modiloader | 81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f

Analysis

max time kernel
22s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 00:07

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General

Target

81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe
Size

112KB
MD5

d1782bc1ff39aa369a1be5467ce698a3
SHA1

bce5ef9dcee28167a89e32c3d4ab0c1889f1796c
SHA256

81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f
SHA512

a3e51230901cf08527ae580e71090f228c4761393cad731039549be214dab6358fb6b8a8b6ad93a9e43642461862ca64e5573738e0617cb48ac5218a426c4d99
SSDEEP

1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJI:tVIr7zI+fAceoGxSKKo5I

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 3 IoCs

resource	yara_rule
behavioral2/memory/4976-67-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4976-68-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4976-78-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe

Executes dropped EXE 3 IoCs

pid	Process
2812	WAMain.exe
4776	WAMain.exe
4976	WAMain.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows WA = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\WAMain.exe"	reg.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 4024 set thread context of 1740	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	83
PID 4024 set thread context of 3900	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	84
PID 2812 set thread context of 2384	2812	WAMain.exe	90
PID 2812 set thread context of 4776	2812	WAMain.exe	91
PID 2812 set thread context of 4976	2812	WAMain.exe	92

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3900-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3900-18-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3900-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4976-64-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4976-67-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4976-68-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4976-66-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3900-49-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3900-72-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4776-75-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4976-78-0x0000000000400000-0x0000000000414000-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 9 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	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe
Token: SeDebugPrivilege	4776	WAMain.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe
1740	svchost.exe
3900	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe
2812	WAMain.exe
2384	svchost.exe
4776	WAMain.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 1740	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	83
PID 4024 wrote to memory of 1740	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	83
PID 4024 wrote to memory of 1740	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	83
PID 4024 wrote to memory of 1740	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	83
PID 4024 wrote to memory of 1740	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	83
PID 4024 wrote to memory of 1740	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	83
PID 4024 wrote to memory of 1740	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	83
PID 4024 wrote to memory of 1740	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	83
PID 4024 wrote to memory of 1740	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	83
PID 4024 wrote to memory of 3900	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	84
PID 4024 wrote to memory of 3900	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	84
PID 4024 wrote to memory of 3900	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	84
PID 4024 wrote to memory of 3900	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	84
PID 4024 wrote to memory of 3900	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	84
PID 4024 wrote to memory of 3900	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	84
PID 4024 wrote to memory of 3900	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	84
PID 4024 wrote to memory of 3900	4024	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	84
PID 3900 wrote to memory of 1912	3900	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	85
PID 3900 wrote to memory of 1912	3900	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	85
PID 3900 wrote to memory of 1912	3900	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	85
PID 1912 wrote to memory of 2740	1912	cmd.exe	88
PID 1912 wrote to memory of 2740	1912	cmd.exe	88
PID 1912 wrote to memory of 2740	1912	cmd.exe	88
PID 3900 wrote to memory of 2812	3900	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	89
PID 3900 wrote to memory of 2812	3900	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	89
PID 3900 wrote to memory of 2812	3900	81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe	89
PID 2812 wrote to memory of 2384	2812	WAMain.exe	90
PID 2812 wrote to memory of 2384	2812	WAMain.exe	90
PID 2812 wrote to memory of 2384	2812	WAMain.exe	90
PID 2812 wrote to memory of 2384	2812	WAMain.exe	90
PID 2812 wrote to memory of 2384	2812	WAMain.exe	90
PID 2812 wrote to memory of 2384	2812	WAMain.exe	90
PID 2812 wrote to memory of 2384	2812	WAMain.exe	90
PID 2812 wrote to memory of 2384	2812	WAMain.exe	90
PID 2812 wrote to memory of 2384	2812	WAMain.exe	90
PID 2812 wrote to memory of 4776	2812	WAMain.exe	91
PID 2812 wrote to memory of 4776	2812	WAMain.exe	91
PID 2812 wrote to memory of 4776	2812	WAMain.exe	91
PID 2812 wrote to memory of 4776	2812	WAMain.exe	91
PID 2812 wrote to memory of 4776	2812	WAMain.exe	91
PID 2812 wrote to memory of 4776	2812	WAMain.exe	91
PID 2812 wrote to memory of 4776	2812	WAMain.exe	91
PID 2812 wrote to memory of 4776	2812	WAMain.exe	91
PID 2812 wrote to memory of 4976	2812	WAMain.exe	92
PID 2812 wrote to memory of 4976	2812	WAMain.exe	92
PID 2812 wrote to memory of 4976	2812	WAMain.exe	92
PID 2812 wrote to memory of 4976	2812	WAMain.exe	92
PID 2812 wrote to memory of 4976	2812	WAMain.exe	92
PID 2812 wrote to memory of 4976	2812	WAMain.exe	92
PID 2812 wrote to memory of 4976	2812	WAMain.exe	92
PID 2812 wrote to memory of 4976	2812	WAMain.exe	92

C:\Users\Admin\AppData\Local\Temp\81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe
"C:\Users\Admin\AppData\Local\Temp\81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1740
- C:\Users\Admin\AppData\Local\Temp\81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe
  "C:\Users\Admin\AppData\Local\Temp\81586f70b04a32f2b0aab52d814475d21398248af0b09a33042c26dd8147f44f.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3900
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WMKOJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1912
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows WA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:2740
- - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2812
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:2384
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4776
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\WMKOJ.txt

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
84c9dd137391282f7e3d50470a1878ba

SHA1
7655287f203970b60bcd794ac601b074f148d4bc

SHA256
6e91496ff56236a7613afdb1053dd78ca7780bb0ed79004c5f76764fc43e880d

SHA512
99ee2c549ae4c6b87339a9d5abcf099f943cfe8b5bd6ff7c16c1098b7e448f06c8086fd3fd596b00f44ac88776184edfbf3d3bb7301614eb69164dbdd2c3e84b

Download Submit
memory/1740-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1740-12-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1740-50-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1740-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2384-52-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2384-58-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2384-54-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2384-74-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2812-51-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2812-46-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2812-48-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2812-47-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2812-71-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3900-18-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3900-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3900-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3900-72-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3900-49-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4024-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4024-17-0x00000000022D0000-0x00000000022D2000-memory.dmp

Filesize
8KB

Download
memory/4024-3-0x0000000002B30000-0x0000000002B32000-memory.dmp

Filesize
8KB

Download
memory/4024-8-0x0000000002D30000-0x0000000002D32000-memory.dmp

Filesize
8KB

Download
memory/4024-6-0x0000000002CC0000-0x0000000002CC2000-memory.dmp

Filesize
8KB

Download
memory/4024-2-0x00000000022D0000-0x00000000022D2000-memory.dmp

Filesize
8KB

Download
memory/4024-5-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/4776-75-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4976-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-78-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download