modiloader | 0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2024 23:59

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General

Target

0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe
Size

326KB
MD5

8654e4b2c56cc99fb7df8a94f68ead90
SHA1

efc8cc129fed95c57148a374c2bc38d58dca68cc
SHA256

0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5
SHA512

18bdbc108d013e685015e9c14b81df98c69b68dc24ab9bfa63be3617d500a55d1f76cbe0cb443a2e609f457ce0317fe8cdf1e5e5fb2e672042c4a88e6fa9d9d3
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

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/640-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/640-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/640-60-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/640-62-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe

Executes dropped EXE 3 IoCs

pid	Process
1628	csrsll.exe
880	csrsll.exe
640	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-1-5-21-4050598569-1597076380-177084960-1000\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 3660 set thread context of 60	3660	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	87
PID 1628 set thread context of 880	1628	csrsll.exe	93
PID 1628 set thread context of 640	1628	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3660-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3660-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/60-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/60-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/60-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3660-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x000e000000023b93-29.dat	upx
behavioral2/memory/1628-36-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/60-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1628-41-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1628-42-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/640-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1628-53-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/60-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/640-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/640-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/640-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/640-60-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/880-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/640-62-0x0000000000400000-0x0000000000414000-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	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	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3660	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe
60	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe
1628	csrsll.exe
880	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 60	3660	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	87
PID 3660 wrote to memory of 60	3660	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	87
PID 3660 wrote to memory of 60	3660	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	87
PID 3660 wrote to memory of 60	3660	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	87
PID 3660 wrote to memory of 60	3660	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	87
PID 3660 wrote to memory of 60	3660	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	87
PID 3660 wrote to memory of 60	3660	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	87
PID 3660 wrote to memory of 60	3660	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	87
PID 60 wrote to memory of 3968	60	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	88
PID 60 wrote to memory of 3968	60	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	88
PID 60 wrote to memory of 3968	60	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	88
PID 3968 wrote to memory of 3904	3968	cmd.exe	91
PID 3968 wrote to memory of 3904	3968	cmd.exe	91
PID 3968 wrote to memory of 3904	3968	cmd.exe	91
PID 60 wrote to memory of 1628	60	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	92
PID 60 wrote to memory of 1628	60	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	92
PID 60 wrote to memory of 1628	60	0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe	92
PID 1628 wrote to memory of 880	1628	csrsll.exe	93
PID 1628 wrote to memory of 880	1628	csrsll.exe	93
PID 1628 wrote to memory of 880	1628	csrsll.exe	93
PID 1628 wrote to memory of 880	1628	csrsll.exe	93
PID 1628 wrote to memory of 880	1628	csrsll.exe	93
PID 1628 wrote to memory of 880	1628	csrsll.exe	93
PID 1628 wrote to memory of 880	1628	csrsll.exe	93
PID 1628 wrote to memory of 880	1628	csrsll.exe	93
PID 1628 wrote to memory of 640	1628	csrsll.exe	94
PID 1628 wrote to memory of 640	1628	csrsll.exe	94
PID 1628 wrote to memory of 640	1628	csrsll.exe	94
PID 1628 wrote to memory of 640	1628	csrsll.exe	94
PID 1628 wrote to memory of 640	1628	csrsll.exe	94
PID 1628 wrote to memory of 640	1628	csrsll.exe	94
PID 1628 wrote to memory of 640	1628	csrsll.exe	94
PID 1628 wrote to memory of 640	1628	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe
"C:\Users\Admin\AppData\Local\Temp\0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Users\Admin\AppData\Local\Temp\0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe
  "C:\Users\Admin\AppData\Local\Temp\0b178d90e3b1056f8c61c2684d3bcbd6e7dcdcc308c79120a1a9fa3c2a893da5N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:60
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IWDMV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3968
  - - 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:3904
- - 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:1628
  - - 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:880
  - - 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:640

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\IWDMV.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
7c9707de247e58935d1e2f11bd815e8e

SHA1
3c20d31f5d0c0c971d74186fe4252098f59fbb1a

SHA256
9b8db3dc2505bb59d4add54397c2c418cf1ddc32dd1b22d41e378ccc86ca2d37

SHA512
76862b58ba1861a29d3242ac409557511dc1b3897d5aba1a832398a9173108c98e4e23ffc02b21c97c9e912976ba0ceba4aff2f78792bccdbbc8ec09ad867510

Download Submit
memory/60-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/60-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/60-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/60-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/60-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/640-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/640-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/640-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/640-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/640-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/640-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/880-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-42-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1628-53-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1628-41-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1628-36-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3660-7-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/3660-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/3660-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/3660-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3660-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3660-6-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/3660-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads