modiloader | 58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 09:38

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General

Target

58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe
Size

90KB
MD5

216fa3d25d0d55d373e5ad83af328070
SHA1

195fc5f5f1061640700e0e810e3b454d1581bb18
SHA256

58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5
SHA512

8423788f994d2e5018c133c0a33d2f8b3f2b60019ef98a24b3213391a2d74e63d43f1f53f768bdfba9d60d0e8bd3b0cd9396963b79011eb3e2af371a199ad89f
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDh:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

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/216-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/216-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/216-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/216-63-0x0000000000400000-0x0000000000414000-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe

Executes dropped EXE 3 IoCs

pid	Process
1572	csrsll.exe
2644	csrsll.exe
216	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-1-5-21-523280732-2327480845-3730041215-1000\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 4280 set thread context of 2884	4280	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	82
PID 1572 set thread context of 2644	1572	csrsll.exe	95
PID 1572 set thread context of 216	1572	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4280-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2884-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2884-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2884-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4280-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4280-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x00080000000234e3-30.dat	upx
behavioral2/memory/1572-38-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2884-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1572-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/216-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1572-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/216-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/216-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1572-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/216-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/216-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2884-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2644-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/216-63-0x0000000000400000-0x0000000000414000-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	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe
Token: SeDebugPrivilege	2644	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4280	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe
2884	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe
1572	csrsll.exe
2644	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 2884	4280	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	82
PID 4280 wrote to memory of 2884	4280	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	82
PID 4280 wrote to memory of 2884	4280	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	82
PID 4280 wrote to memory of 2884	4280	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	82
PID 4280 wrote to memory of 2884	4280	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	82
PID 4280 wrote to memory of 2884	4280	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	82
PID 4280 wrote to memory of 2884	4280	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	82
PID 4280 wrote to memory of 2884	4280	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	82
PID 2884 wrote to memory of 2020	2884	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	87
PID 2884 wrote to memory of 2020	2884	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	87
PID 2884 wrote to memory of 2020	2884	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	87
PID 2020 wrote to memory of 1668	2020	cmd.exe	90
PID 2020 wrote to memory of 1668	2020	cmd.exe	90
PID 2020 wrote to memory of 1668	2020	cmd.exe	90
PID 2884 wrote to memory of 1572	2884	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	91
PID 2884 wrote to memory of 1572	2884	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	91
PID 2884 wrote to memory of 1572	2884	58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe	91
PID 1572 wrote to memory of 2644	1572	csrsll.exe	95
PID 1572 wrote to memory of 2644	1572	csrsll.exe	95
PID 1572 wrote to memory of 2644	1572	csrsll.exe	95
PID 1572 wrote to memory of 2644	1572	csrsll.exe	95
PID 1572 wrote to memory of 2644	1572	csrsll.exe	95
PID 1572 wrote to memory of 2644	1572	csrsll.exe	95
PID 1572 wrote to memory of 2644	1572	csrsll.exe	95
PID 1572 wrote to memory of 2644	1572	csrsll.exe	95
PID 1572 wrote to memory of 216	1572	csrsll.exe	96
PID 1572 wrote to memory of 216	1572	csrsll.exe	96
PID 1572 wrote to memory of 216	1572	csrsll.exe	96
PID 1572 wrote to memory of 216	1572	csrsll.exe	96
PID 1572 wrote to memory of 216	1572	csrsll.exe	96
PID 1572 wrote to memory of 216	1572	csrsll.exe	96
PID 1572 wrote to memory of 216	1572	csrsll.exe	96
PID 1572 wrote to memory of 216	1572	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe
"C:\Users\Admin\AppData\Local\Temp\58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4280
- C:\Users\Admin\AppData\Local\Temp\58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe
  "C:\Users\Admin\AppData\Local\Temp\58f3d953b2c45d984f8a7d847566f975d0ad4c5df9f8bff0bd3308ab1d0c6ae5N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XLVMI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2020
  - - 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:1668
- - 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:1572
  - - 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:2644
  - - 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:216

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\XLVMI.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e9a55322642882fb1c7ff672c91c0350

SHA1
170fb91723969ae52a30d777922939e078b52694

SHA256
5c75966f421e9f884390c5963b36a96e409b95802c0af6b5c264b59b33e04b4d

SHA512
cacd85e060413196ecd08c8748e3420ab9c7b67aa3f4ca5711ef8e0ac9df4a4373485f2eb8208829e81ef7be72a876903673c395731779063d2e3628dc09f839

Download Submit
memory/216-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/216-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/216-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/216-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/216-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/216-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1572-38-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1572-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1572-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1572-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2884-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4280-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4280-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4280-3-0x0000000002B40000-0x0000000002B42000-memory.dmp

Filesize
8KB

Download
memory/4280-4-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/4280-5-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4280-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4280-6-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads