modiloader | 8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397

Analysis

max time kernel
15s
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
03-12-2024 00:47

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General

Target

8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
Size

112KB
MD5

66ce578f4214d247c35e38cfa05d4e40
SHA1

38db9772b1bcb7d388559842e723fe17eb11e926
SHA256

8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397
SHA512

b34bdc321294e058077d764f6c758ffd5a745283ae3d00cee5e6402fa62ec8b4777f36112bd3f831c2b7270742fd37adfef6cce5514d62f33a74ccb00484c4bd
SSDEEP

1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJ:tVIr7zI+fAceoGxSKKo5

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/1196-66-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1196-65-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1196-64-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1196-74-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe

Executes dropped EXE 3 IoCs

pid	Process
4788	WAMain.exe
2116	WAMain.exe
1196	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-1-5-21-3442511616-637977696-3186306149-1000\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 632 set thread context of 3144	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	82
PID 632 set thread context of 512	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	83
PID 4788 set thread context of 3516	4788	WAMain.exe	89
PID 4788 set thread context of 2116	4788	WAMain.exe	90
PID 4788 set thread context of 1196	4788	WAMain.exe	91

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/512-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/512-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/512-15-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/512-46-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1196-66-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1196-61-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1196-65-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1196-64-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1196-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/512-70-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2116-73-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1196-74-0x0000000000400000-0x0000000000414000-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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.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	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe
3144	svchost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	WAMain.exe
Token: SeDebugPrivilege	2116	WAMain.exe
Token: SeDebugPrivilege	2116	WAMain.exe
Token: SeDebugPrivilege	2116	WAMain.exe
Token: SeDebugPrivilege	2116	WAMain.exe
Token: SeDebugPrivilege	2116	WAMain.exe
Token: SeDebugPrivilege	2116	WAMain.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
3144	svchost.exe
512	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
4788	WAMain.exe
3516	svchost.exe
2116	WAMain.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 3144	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	82
PID 632 wrote to memory of 3144	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	82
PID 632 wrote to memory of 3144	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	82
PID 632 wrote to memory of 3144	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	82
PID 632 wrote to memory of 3144	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	82
PID 632 wrote to memory of 3144	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	82
PID 632 wrote to memory of 3144	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	82
PID 632 wrote to memory of 3144	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	82
PID 632 wrote to memory of 3144	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	82
PID 632 wrote to memory of 512	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	83
PID 632 wrote to memory of 512	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	83
PID 632 wrote to memory of 512	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	83
PID 632 wrote to memory of 512	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	83
PID 632 wrote to memory of 512	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	83
PID 632 wrote to memory of 512	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	83
PID 632 wrote to memory of 512	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	83
PID 632 wrote to memory of 512	632	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	83
PID 512 wrote to memory of 4856	512	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	84
PID 512 wrote to memory of 4856	512	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	84
PID 512 wrote to memory of 4856	512	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	84
PID 4856 wrote to memory of 1684	4856	cmd.exe	87
PID 4856 wrote to memory of 1684	4856	cmd.exe	87
PID 4856 wrote to memory of 1684	4856	cmd.exe	87
PID 512 wrote to memory of 4788	512	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	88
PID 512 wrote to memory of 4788	512	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	88
PID 512 wrote to memory of 4788	512	8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe	88
PID 4788 wrote to memory of 3516	4788	WAMain.exe	89
PID 4788 wrote to memory of 3516	4788	WAMain.exe	89
PID 4788 wrote to memory of 3516	4788	WAMain.exe	89
PID 4788 wrote to memory of 3516	4788	WAMain.exe	89
PID 4788 wrote to memory of 3516	4788	WAMain.exe	89
PID 4788 wrote to memory of 3516	4788	WAMain.exe	89
PID 4788 wrote to memory of 3516	4788	WAMain.exe	89
PID 4788 wrote to memory of 3516	4788	WAMain.exe	89
PID 4788 wrote to memory of 3516	4788	WAMain.exe	89
PID 4788 wrote to memory of 2116	4788	WAMain.exe	90
PID 4788 wrote to memory of 2116	4788	WAMain.exe	90
PID 4788 wrote to memory of 2116	4788	WAMain.exe	90
PID 4788 wrote to memory of 2116	4788	WAMain.exe	90
PID 4788 wrote to memory of 2116	4788	WAMain.exe	90
PID 4788 wrote to memory of 2116	4788	WAMain.exe	90
PID 4788 wrote to memory of 2116	4788	WAMain.exe	90
PID 4788 wrote to memory of 2116	4788	WAMain.exe	90
PID 4788 wrote to memory of 1196	4788	WAMain.exe	91
PID 4788 wrote to memory of 1196	4788	WAMain.exe	91
PID 4788 wrote to memory of 1196	4788	WAMain.exe	91
PID 4788 wrote to memory of 1196	4788	WAMain.exe	91
PID 4788 wrote to memory of 1196	4788	WAMain.exe	91
PID 4788 wrote to memory of 1196	4788	WAMain.exe	91
PID 4788 wrote to memory of 1196	4788	WAMain.exe	91
PID 4788 wrote to memory of 1196	4788	WAMain.exe	91

C:\Users\Admin\AppData\Local\Temp\8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
"C:\Users\Admin\AppData\Local\Temp\8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:632
- 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:3144
- C:\Users\Admin\AppData\Local\Temp\8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe
  "C:\Users\Admin\AppData\Local\Temp\8b210314b9f7e16aac9c6c61aa18a1b95081e284e0bef220798bf6adad93d397N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:512
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EDRHU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4856
  - - 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:1684
- - 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:4788
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:3516
  - - 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:2116
  - - 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:1196

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\EDRHU.txt

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
7249fcd1850b1c0266ae00b651ea74a1

SHA1
bf9711e692b90aa018ae1d04137eb18fe072493e

SHA256
5b6e19bbbb7ae36e1518a286ac9e8cd2d4d363dc765092ddd6a826119d285d57

SHA512
696caff6d94d22a75c8ab30b3985d7e0ab1e894f46f5f853861f88a34a79167c2d2987ceb7607cd7561dbd7f0de3496fa6a0c38c7b70e3afb5acf4271e85ae19

Download Submit
memory/512-46-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/512-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/512-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/512-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/512-15-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/632-2-0x0000000002B20000-0x0000000002B22000-memory.dmp

Filesize
8KB

Download
memory/632-5-0x0000000002CC0000-0x0000000002CC2000-memory.dmp

Filesize
8KB

Download
memory/632-7-0x0000000002D30000-0x0000000002D32000-memory.dmp

Filesize
8KB

Download
memory/632-3-0x0000000002B30000-0x0000000002B32000-memory.dmp

Filesize
8KB

Download
memory/632-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/1196-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1196-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1196-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1196-65-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1196-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1196-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2116-73-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3144-16-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3144-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3144-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3144-48-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3516-72-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3516-52-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3516-50-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4788-49-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4788-47-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4788-69-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4788-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4788-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download