modiloader | faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 04:05

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General

Target

faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe
Size

90KB
MD5

40cb2307fac247c86d2509cecf069f73
SHA1

1ba74d7982a4a80b7bef32dbda47fbd4a97176fa
SHA256

faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a
SHA512

88a2aaa664653014ad1d5755daf82da8c8d68771d8cca32603322ecc5efa42406a7f9baec9c550774b14d2c0431ec7b293aa860d146c40aff71a71b156657147
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDD:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3N

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/4976-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4976-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4976-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4976-63-0x0000000000400000-0x0000000000414000-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	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe

Executes dropped EXE 3 IoCs

pid	Process
5112	csrsll.exe
364	csrsll.exe
4976	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 2256 set thread context of 2184	2256	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	84
PID 5112 set thread context of 364	5112	csrsll.exe	91
PID 5112 set thread context of 4976	5112	csrsll.exe	92

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2256-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2256-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2184-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2184-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2184-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2184-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2256-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0009000000023c08-29.dat	upx
behavioral2/memory/5112-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2184-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5112-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5112-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4976-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4976-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4976-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4976-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5112-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4976-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2184-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/364-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4976-63-0x0000000000400000-0x0000000000414000-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	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	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe
Token: SeDebugPrivilege	364	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2256	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe
2184	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe
5112	csrsll.exe
364	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2184	2256	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	84
PID 2256 wrote to memory of 2184	2256	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	84
PID 2256 wrote to memory of 2184	2256	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	84
PID 2256 wrote to memory of 2184	2256	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	84
PID 2256 wrote to memory of 2184	2256	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	84
PID 2256 wrote to memory of 2184	2256	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	84
PID 2256 wrote to memory of 2184	2256	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	84
PID 2256 wrote to memory of 2184	2256	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	84
PID 2184 wrote to memory of 620	2184	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	85
PID 2184 wrote to memory of 620	2184	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	85
PID 2184 wrote to memory of 620	2184	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	85
PID 620 wrote to memory of 3584	620	cmd.exe	89
PID 620 wrote to memory of 3584	620	cmd.exe	89
PID 620 wrote to memory of 3584	620	cmd.exe	89
PID 2184 wrote to memory of 5112	2184	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	90
PID 2184 wrote to memory of 5112	2184	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	90
PID 2184 wrote to memory of 5112	2184	faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe	90
PID 5112 wrote to memory of 364	5112	csrsll.exe	91
PID 5112 wrote to memory of 364	5112	csrsll.exe	91
PID 5112 wrote to memory of 364	5112	csrsll.exe	91
PID 5112 wrote to memory of 364	5112	csrsll.exe	91
PID 5112 wrote to memory of 364	5112	csrsll.exe	91
PID 5112 wrote to memory of 364	5112	csrsll.exe	91
PID 5112 wrote to memory of 364	5112	csrsll.exe	91
PID 5112 wrote to memory of 364	5112	csrsll.exe	91
PID 5112 wrote to memory of 4976	5112	csrsll.exe	92
PID 5112 wrote to memory of 4976	5112	csrsll.exe	92
PID 5112 wrote to memory of 4976	5112	csrsll.exe	92
PID 5112 wrote to memory of 4976	5112	csrsll.exe	92
PID 5112 wrote to memory of 4976	5112	csrsll.exe	92
PID 5112 wrote to memory of 4976	5112	csrsll.exe	92
PID 5112 wrote to memory of 4976	5112	csrsll.exe	92
PID 5112 wrote to memory of 4976	5112	csrsll.exe	92

C:\Users\Admin\AppData\Local\Temp\faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe
"C:\Users\Admin\AppData\Local\Temp\faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe
  "C:\Users\Admin\AppData\Local\Temp\faf0b5f8c176a43e7ad58ae0ada2710e7d190dce972cf2ecdf0913b8571e464a.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SWTHT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:620
  - - 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:3584
- - 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:5112
  - - 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:364
  - - 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:4976

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\SWTHT.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3208bfdea6bbb03f13ca02ec2f0200f3

SHA1
e217b063105b86b43839dca62126127f4df23cfe

SHA256
d471bcea57728edc5e6854186a65be6f32dad5781dec9213fe42b4ebf5a34e21

SHA512
4ec8bd5d785d683fb174bba73970e42ece92aa6b28feb6341fa9a3cdf2d61ab4d4c170c3a4d4194f4dbbddabeb89d9f4ac246d026047168d2fa25e14abf4f1a4

Download Submit
memory/364-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2184-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2184-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2184-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2184-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2184-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2184-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2184-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2256-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2256-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2256-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2256-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/2256-4-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/2256-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4976-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5112-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5112-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5112-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5112-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads