modiloader | 7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 04:56

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General

Target

7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe
Size

90KB
MD5

8e4a0041e5a7f00e8c618b4b778a7714
SHA1

b4c62b44127d06e69d8a1431dfb0bed55f556eb0
SHA256

7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6
SHA512

a660930585b41e613ce5966c70c83642383d1ab61c72c687e459e9ebaf8b61bcb60237e87ed53262e33c88e1df8c5c4af68ee3e7b5496166e048f144d7bb3e70
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDq:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3g

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 1 IoCs

resource	yara_rule
behavioral1/memory/2068-255-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2020	csrsll.exe
1300	csrsll.exe
2068	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe
2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe
2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe
2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe
2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.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-1-5-21-4177215427-74451935-3209572229-1000\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 2084 set thread context of 2608	2084	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	31
PID 2020 set thread context of 1300	2020	csrsll.exe	36
PID 2020 set thread context of 2068	2020	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2084-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2084-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2608-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2608-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2608-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2084-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2608-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2084-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2608-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2608-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2608-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0009000000015d0e-130.dat	upx
behavioral1/memory/2020-148-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2608-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2020-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2020-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2608-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2068-255-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1300-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1300-257-0x0000000000400000-0x000000000040B000-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	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.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	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe
Token: SeDebugPrivilege	1300	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2084	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe
2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe
2020	csrsll.exe
1300	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2608	2084	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	31
PID 2084 wrote to memory of 2608	2084	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	31
PID 2084 wrote to memory of 2608	2084	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	31
PID 2084 wrote to memory of 2608	2084	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	31
PID 2084 wrote to memory of 2608	2084	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	31
PID 2084 wrote to memory of 2608	2084	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	31
PID 2084 wrote to memory of 2608	2084	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	31
PID 2084 wrote to memory of 2608	2084	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	31
PID 2608 wrote to memory of 2808	2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	32
PID 2608 wrote to memory of 2808	2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	32
PID 2608 wrote to memory of 2808	2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	32
PID 2608 wrote to memory of 2808	2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	32
PID 2808 wrote to memory of 1196	2808	cmd.exe	34
PID 2808 wrote to memory of 1196	2808	cmd.exe	34
PID 2808 wrote to memory of 1196	2808	cmd.exe	34
PID 2808 wrote to memory of 1196	2808	cmd.exe	34
PID 2608 wrote to memory of 2020	2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	35
PID 2608 wrote to memory of 2020	2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	35
PID 2608 wrote to memory of 2020	2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	35
PID 2608 wrote to memory of 2020	2608	7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe	35
PID 2020 wrote to memory of 1300	2020	csrsll.exe	36
PID 2020 wrote to memory of 1300	2020	csrsll.exe	36
PID 2020 wrote to memory of 1300	2020	csrsll.exe	36
PID 2020 wrote to memory of 1300	2020	csrsll.exe	36
PID 2020 wrote to memory of 1300	2020	csrsll.exe	36
PID 2020 wrote to memory of 1300	2020	csrsll.exe	36
PID 2020 wrote to memory of 1300	2020	csrsll.exe	36
PID 2020 wrote to memory of 1300	2020	csrsll.exe	36
PID 2020 wrote to memory of 2068	2020	csrsll.exe	37
PID 2020 wrote to memory of 2068	2020	csrsll.exe	37
PID 2020 wrote to memory of 2068	2020	csrsll.exe	37
PID 2020 wrote to memory of 2068	2020	csrsll.exe	37
PID 2020 wrote to memory of 2068	2020	csrsll.exe	37
PID 2020 wrote to memory of 2068	2020	csrsll.exe	37
PID 2020 wrote to memory of 2068	2020	csrsll.exe	37
PID 2020 wrote to memory of 2068	2020	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe
"C:\Users\Admin\AppData\Local\Temp\7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Users\Admin\AppData\Local\Temp\7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe
  "C:\Users\Admin\AppData\Local\Temp\7d975134fdb4f665df70dfd7da7cd422d39174f2891d81e13e39ebb3df30ace6.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\IUYVJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2808
  - - 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:1196
- - 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:2020
  - - 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:1300
  - - 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:2068

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

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\IUYVJ.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
89dde9a488c12f1ed73feb2c8fdf8b39

SHA1
ae18182626d49b24cc1b9031ba3dc06d491fede4

SHA256
2226bbeff65aba673533c0a364f7b21e9c12dd5825251b7eee56693508a3e3c7

SHA512
b1263ba66f6732d9431fe12a07f14bac774e0622043b3c5f5ca51bbd7a8809d88779506f4fe9e6c7668cd7e9e34427629aebff047a8371ab9e9d721c09001df7

Download Submit
memory/1300-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1300-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2020-175-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2020-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-164-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2020-148-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-154-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2020-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2068-255-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2084-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2084-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2084-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2084-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2084-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2084-29-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2084-41-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2084-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2084-71-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2084-79-0x0000000000480000-0x0000000000482000-memory.dmp

Filesize
8KB

Download
memory/2084-15-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2084-5-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2084-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2608-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-147-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2608-146-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2608-145-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2608-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-212-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2608-209-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2608-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2608-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads