modiloader | 9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 00:00

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General

Target

9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe
Size

90KB
MD5

0200c503f434eb8e592075671f4c04f0
SHA1

4f9376f182f9c126c9ad90486587a0d98a214611
SHA256

9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970
SHA512

0b4889c2a96506a1268d53667ef4df51d70b02aba43afbf1103d9bf9bc04776b0469965a0031bd899f82054b527d3cbd41a2733e0950c3d897daff01c93aa211
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/3360-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3360-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3360-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3360-63-0x0000000000400000-0x0000000000414000-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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe

Executes dropped EXE 3 IoCs

pid	Process
5068	csrsll.exe
2556	csrsll.exe
3360	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/996-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/996-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3584-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3584-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/996-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3584-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234e8-29.dat	upx
behavioral2/memory/5068-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3584-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5068-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3360-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3360-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3360-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3360-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3360-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3584-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2556-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3360-63-0x0000000000400000-0x0000000000414000-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-1-5-21-355097885-2402257403-2971294179-1000\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 996 set thread context of 3584	996	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	87
PID 5068 set thread context of 2556	5068	csrsll.exe	95
PID 5068 set thread context of 3360	5068	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	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	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
996	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe
3584	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe
5068	csrsll.exe
2556	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 3584	996	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	87
PID 996 wrote to memory of 3584	996	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	87
PID 996 wrote to memory of 3584	996	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	87
PID 996 wrote to memory of 3584	996	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	87
PID 996 wrote to memory of 3584	996	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	87
PID 996 wrote to memory of 3584	996	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	87
PID 996 wrote to memory of 3584	996	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	87
PID 996 wrote to memory of 3584	996	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	87
PID 3584 wrote to memory of 4412	3584	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	88
PID 3584 wrote to memory of 4412	3584	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	88
PID 3584 wrote to memory of 4412	3584	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	88
PID 4412 wrote to memory of 4400	4412	cmd.exe	91
PID 4412 wrote to memory of 4400	4412	cmd.exe	91
PID 4412 wrote to memory of 4400	4412	cmd.exe	91
PID 3584 wrote to memory of 5068	3584	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	92
PID 3584 wrote to memory of 5068	3584	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	92
PID 3584 wrote to memory of 5068	3584	9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe	92
PID 5068 wrote to memory of 2556	5068	csrsll.exe	95
PID 5068 wrote to memory of 2556	5068	csrsll.exe	95
PID 5068 wrote to memory of 2556	5068	csrsll.exe	95
PID 5068 wrote to memory of 2556	5068	csrsll.exe	95
PID 5068 wrote to memory of 2556	5068	csrsll.exe	95
PID 5068 wrote to memory of 2556	5068	csrsll.exe	95
PID 5068 wrote to memory of 2556	5068	csrsll.exe	95
PID 5068 wrote to memory of 2556	5068	csrsll.exe	95
PID 5068 wrote to memory of 3360	5068	csrsll.exe	96
PID 5068 wrote to memory of 3360	5068	csrsll.exe	96
PID 5068 wrote to memory of 3360	5068	csrsll.exe	96
PID 5068 wrote to memory of 3360	5068	csrsll.exe	96
PID 5068 wrote to memory of 3360	5068	csrsll.exe	96
PID 5068 wrote to memory of 3360	5068	csrsll.exe	96
PID 5068 wrote to memory of 3360	5068	csrsll.exe	96
PID 5068 wrote to memory of 3360	5068	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe
"C:\Users\Admin\AppData\Local\Temp\9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:996
- C:\Users\Admin\AppData\Local\Temp\9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe
  "C:\Users\Admin\AppData\Local\Temp\9e4d3e7c6cad847e4aaa68e7e8af5f58ed326a61b566e51d2b6bc66734164970.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3584
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TRQUH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4412
  - - 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:4400
- - 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:5068
  - - 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:2556
  - - 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:3360

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\TRQUH.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
b4204631c6cc5aa249a3c547845d38e8

SHA1
8039b083a52b5615e68449912afaa5cd4167cddb

SHA256
28e2162c54ffe707d03b4212951848821802a48e06c2f86994818b4feb0e306b

SHA512
cf9b157d7626afd57657f86eca3041731ada607ca3d0bf7d4d820627b38e566ad8b4937e18ee5217127a859eca5026466e5428b6ca533d7ddb313d592b8cf4a3

Download Submit
memory/996-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/996-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/996-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/996-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/996-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/996-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2556-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3360-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3360-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3360-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3360-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3360-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3360-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3584-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3584-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3584-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3584-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3584-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5068-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5068-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5068-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5068-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads