modiloader | 798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450

Analysis

max time kernel
7s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 01:29

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General

Target

798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe
Size

112KB
MD5

d8cab5a9969dd3032845db5b5b5bee85
SHA1

073f2c3483dca996bca912642b83e17f96ab351a
SHA256

798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450
SHA512

1ef57300ad57b167d9194e16b80d2da4636f2bd01669e329245170cc9c2aa11de8addeefb975cf5613474b6a7602fe764ad33e7b1ff3312e9601c417485fc6e8
SSDEEP

1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJS:tVIr7zI+fAceoGxSKKo5S

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/2864-69-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2864-71-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2864-68-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2864-80-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe

Executes dropped EXE 3 IoCs

pid	Process
1220	WAMain.exe
64	WAMain.exe
2864	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-1-5-21-4050598569-1597076380-177084960-1000\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 4972 set thread context of 824	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	82
PID 4972 set thread context of 1744	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	83
PID 1220 set thread context of 1360	1220	WAMain.exe	89
PID 1220 set thread context of 64	1220	WAMain.exe	90
PID 1220 set thread context of 2864	1220	WAMain.exe	91

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1744-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1744-16-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1744-20-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1744-50-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2864-65-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2864-69-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2864-71-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2864-67-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2864-68-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1744-74-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/64-77-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2864-80-0x0000000000400000-0x0000000000414000-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	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.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	reg.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	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe
824	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	64	WAMain.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe
824	svchost.exe
1744	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe
1220	WAMain.exe
1360	svchost.exe
64	WAMain.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 824	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	82
PID 4972 wrote to memory of 824	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	82
PID 4972 wrote to memory of 824	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	82
PID 4972 wrote to memory of 824	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	82
PID 4972 wrote to memory of 824	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	82
PID 4972 wrote to memory of 824	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	82
PID 4972 wrote to memory of 824	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	82
PID 4972 wrote to memory of 824	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	82
PID 4972 wrote to memory of 824	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	82
PID 4972 wrote to memory of 1744	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	83
PID 4972 wrote to memory of 1744	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	83
PID 4972 wrote to memory of 1744	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	83
PID 4972 wrote to memory of 1744	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	83
PID 4972 wrote to memory of 1744	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	83
PID 4972 wrote to memory of 1744	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	83
PID 4972 wrote to memory of 1744	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	83
PID 4972 wrote to memory of 1744	4972	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	83
PID 1744 wrote to memory of 3796	1744	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	84
PID 1744 wrote to memory of 3796	1744	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	84
PID 1744 wrote to memory of 3796	1744	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	84
PID 3796 wrote to memory of 2168	3796	cmd.exe	87
PID 3796 wrote to memory of 2168	3796	cmd.exe	87
PID 3796 wrote to memory of 2168	3796	cmd.exe	87
PID 1744 wrote to memory of 1220	1744	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	88
PID 1744 wrote to memory of 1220	1744	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	88
PID 1744 wrote to memory of 1220	1744	798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe	88
PID 1220 wrote to memory of 1360	1220	WAMain.exe	89
PID 1220 wrote to memory of 1360	1220	WAMain.exe	89
PID 1220 wrote to memory of 1360	1220	WAMain.exe	89
PID 1220 wrote to memory of 1360	1220	WAMain.exe	89
PID 1220 wrote to memory of 1360	1220	WAMain.exe	89
PID 1220 wrote to memory of 1360	1220	WAMain.exe	89
PID 1220 wrote to memory of 1360	1220	WAMain.exe	89
PID 1220 wrote to memory of 1360	1220	WAMain.exe	89
PID 1220 wrote to memory of 1360	1220	WAMain.exe	89
PID 1220 wrote to memory of 64	1220	WAMain.exe	90
PID 1220 wrote to memory of 64	1220	WAMain.exe	90
PID 1220 wrote to memory of 64	1220	WAMain.exe	90
PID 1220 wrote to memory of 64	1220	WAMain.exe	90
PID 1220 wrote to memory of 64	1220	WAMain.exe	90
PID 1220 wrote to memory of 64	1220	WAMain.exe	90
PID 1220 wrote to memory of 64	1220	WAMain.exe	90
PID 1220 wrote to memory of 64	1220	WAMain.exe	90
PID 1220 wrote to memory of 2864	1220	WAMain.exe	91
PID 1220 wrote to memory of 2864	1220	WAMain.exe	91
PID 1220 wrote to memory of 2864	1220	WAMain.exe	91
PID 1220 wrote to memory of 2864	1220	WAMain.exe	91
PID 1220 wrote to memory of 2864	1220	WAMain.exe	91
PID 1220 wrote to memory of 2864	1220	WAMain.exe	91
PID 1220 wrote to memory of 2864	1220	WAMain.exe	91
PID 1220 wrote to memory of 2864	1220	WAMain.exe	91

C:\Users\Admin\AppData\Local\Temp\798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe
"C:\Users\Admin\AppData\Local\Temp\798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4972
- 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:824
- C:\Users\Admin\AppData\Local\Temp\798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe
  "C:\Users\Admin\AppData\Local\Temp\798b75d7cb2f49cdc10d62bd8ce6aa57f5fba75c9deddd752929b2c82269d450.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YGUTF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3796
  - - 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:2168
- - 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:1220
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:1360
  - - 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:64
  - - 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:2864

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\YGUTF.txt

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
8e5c1e2ccf20ee3bcee63e371e97e500

SHA1
7027b458fcf551c84d0316db664b99a14c2690f3

SHA256
0034c980bae91a7502c0c26fb6323d52cbd829ee41250c28dd3c9aba67af122c

SHA512
1c5c1e7ad6a500b143537afcd18922439b85207b4f394532c4b11b2064b50bdccdba6b275fc38b9b494ff244503f751c98994d7ee29f389f1c59eaefe27a2eff

Download Submit
memory/64-77-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/824-51-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/824-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/824-12-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/824-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1220-47-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1220-48-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1220-73-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1220-49-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1220-52-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1360-55-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1360-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1360-53-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1360-76-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1744-16-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1744-20-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1744-50-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1744-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1744-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2864-65-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2864-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2864-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2864-71-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2864-80-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2864-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4972-3-0x00000000022D0000-0x00000000022D2000-memory.dmp

Filesize
8KB

Download
memory/4972-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4972-13-0x00000000022C0000-0x00000000022C2000-memory.dmp

Filesize
8KB

Download
memory/4972-9-0x0000000002D30000-0x0000000002D32000-memory.dmp

Filesize
8KB

Download
memory/4972-5-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4972-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/4972-2-0x00000000022C0000-0x00000000022C2000-memory.dmp

Filesize
8KB

Download
memory/4972-7-0x0000000002350000-0x0000000002352000-memory.dmp

Filesize
8KB

Download