 1436	668	csrsll.exe	96
PID 668 wrote to memory of 1436	668	csrsll.exe	96
PID 668 wrote to memory of 1436	668	csrsll.exe	96
PID 668 wrote to memory of 1436	668	csrsll.exe	96
PID 668 wrote to memory of 1436	668	csrsll.exe	96
PID 668 wrote to memory of 1436	668	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
"C:\Users\Admin\AppData\Local\Temp\332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Users\Admin\AppData\Local\Temp\332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe
  "C:\Users\Admin\AppData\Local\Temp\332f9f7f997b721d4225cdd2c8ddeec650bc7d237cdb84e5db50200ae1092b44.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NKJNA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3004
  - - 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:4516
- - 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:668
  - - 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:520
  - - 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:1436

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\NKJNA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
152a884e593afb3445a8039933db8416

SHA1
63e3ba6e2b7a8fc0fc44ef21bfe937d6ed91fdfa

SHA256
b5020fed48c1c607fcd31e1df3de621edce33d0090ba32435a9e65bc426da059

SHA512
c546bdfbf735e10f74a3988f1ff72905530a023c54c0891cc1e927649f0388a32e68fb5e0fb0cecdbbc4d5ae24db9232b0ea07c61e98f9f450c1eeda1192fe49

Download Submit
memory/520-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/668-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/668-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/668-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/668-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1068-6-0x0000000002A90000-0x0000000002A92000-memory.dmp

Filesize
8KB

Download
memory/1068-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1068-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1068-5-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/1068-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1068-3-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/1436-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1436-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1436-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1436-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1436-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1436-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2164-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2164-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads