modiloader | 470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9ae

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
09-11-2024 11:14

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General

Target

470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe
Size

90KB
MD5

f9255ac84a4540b7d90a72c226bb0ca0
SHA1

a56a451da61546acce0029a2d342ff723094fcda
SHA256

470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9ae
SHA512

f656c7d73a21a2998c06fdc7d67bc01290a0ff41b8dce5673845aa779fae11be28abb3d93f0c45290bba31e7de8904c4199c773d1ce4b7676b678d8ce3fb6a06
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 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3272-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3272-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3272-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3272-61-0x0000000000400000-0x0000000000414000-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

Processes:

470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid	Process
3564	csrsll.exe
3076	csrsll.exe
3272	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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.execsrsll.exe

description	pid	Process	procid_target
PID 844 set thread context of 2988	844	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	93
PID 3564 set thread context of 3076	3564	csrsll.exe	103
PID 3564 set thread context of 3272	3564	csrsll.exe	104

UPX packed file 20 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/844-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/844-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2988-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2988-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2988-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/844-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0009000000022719-29.dat	upx
behavioral2/memory/3564-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2988-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3564-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3564-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3272-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3272-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3272-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3272-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3272-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3564-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2988-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3076-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3272-61-0x0000000000400000-0x0000000000414000-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

Processes:

470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.execmd.exereg.execsrsll.execsrsll.execsrsll.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.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

Processes:

csrsll.exe

description	pid	Process
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe
Token: SeDebugPrivilege	3076	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.execsrsll.execsrsll.exe

pid	Process
844	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe
2988	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe
3564	csrsll.exe
3076	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.execmd.execsrsll.exe

description	pid	Process	procid_target
PID 844 wrote to memory of 2988	844	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	93
PID 844 wrote to memory of 2988	844	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	93
PID 844 wrote to memory of 2988	844	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	93
PID 844 wrote to memory of 2988	844	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	93
PID 844 wrote to memory of 2988	844	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	93
PID 844 wrote to memory of 2988	844	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	93
PID 844 wrote to memory of 2988	844	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	93
PID 844 wrote to memory of 2988	844	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	93
PID 2988 wrote to memory of 2380	2988	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	94
PID 2988 wrote to memory of 2380	2988	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	94
PID 2988 wrote to memory of 2380	2988	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	94
PID 2380 wrote to memory of 1136	2380	cmd.exe	98
PID 2380 wrote to memory of 1136	2380	cmd.exe	98
PID 2380 wrote to memory of 1136	2380	cmd.exe	98
PID 2988 wrote to memory of 3564	2988	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	99
PID 2988 wrote to memory of 3564	2988	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	99
PID 2988 wrote to memory of 3564	2988	470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe	99
PID 3564 wrote to memory of 3076	3564	csrsll.exe	103
PID 3564 wrote to memory of 3076	3564	csrsll.exe	103
PID 3564 wrote to memory of 3076	3564	csrsll.exe	103
PID 3564 wrote to memory of 3076	3564	csrsll.exe	103
PID 3564 wrote to memory of 3076	3564	csrsll.exe	103
PID 3564 wrote to memory of 3076	3564	csrsll.exe	103
PID 3564 wrote to memory of 3076	3564	csrsll.exe	103
PID 3564 wrote to memory of 3076	3564	csrsll.exe	103
PID 3564 wrote to memory of 3272	3564	csrsll.exe	104
PID 3564 wrote to memory of 3272	3564	csrsll.exe	104
PID 3564 wrote to memory of 3272	3564	csrsll.exe	104
PID 3564 wrote to memory of 3272	3564	csrsll.exe	104
PID 3564 wrote to memory of 3272	3564	csrsll.exe	104
PID 3564 wrote to memory of 3272	3564	csrsll.exe	104
PID 3564 wrote to memory of 3272	3564	csrsll.exe	104
PID 3564 wrote to memory of 3272	3564	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe
"C:\Users\Admin\AppData\Local\Temp\470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:844
- C:\Users\Admin\AppData\Local\Temp\470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe
  "C:\Users\Admin\AppData\Local\Temp\470f7be8ecfca6081c1eed416b18052ee98d2d1d4977523e3154305af245d9aeN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\INJKV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2380
  - - 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:1136
- - 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:3564
  - - 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:3076
  - - 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:3272

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\INJKV.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
5b269ebed39acac505301d40b1430eee

SHA1
e826bd7d2903feffae5f586ff452716d22da8627

SHA256
f8e1d02f48329f3ebd8652a86e90c4d97118bc989d6394594bd685ff3d039134

SHA512
7b492167dcc9a53eb2d6eecd823472f128a954ff143557927a3122fcda06fe2acf4cda9fd1ce36b243a5569ea79aa58252aa7e74cbec3a6313ca90087dd0c4d7

Download Submit
memory/844-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/844-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/844-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/844-6-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/844-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/844-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2988-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3076-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3272-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3272-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3272-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3272-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3272-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3272-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3564-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3564-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3564-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3564-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download