modiloader | d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6

Analysis

max time kernel
120s
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
27/11/2024, 04:53

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General

Target

d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe
Size

90KB
MD5

55324f73cb846aa8ca51ee0e7f3bad70
SHA1

9c57ec6e7afa0de840fc2c53baf5e4fac5767204
SHA256

d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6
SHA512

aef20ec5181600e8c4c85b4f00c9aba1d33cc5ae4f73bad622482a4e01df622f989b83152ffa396eedb59afb28a8ef4a63244069c94e39108f496b81dbb3b22f
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

resource	yara_rule
behavioral2/memory/2224-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2224-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2224-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2224-63-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe

Executes dropped EXE 3 IoCs

pid	Process
1424	csrsll.exe
1508	csrsll.exe
2224	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-1-5-21-493223053-2004649691-1575712786-1000\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 68 set thread context of 4092	68	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	89
PID 1424 set thread context of 1508	1424	csrsll.exe	101
PID 1424 set thread context of 2224	1424	csrsll.exe	102

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/68-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/68-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4092-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4092-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/68-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4092-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c84-29.dat	upx
behavioral2/memory/1424-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4092-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1424-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1424-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2224-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2224-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1424-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2224-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4092-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2224-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2224-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2224-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1508-64-0x0000000000400000-0x000000000040B000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe
Token: SeDebugPrivilege	1508	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
68	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe
4092	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe
1424	csrsll.exe
1508	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 68 wrote to memory of 4092	68	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	89
PID 68 wrote to memory of 4092	68	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	89
PID 68 wrote to memory of 4092	68	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	89
PID 68 wrote to memory of 4092	68	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	89
PID 68 wrote to memory of 4092	68	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	89
PID 68 wrote to memory of 4092	68	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	89
PID 68 wrote to memory of 4092	68	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	89
PID 68 wrote to memory of 4092	68	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	89
PID 4092 wrote to memory of 4176	4092	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	92
PID 4092 wrote to memory of 4176	4092	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	92
PID 4092 wrote to memory of 4176	4092	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	92
PID 4176 wrote to memory of 2916	4176	cmd.exe	96
PID 4176 wrote to memory of 2916	4176	cmd.exe	96
PID 4176 wrote to memory of 2916	4176	cmd.exe	96
PID 4092 wrote to memory of 1424	4092	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	97
PID 4092 wrote to memory of 1424	4092	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	97
PID 4092 wrote to memory of 1424	4092	d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe	97
PID 1424 wrote to memory of 1508	1424	csrsll.exe	101
PID 1424 wrote to memory of 1508	1424	csrsll.exe	101
PID 1424 wrote to memory of 1508	1424	csrsll.exe	101
PID 1424 wrote to memory of 1508	1424	csrsll.exe	101
PID 1424 wrote to memory of 1508	1424	csrsll.exe	101
PID 1424 wrote to memory of 1508	1424	csrsll.exe	101
PID 1424 wrote to memory of 1508	1424	csrsll.exe	101
PID 1424 wrote to memory of 1508	1424	csrsll.exe	101
PID 1424 wrote to memory of 2224	1424	csrsll.exe	102
PID 1424 wrote to memory of 2224	1424	csrsll.exe	102
PID 1424 wrote to memory of 2224	1424	csrsll.exe	102
PID 1424 wrote to memory of 2224	1424	csrsll.exe	102
PID 1424 wrote to memory of 2224	1424	csrsll.exe	102
PID 1424 wrote to memory of 2224	1424	csrsll.exe	102
PID 1424 wrote to memory of 2224	1424	csrsll.exe	102
PID 1424 wrote to memory of 2224	1424	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe
"C:\Users\Admin\AppData\Local\Temp\d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:68
- C:\Users\Admin\AppData\Local\Temp\d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe
  "C:\Users\Admin\AppData\Local\Temp\d68918f8193a9bf6c0edcb8479db02dd34ccd99907c6e6f80ac1ad834a7a87d6N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4092
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RNOBH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4176
  - - 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:2916
- - 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:1424
  - - 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:1508
  - - 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:2224

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\RNOBH.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1b890538706e146df0694019ce103bf0

SHA1
dea7bdba509195bc77ff7f5f7ad99cca89a1d0f2

SHA256
bcb519d5b6e70659e870edaa93d0d2968f956d20eb44e9def9df1f9fc8487824

SHA512
cd94ce62fe03b425bb6bb3d233022b31bff7c82264d1ef65502f1f25957f8a0ef44895bd7697606645824ce8cd7dd4f0e1d66196aba8c99b2ac6f451c8db5d2a

Download Submit
memory/68-6-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/68-5-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/68-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/68-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/68-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/68-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/1424-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1424-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1424-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1424-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1508-64-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2224-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2224-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2224-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2224-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2224-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2224-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4092-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4092-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4092-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4092-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4092-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads