modiloader | d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107

Analysis

max time kernel
118s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 14:37

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General

Target

d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe
Size

90KB
MD5

2bbcb81cc752b96929e3996bd3af6d20
SHA1

1eaa235c0539be315d24a20fed4f67b14b0af73d
SHA256

d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107
SHA512

fdb2c404042da7f75ec7c3ac5211a3399c5130687136beff9db7ea461c018f223de1a07d5c6acabb718cf85150c4cfea32c983bb446f7d157c2b3b0fa56388b7
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/4712-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4712-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4712-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4712-63-0x0000000000400000-0x0000000000414000-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	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe

Executes dropped EXE 3 IoCs

pid	Process
2696	csrsll.exe
2688	csrsll.exe
4712	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 972 set thread context of 552	972	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	82
PID 2696 set thread context of 2688	2696	csrsll.exe	95
PID 2696 set thread context of 4712	2696	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/972-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/972-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/552-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/552-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/972-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/552-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cbc-29.dat	upx
behavioral2/memory/552-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2696-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2696-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4712-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4712-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/552-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4712-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4712-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4712-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2696-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2688-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4712-63-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe
Token: SeDebugPrivilege	2688	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
972	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe
552	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe
2696	csrsll.exe
2688	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 552	972	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	82
PID 972 wrote to memory of 552	972	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	82
PID 972 wrote to memory of 552	972	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	82
PID 972 wrote to memory of 552	972	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	82
PID 972 wrote to memory of 552	972	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	82
PID 972 wrote to memory of 552	972	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	82
PID 972 wrote to memory of 552	972	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	82
PID 972 wrote to memory of 552	972	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	82
PID 552 wrote to memory of 412	552	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	83
PID 552 wrote to memory of 412	552	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	83
PID 552 wrote to memory of 412	552	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	83
PID 412 wrote to memory of 4640	412	cmd.exe	86
PID 412 wrote to memory of 4640	412	cmd.exe	86
PID 412 wrote to memory of 4640	412	cmd.exe	86
PID 552 wrote to memory of 2696	552	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	87
PID 552 wrote to memory of 2696	552	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	87
PID 552 wrote to memory of 2696	552	d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe	87
PID 2696 wrote to memory of 2688	2696	csrsll.exe	95
PID 2696 wrote to memory of 2688	2696	csrsll.exe	95
PID 2696 wrote to memory of 2688	2696	csrsll.exe	95
PID 2696 wrote to memory of 2688	2696	csrsll.exe	95
PID 2696 wrote to memory of 2688	2696	csrsll.exe	95
PID 2696 wrote to memory of 2688	2696	csrsll.exe	95
PID 2696 wrote to memory of 2688	2696	csrsll.exe	95
PID 2696 wrote to memory of 2688	2696	csrsll.exe	95
PID 2696 wrote to memory of 4712	2696	csrsll.exe	96
PID 2696 wrote to memory of 4712	2696	csrsll.exe	96
PID 2696 wrote to memory of 4712	2696	csrsll.exe	96
PID 2696 wrote to memory of 4712	2696	csrsll.exe	96
PID 2696 wrote to memory of 4712	2696	csrsll.exe	96
PID 2696 wrote to memory of 4712	2696	csrsll.exe	96
PID 2696 wrote to memory of 4712	2696	csrsll.exe	96
PID 2696 wrote to memory of 4712	2696	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe
"C:\Users\Admin\AppData\Local\Temp\d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:972
- C:\Users\Admin\AppData\Local\Temp\d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe
  "C:\Users\Admin\AppData\Local\Temp\d20d33456c8cb483fafa976ed4a120e73ae48903c2fb665d4634e88fe1067107N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:552
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PNLPD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:412
  - - 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:4640
- - 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:2696
  - - 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:2688
  - - 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:4712

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\PNLPD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
58ee909030392b8fb04fc403d7855bc6

SHA1
ff66c76ddc9d9f55d737e3087933f06303ebb8a0

SHA256
bbb8aaaade7ac2afc91f57a7232330d3bd95e25f20c13e0a1324deed005b7bc1

SHA512
8b4e69ad3eee1f9cfe45a972919748da3e08f058093be5d2c1a2a290a143e67a1b8f11df125620f97cae772362fba69fd9a8b82b0417a08a0a64c2b450a34217

Download Submit
memory/552-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/552-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/552-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/552-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/552-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/972-6-0x0000000002930000-0x0000000002932000-memory.dmp

Filesize
8KB

Download
memory/972-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/972-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/972-5-0x0000000002920000-0x0000000002922000-memory.dmp

Filesize
8KB

Download
memory/972-3-0x0000000002900000-0x0000000002902000-memory.dmp

Filesize
8KB

Download
memory/972-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2696-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2696-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2696-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4712-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4712-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4712-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4712-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4712-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4712-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads