modiloader | 61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637

Analysis

max time kernel
3s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2025 16:22

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General

Target

61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe
Size

112KB
MD5

0009027463b1ab5e591af9cd110e2dc5
SHA1

ce8e2bfa4bedb9ff1a15b5a2764a2803aa6ecb16
SHA256

61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637
SHA512

120297ad08afef85f14914eebee6f290912969baa852922982337ce56abbf9f0363d04bb12d4fae43c141c569f8a5a8dd01c0ed88871083f7cd0afeaa62c046f
SSDEEP

1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJu:tVIr7zI+fAceoGxSKKo5u

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/2896-68-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2896-67-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2896-69-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2896-78-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows WA = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\WAMain.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 460 set thread context of 3740	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	83
PID 460 set thread context of 3656	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	84

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3656-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3656-17-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3656-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3656-48-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2896-68-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2896-67-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2896-69-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2896-66-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2896-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3656-75-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3116-76-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2896-78-0x0000000000400000-0x0000000000414000-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 6 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	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe
3740	svchost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe
3740	svchost.exe
3656	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe
2720	WAMain.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 3740	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	83
PID 460 wrote to memory of 3740	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	83
PID 460 wrote to memory of 3740	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	83
PID 460 wrote to memory of 3740	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	83
PID 460 wrote to memory of 3740	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	83
PID 460 wrote to memory of 3740	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	83
PID 460 wrote to memory of 3740	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	83
PID 460 wrote to memory of 3740	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	83
PID 460 wrote to memory of 3740	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	83
PID 460 wrote to memory of 3656	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	84
PID 460 wrote to memory of 3656	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	84
PID 460 wrote to memory of 3656	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	84
PID 460 wrote to memory of 3656	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	84
PID 460 wrote to memory of 3656	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	84
PID 460 wrote to memory of 3656	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	84
PID 460 wrote to memory of 3656	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	84
PID 460 wrote to memory of 3656	460	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	84
PID 3656 wrote to memory of 4520	3656	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	85
PID 3656 wrote to memory of 4520	3656	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	85
PID 3656 wrote to memory of 4520	3656	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	85
PID 4520 wrote to memory of 3604	4520	cmd.exe	88
PID 4520 wrote to memory of 3604	4520	cmd.exe	88
PID 4520 wrote to memory of 3604	4520	cmd.exe	88
PID 3656 wrote to memory of 2720	3656	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	89
PID 3656 wrote to memory of 2720	3656	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	89
PID 3656 wrote to memory of 2720	3656	61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe	89

C:\Users\Admin\AppData\Local\Temp\61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe
"C:\Users\Admin\AppData\Local\Temp\61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:460
- 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:3740
- C:\Users\Admin\AppData\Local\Temp\61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe
  "C:\Users\Admin\AppData\Local\Temp\61ba837d4a96d73b5ea71a3e2426bfb2c1da42c018f58197b4b136a34d61c637.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3656
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QEBPY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4520
  - - 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:3604
- - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2720
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      PID:2652
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      PID:3116
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      PID:2896

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\QEBPY.txt

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
21785e91ebd99fd0764bfb32b5965c7d

SHA1
502b6a2d3e0f7d0f44e19057c63d531218ac6b04

SHA256
2d1bbac7e2c6f0cf6baefd53bedcdc08387dc34220c7cc41630d515b3761ee04

SHA512
4e4c48912f7a6e27739012c77444466b5b1958487158dc19e3ff298e9c6cdfb15b69a7d121bb505098e3386e474e4b8cf1a5633edaf4c4c00e4d3ef8744e73e7

Download Submit
memory/460-7-0x0000000002BF0000-0x0000000002BF2000-memory.dmp

Filesize
8KB

Download
memory/460-3-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/460-4-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/460-16-0x00000000021A0000-0x00000000021A2000-memory.dmp

Filesize
8KB

Download
memory/460-2-0x00000000021A0000-0x00000000021A2000-memory.dmp

Filesize
8KB

Download
memory/2652-77-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2652-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2652-62-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2652-51-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2720-50-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2720-70-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2720-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2720-46-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2720-47-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2896-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-78-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2896-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3116-76-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3656-17-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3656-48-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3656-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3656-75-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3656-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3740-49-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3740-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3740-12-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3740-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download