modiloader | fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23

Analysis

max time kernel
4s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 05:46

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General

Target

fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe
Size

112KB
MD5

aa2816fb07a3778da9bb0d0db86b42a7
SHA1

181719cb65beef3ff0dbf7a5c949949729601561
SHA256

fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23
SHA512

bce7d427cf9947bd3f6e12e6c64c58338a65a168b54283aa7fd2b3ad5f5114db88963699589f690311fb8c855416bf9b23c876123b15820659d154ddcfb1801f
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/5068-69-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5068-70-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5068-68-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5068-79-0x0000000000400000-0x0000000000414000-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	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe

Executes dropped EXE 3 IoCs

pid	Process
4260	WAMain.exe
3092	WAMain.exe
5068	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-1-5-21-493223053-2004649691-1575712786-1000\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 2588 set thread context of 4820	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	83
PID 2588 set thread context of 3876	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	84
PID 4260 set thread context of 2168	4260	WAMain.exe	90
PID 4260 set thread context of 3092	4260	WAMain.exe	91
PID 4260 set thread context of 5068	4260	WAMain.exe	92

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3876-18-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3876-16-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3876-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5068-69-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-70-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-68-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-67-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5068-64-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3876-50-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3876-76-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3092-77-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5068-79-0x0000000000400000-0x0000000000414000-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	cmd.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe
4820	svchost.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe
4820	svchost.exe
3876	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe
4260	WAMain.exe
2168	svchost.exe
3092	WAMain.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 4820	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	83
PID 2588 wrote to memory of 4820	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	83
PID 2588 wrote to memory of 4820	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	83
PID 2588 wrote to memory of 4820	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	83
PID 2588 wrote to memory of 4820	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	83
PID 2588 wrote to memory of 4820	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	83
PID 2588 wrote to memory of 4820	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	83
PID 2588 wrote to memory of 4820	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	83
PID 2588 wrote to memory of 4820	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	83
PID 2588 wrote to memory of 3876	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	84
PID 2588 wrote to memory of 3876	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	84
PID 2588 wrote to memory of 3876	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	84
PID 2588 wrote to memory of 3876	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	84
PID 2588 wrote to memory of 3876	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	84
PID 2588 wrote to memory of 3876	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	84
PID 2588 wrote to memory of 3876	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	84
PID 2588 wrote to memory of 3876	2588	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	84
PID 3876 wrote to memory of 4132	3876	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	85
PID 3876 wrote to memory of 4132	3876	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	85
PID 3876 wrote to memory of 4132	3876	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	85
PID 4132 wrote to memory of 2328	4132	cmd.exe	88
PID 4132 wrote to memory of 2328	4132	cmd.exe	88
PID 4132 wrote to memory of 2328	4132	cmd.exe	88
PID 3876 wrote to memory of 4260	3876	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	89
PID 3876 wrote to memory of 4260	3876	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	89
PID 3876 wrote to memory of 4260	3876	fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe	89
PID 4260 wrote to memory of 2168	4260	WAMain.exe	90
PID 4260 wrote to memory of 2168	4260	WAMain.exe	90
PID 4260 wrote to memory of 2168	4260	WAMain.exe	90
PID 4260 wrote to memory of 2168	4260	WAMain.exe	90
PID 4260 wrote to memory of 2168	4260	WAMain.exe	90
PID 4260 wrote to memory of 2168	4260	WAMain.exe	90
PID 4260 wrote to memory of 2168	4260	WAMain.exe	90
PID 4260 wrote to memory of 2168	4260	WAMain.exe	90
PID 4260 wrote to memory of 2168	4260	WAMain.exe	90
PID 4260 wrote to memory of 3092	4260	WAMain.exe	91
PID 4260 wrote to memory of 3092	4260	WAMain.exe	91
PID 4260 wrote to memory of 3092	4260	WAMain.exe	91
PID 4260 wrote to memory of 3092	4260	WAMain.exe	91
PID 4260 wrote to memory of 3092	4260	WAMain.exe	91
PID 4260 wrote to memory of 3092	4260	WAMain.exe	91
PID 4260 wrote to memory of 3092	4260	WAMain.exe	91
PID 4260 wrote to memory of 3092	4260	WAMain.exe	91
PID 4260 wrote to memory of 5068	4260	WAMain.exe	92
PID 4260 wrote to memory of 5068	4260	WAMain.exe	92
PID 4260 wrote to memory of 5068	4260	WAMain.exe	92
PID 4260 wrote to memory of 5068	4260	WAMain.exe	92
PID 4260 wrote to memory of 5068	4260	WAMain.exe	92
PID 4260 wrote to memory of 5068	4260	WAMain.exe	92
PID 4260 wrote to memory of 5068	4260	WAMain.exe	92
PID 4260 wrote to memory of 5068	4260	WAMain.exe	92

C:\Users\Admin\AppData\Local\Temp\fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe
"C:\Users\Admin\AppData\Local\Temp\fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2588
- 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:4820
- C:\Users\Admin\AppData\Local\Temp\fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe
  "C:\Users\Admin\AppData\Local\Temp\fc895f3405ca7dc13b6cd50535ffc97af404adefb56bf7e83f650d2203873d23.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3876
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VUIJF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4132
  - - 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:2328
- - 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:4260
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:2168
  - - 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 SetWindowsHookEx
      PID:3092
  - - 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:5068

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\VUIJF.txt

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
932ee4797d8975b6e74bc0cf558328ce

SHA1
23962610fdcb4e0a2ee94c5fdb42218723773a67

SHA256
0b6c04462f8120bc4dd045629e84027314b4d1a5abe21fb2dcbd0c93e0b690c1

SHA512
688e1bcd383e3ce020f31aa002002f5a0198e762d5b5d9d11379d91593df68e3fe89dec78880300f6cd5675698d0ebfd3f1e2c643c845e26cde3aa63e28d9efc

Download Submit
memory/2168-52-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2168-63-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2168-58-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2168-78-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2588-4-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/2588-3-0x0000000002180000-0x0000000002182000-memory.dmp

Filesize
8KB

Download
memory/2588-8-0x0000000002BF0000-0x0000000002BF2000-memory.dmp

Filesize
8KB

Download
memory/2588-6-0x0000000002230000-0x0000000002232000-memory.dmp

Filesize
8KB

Download
memory/2588-15-0x0000000002170000-0x0000000002172000-memory.dmp

Filesize
8KB

Download
memory/2588-5-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/2588-2-0x0000000002170000-0x0000000002172000-memory.dmp

Filesize
8KB

Download
memory/3092-77-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3876-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3876-76-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3876-16-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3876-50-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3876-18-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4260-46-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4260-47-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4260-48-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4260-71-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4260-51-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4820-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4820-49-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4820-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4820-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5068-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5068-79-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download