modiloader | 66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84

Analysis

max time kernel
119s
max time network
28s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16/12/2024, 11:12

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General

Target

66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe
Size

300KB
MD5

cf6a09d163879310636ffbcba848c830
SHA1

b91e1ab90267f1c0bd036e6fee9dfdaf43167ced
SHA256

66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84
SHA512

190cd126e0a367ca606566fc3e3aba3f54186ea1f98e3f6909de91ace96a7e0a2788f54e35be5afd4f91675bb0afe76b4f86e75ebf0ee4b30e7441e0e65957d6
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38GP:UsxD5cwohO+O1sVG0/pZ6iPC8t

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/984-254-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1304	csrsll.exe
1768	csrsll.exe
984	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe
1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe
1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe
1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe
1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.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-1-5-21-3692679935-4019334568-335155002-1000\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 2448 set thread context of 1916	2448	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	30
PID 1304 set thread context of 1768	1304	csrsll.exe	35
PID 1304 set thread context of 984	1304	csrsll.exe	36

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1916-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1916-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1916-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1916-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1916-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1916-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1916-147-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/984-241-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1916-245-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1768-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/984-254-0x0000000000400000-0x0000000000414000-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	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	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.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 63 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe
Token: SeDebugPrivilege	1768	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2448	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe
1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe
1304	csrsll.exe
1768	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 1916	2448	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	30
PID 2448 wrote to memory of 1916	2448	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	30
PID 2448 wrote to memory of 1916	2448	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	30
PID 2448 wrote to memory of 1916	2448	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	30
PID 2448 wrote to memory of 1916	2448	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	30
PID 2448 wrote to memory of 1916	2448	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	30
PID 2448 wrote to memory of 1916	2448	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	30
PID 2448 wrote to memory of 1916	2448	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	30
PID 1916 wrote to memory of 1700	1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	31
PID 1916 wrote to memory of 1700	1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	31
PID 1916 wrote to memory of 1700	1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	31
PID 1916 wrote to memory of 1700	1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	31
PID 1700 wrote to memory of 2508	1700	cmd.exe	33
PID 1700 wrote to memory of 2508	1700	cmd.exe	33
PID 1700 wrote to memory of 2508	1700	cmd.exe	33
PID 1700 wrote to memory of 2508	1700	cmd.exe	33
PID 1916 wrote to memory of 1304	1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	34
PID 1916 wrote to memory of 1304	1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	34
PID 1916 wrote to memory of 1304	1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	34
PID 1916 wrote to memory of 1304	1916	66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe	34
PID 1304 wrote to memory of 1768	1304	csrsll.exe	35
PID 1304 wrote to memory of 1768	1304	csrsll.exe	35
PID 1304 wrote to memory of 1768	1304	csrsll.exe	35
PID 1304 wrote to memory of 1768	1304	csrsll.exe	35
PID 1304 wrote to memory of 1768	1304	csrsll.exe	35
PID 1304 wrote to memory of 1768	1304	csrsll.exe	35
PID 1304 wrote to memory of 1768	1304	csrsll.exe	35
PID 1304 wrote to memory of 1768	1304	csrsll.exe	35
PID 1304 wrote to memory of 984	1304	csrsll.exe	36
PID 1304 wrote to memory of 984	1304	csrsll.exe	36
PID 1304 wrote to memory of 984	1304	csrsll.exe	36
PID 1304 wrote to memory of 984	1304	csrsll.exe	36
PID 1304 wrote to memory of 984	1304	csrsll.exe	36
PID 1304 wrote to memory of 984	1304	csrsll.exe	36
PID 1304 wrote to memory of 984	1304	csrsll.exe	36
PID 1304 wrote to memory of 984	1304	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe
"C:\Users\Admin\AppData\Local\Temp\66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe
  "C:\Users\Admin\AppData\Local\Temp\66ca8312a397b4ea415477eca53b03284591ec5ff8a6a2913d457f598cf98d84N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PBINA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1700
  - - 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:2508
- - 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:1304
  - - 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:1768
  - - 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:984

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\PBINA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
b2cc3858e75a3b4783a4a9f15d59a0bc

SHA1
abd50a38525080e28e76078573a4c6a72dd2c75a

SHA256
838a47fe08880bb1d629bf8dcac8b37ff605a780359e351a22d5c172976bd6ea

SHA512
d90e667a50d6c3b781350f3bf6ba94304d9a0b6f96934dc4173b7f3ffe0a458cc6018e88cea728de5ef4905de91658653f37d86d42ae082c15260ce501578640

Download Submit
memory/984-254-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/984-241-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1304-161-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1304-173-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1304-151-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1768-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1916-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1916-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1916-245-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1916-147-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1916-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1916-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1916-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1916-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1916-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1916-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2448-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2448-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2448-77-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2448-59-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2448-89-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/2448-69-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2448-39-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2448-27-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2448-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2448-82-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/2448-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2448-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads