modiloader | 420302894b79791f3e6697d678d195340b42ded7ac62b958389bfa3f02ac3e92

Analysis

max time kernel
9s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 17:24

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General

Target

422b413753200837e2c9459c0e3700b0N.exe
Size

112KB
MD5

422b413753200837e2c9459c0e3700b0
SHA1

cbd90564793480b8c67273946141c8310505bef1
SHA256

420302894b79791f3e6697d678d195340b42ded7ac62b958389bfa3f02ac3e92
SHA512

f865ffe8c65434c615bb095bd3cd19ccfb696f07bc538a46974b4dbba7b8e6fedfdc5916dab01f343f81e925d17d7aadf3a839adc74ce5cfd2a17352fa35d47a
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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/1588-65-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1588-63-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1588-62-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1588-74-0x0000000000400000-0x0000000000414000-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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	422b413753200837e2c9459c0e3700b0N.exe

Executes dropped EXE 3 IoCs

pid	Process
732	WAMain.exe
2500	WAMain.exe
1588	WAMain.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2676-15-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2676-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2676-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2676-44-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1588-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1588-60-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1588-65-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2676-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1588-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1588-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2500-70-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1588-74-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-1194130065-3471212556-1656947724-1000\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 4120 set thread context of 1492	4120	422b413753200837e2c9459c0e3700b0N.exe	86
PID 4120 set thread context of 2676	4120	422b413753200837e2c9459c0e3700b0N.exe	87
PID 732 set thread context of 1692	732	WAMain.exe	96
PID 732 set thread context of 2500	732	WAMain.exe	97
PID 732 set thread context of 1588	732	WAMain.exe	98

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process
2016	1492	WerFault.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	svchost.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	422b413753200837e2c9459c0e3700b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	422b413753200837e2c9459c0e3700b0N.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe
1692	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	WAMain.exe
Token: SeDebugPrivilege	2500	WAMain.exe
Token: SeDebugPrivilege	2500	WAMain.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4120	422b413753200837e2c9459c0e3700b0N.exe
2676	422b413753200837e2c9459c0e3700b0N.exe
732	WAMain.exe
1692	svchost.exe
2500	WAMain.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 1492	4120	422b413753200837e2c9459c0e3700b0N.exe	86
PID 4120 wrote to memory of 1492	4120	422b413753200837e2c9459c0e3700b0N.exe	86
PID 4120 wrote to memory of 1492	4120	422b413753200837e2c9459c0e3700b0N.exe	86
PID 4120 wrote to memory of 1492	4120	422b413753200837e2c9459c0e3700b0N.exe	86
PID 4120 wrote to memory of 2676	4120	422b413753200837e2c9459c0e3700b0N.exe	87
PID 4120 wrote to memory of 2676	4120	422b413753200837e2c9459c0e3700b0N.exe	87
PID 4120 wrote to memory of 2676	4120	422b413753200837e2c9459c0e3700b0N.exe	87
PID 4120 wrote to memory of 2676	4120	422b413753200837e2c9459c0e3700b0N.exe	87
PID 4120 wrote to memory of 2676	4120	422b413753200837e2c9459c0e3700b0N.exe	87
PID 4120 wrote to memory of 2676	4120	422b413753200837e2c9459c0e3700b0N.exe	87
PID 4120 wrote to memory of 2676	4120	422b413753200837e2c9459c0e3700b0N.exe	87
PID 4120 wrote to memory of 2676	4120	422b413753200837e2c9459c0e3700b0N.exe	87
PID 2676 wrote to memory of 2268	2676	422b413753200837e2c9459c0e3700b0N.exe	91
PID 2676 wrote to memory of 2268	2676	422b413753200837e2c9459c0e3700b0N.exe	91
PID 2676 wrote to memory of 2268	2676	422b413753200837e2c9459c0e3700b0N.exe	91
PID 2268 wrote to memory of 920	2268	cmd.exe	94
PID 2268 wrote to memory of 920	2268	cmd.exe	94
PID 2268 wrote to memory of 920	2268	cmd.exe	94
PID 2676 wrote to memory of 732	2676	422b413753200837e2c9459c0e3700b0N.exe	95
PID 2676 wrote to memory of 732	2676	422b413753200837e2c9459c0e3700b0N.exe	95
PID 2676 wrote to memory of 732	2676	422b413753200837e2c9459c0e3700b0N.exe	95
PID 732 wrote to memory of 1692	732	WAMain.exe	96
PID 732 wrote to memory of 1692	732	WAMain.exe	96
PID 732 wrote to memory of 1692	732	WAMain.exe	96
PID 732 wrote to memory of 1692	732	WAMain.exe	96
PID 732 wrote to memory of 1692	732	WAMain.exe	96
PID 732 wrote to memory of 1692	732	WAMain.exe	96
PID 732 wrote to memory of 1692	732	WAMain.exe	96
PID 732 wrote to memory of 1692	732	WAMain.exe	96
PID 732 wrote to memory of 1692	732	WAMain.exe	96
PID 732 wrote to memory of 2500	732	WAMain.exe	97
PID 732 wrote to memory of 2500	732	WAMain.exe	97
PID 732 wrote to memory of 2500	732	WAMain.exe	97
PID 732 wrote to memory of 2500	732	WAMain.exe	97
PID 732 wrote to memory of 2500	732	WAMain.exe	97
PID 732 wrote to memory of 2500	732	WAMain.exe	97
PID 732 wrote to memory of 2500	732	WAMain.exe	97
PID 732 wrote to memory of 2500	732	WAMain.exe	97
PID 732 wrote to memory of 1588	732	WAMain.exe	98
PID 732 wrote to memory of 1588	732	WAMain.exe	98
PID 732 wrote to memory of 1588	732	WAMain.exe	98
PID 732 wrote to memory of 1588	732	WAMain.exe	98
PID 732 wrote to memory of 1588	732	WAMain.exe	98
PID 732 wrote to memory of 1588	732	WAMain.exe	98
PID 732 wrote to memory of 1588	732	WAMain.exe	98
PID 732 wrote to memory of 1588	732	WAMain.exe	98

C:\Users\Admin\AppData\Local\Temp\422b413753200837e2c9459c0e3700b0N.exe
"C:\Users\Admin\AppData\Local\Temp\422b413753200837e2c9459c0e3700b0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  PID:1492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 84
    3⤵
    - Program crash
    PID:2016
- C:\Users\Admin\AppData\Local\Temp\422b413753200837e2c9459c0e3700b0N.exe
  "C:\Users\Admin\AppData\Local\Temp\422b413753200837e2c9459c0e3700b0N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OAIAR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - 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:920
- - 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:732
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:1692
  - - 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:2500
  - - 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:1588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1492 -ip 1492
1⤵
PID:1364

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\OAIAR.txt

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
607b3cec7e7f2b9a35b3adaf59204f52

SHA1
8f2c838574e6aeacbb1f47591de39494fa52e5b1

SHA256
58a6fb676086632d3a6851dd1267ba13a08f49ce15171edee10c1178b7a921c3

SHA512
80376044a82c42f953dab437110b13b481c558ddda71341cd80e4eab75e61c4f2943090d62caf9205b68e84ecf8d769270327b5e38c66bbf426e54c317783cd9

Download Submit
memory/732-66-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/732-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/732-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/732-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/732-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1588-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1588-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1588-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1588-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1588-65-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1588-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1692-53-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1692-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1692-71-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1692-46-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1692-51-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2500-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-44-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-15-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4120-14-0x00000000023C0000-0x00000000023C2000-memory.dmp

Filesize
8KB

Download
memory/4120-3-0x0000000002C20000-0x0000000002C22000-memory.dmp

Filesize
8KB

Download
memory/4120-6-0x0000000002C70000-0x0000000002C72000-memory.dmp

Filesize
8KB

Download
memory/4120-2-0x00000000023C0000-0x00000000023C2000-memory.dmp

Filesize
8KB

Download
memory/4120-9-0x0000000002D30000-0x0000000002D32000-memory.dmp

Filesize
8KB

Download
memory/4120-4-0x0000000002C40000-0x0000000002C42000-memory.dmp

Filesize
8KB

Download
memory/4120-5-0x0000000002C60000-0x0000000002C62000-memory.dmp

Filesize
8KB

Download
memory/4120-7-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download