modiloader | 6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2024 22:11

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General

Target

6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe
Size

90KB
MD5

15ffaf0e9678205773c11455a3315c44
SHA1

df3666612cf3f1afca3de7342aa9ac3d5bdf4d7f
SHA256

6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75
SHA512

cb161347c4c7fe7cc6d083f1d93f3279d50ef50c33d7a78f0ed5f603c8d193f089551d194df93f238a860cb947a5a79cb3f7655514bb8a57e483882176dd81ae
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/4048-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4048-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4048-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4048-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe

Executes dropped EXE 3 IoCs

pid	Process
5012	csrsll.exe
2056	csrsll.exe
4048	csrsll.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1672-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1672-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1612-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1612-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1672-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1612-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000233dd-30.dat	upx
behavioral2/memory/1612-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5012-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5012-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4048-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4048-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4048-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5012-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4048-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4048-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1612-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2056-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4048-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2412658365-3084825385-3340777666-1000\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 1672 set thread context of 1612	1672	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	88
PID 5012 set thread context of 2056	5012	csrsll.exe	96
PID 5012 set thread context of 4048	5012	csrsll.exe	97

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	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.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	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1672	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe
1612	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe
5012	csrsll.exe
2056	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1612	1672	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	88
PID 1672 wrote to memory of 1612	1672	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	88
PID 1672 wrote to memory of 1612	1672	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	88
PID 1672 wrote to memory of 1612	1672	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	88
PID 1672 wrote to memory of 1612	1672	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	88
PID 1672 wrote to memory of 1612	1672	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	88
PID 1672 wrote to memory of 1612	1672	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	88
PID 1672 wrote to memory of 1612	1672	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	88
PID 1612 wrote to memory of 4280	1612	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	89
PID 1612 wrote to memory of 4280	1612	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	89
PID 1612 wrote to memory of 4280	1612	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	89
PID 4280 wrote to memory of 2292	4280	cmd.exe	92
PID 4280 wrote to memory of 2292	4280	cmd.exe	92
PID 4280 wrote to memory of 2292	4280	cmd.exe	92
PID 1612 wrote to memory of 5012	1612	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	93
PID 1612 wrote to memory of 5012	1612	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	93
PID 1612 wrote to memory of 5012	1612	6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe	93
PID 5012 wrote to memory of 2056	5012	csrsll.exe	96
PID 5012 wrote to memory of 2056	5012	csrsll.exe	96
PID 5012 wrote to memory of 2056	5012	csrsll.exe	96
PID 5012 wrote to memory of 2056	5012	csrsll.exe	96
PID 5012 wrote to memory of 2056	5012	csrsll.exe	96
PID 5012 wrote to memory of 2056	5012	csrsll.exe	96
PID 5012 wrote to memory of 2056	5012	csrsll.exe	96
PID 5012 wrote to memory of 2056	5012	csrsll.exe	96
PID 5012 wrote to memory of 4048	5012	csrsll.exe	97
PID 5012 wrote to memory of 4048	5012	csrsll.exe	97
PID 5012 wrote to memory of 4048	5012	csrsll.exe	97
PID 5012 wrote to memory of 4048	5012	csrsll.exe	97
PID 5012 wrote to memory of 4048	5012	csrsll.exe	97
PID 5012 wrote to memory of 4048	5012	csrsll.exe	97
PID 5012 wrote to memory of 4048	5012	csrsll.exe	97
PID 5012 wrote to memory of 4048	5012	csrsll.exe	97

C:\Users\Admin\AppData\Local\Temp\6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe
"C:\Users\Admin\AppData\Local\Temp\6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe
  "C:\Users\Admin\AppData\Local\Temp\6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1612
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HIGOA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4280
  - - 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:2292
- - 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:5012
  - - 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:2056
  - - 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:4048

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\HIGOA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
15ffaf0e9678205773c11455a3315c44

SHA1
df3666612cf3f1afca3de7342aa9ac3d5bdf4d7f

SHA256
6eadbc7f8abf4250e4f90e0c7093250a6793c7173382482af6c60ed5f829ff75

SHA512
cb161347c4c7fe7cc6d083f1d93f3279d50ef50c33d7a78f0ed5f603c8d193f089551d194df93f238a860cb947a5a79cb3f7655514bb8a57e483882176dd81ae

Download Submit
memory/1612-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1612-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1612-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1612-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1612-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1612-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1672-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1672-4-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/1672-6-0x0000000002440000-0x0000000002442000-memory.dmp

Filesize
8KB

Download
memory/1672-7-0x0000000002450000-0x0000000002452000-memory.dmp

Filesize
8KB

Download
memory/1672-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1672-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2056-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4048-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5012-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5012-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5012-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads