modiloader | b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0

Analysis

max time kernel
11s
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
25-12-2024 01:47

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General

Target

b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe
Size

112KB
MD5

d247e859286fa761441e4bb50248fb80
SHA1

890eab6e280bc2db7e9fd557f7aba57a7cb6d2d0
SHA256

b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0
SHA512

5f69347d9b76aa17e2d4287283c445fc17b169b55b005aa52fed7e4b792e3b9a7b26123071044e6e3935d6a8e77d1979b201dd6840f5c52aca277f93ed804fcd
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 3 IoCs

resource	yara_rule
behavioral2/memory/1004-69-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1004-68-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1004-77-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe

Executes dropped EXE 3 IoCs

pid	Process
2240	WAMain.exe
4500	WAMain.exe
1004	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-1-5-21-940901362-3608833189-1915618603-1000\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 904 set thread context of 4188	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	83
PID 904 set thread context of 2560	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	84
PID 2240 set thread context of 3280	2240	WAMain.exe	90
PID 2240 set thread context of 4500	2240	WAMain.exe	91
PID 2240 set thread context of 1004	2240	WAMain.exe	92

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2560-17-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2560-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2560-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2560-49-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1004-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1004-69-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1004-68-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1004-67-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2560-71-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4500-74-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1004-77-0x0000000000400000-0x0000000000414000-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	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.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	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WAMain.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe
4188	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4500	WAMain.exe
Token: SeDebugPrivilege	4500	WAMain.exe
Token: SeDebugPrivilege	4500	WAMain.exe
Token: SeDebugPrivilege	4500	WAMain.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe
4188	svchost.exe
2560	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe
2240	WAMain.exe
3280	svchost.exe
4500	WAMain.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 4188	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	83
PID 904 wrote to memory of 4188	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	83
PID 904 wrote to memory of 4188	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	83
PID 904 wrote to memory of 4188	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	83
PID 904 wrote to memory of 4188	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	83
PID 904 wrote to memory of 4188	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	83
PID 904 wrote to memory of 4188	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	83
PID 904 wrote to memory of 4188	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	83
PID 904 wrote to memory of 4188	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	83
PID 904 wrote to memory of 2560	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	84
PID 904 wrote to memory of 2560	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	84
PID 904 wrote to memory of 2560	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	84
PID 904 wrote to memory of 2560	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	84
PID 904 wrote to memory of 2560	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	84
PID 904 wrote to memory of 2560	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	84
PID 904 wrote to memory of 2560	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	84
PID 904 wrote to memory of 2560	904	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	84
PID 2560 wrote to memory of 4828	2560	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	85
PID 2560 wrote to memory of 4828	2560	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	85
PID 2560 wrote to memory of 4828	2560	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	85
PID 4828 wrote to memory of 3660	4828	cmd.exe	88
PID 4828 wrote to memory of 3660	4828	cmd.exe	88
PID 4828 wrote to memory of 3660	4828	cmd.exe	88
PID 2560 wrote to memory of 2240	2560	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	89
PID 2560 wrote to memory of 2240	2560	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	89
PID 2560 wrote to memory of 2240	2560	b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe	89
PID 2240 wrote to memory of 3280	2240	WAMain.exe	90
PID 2240 wrote to memory of 3280	2240	WAMain.exe	90
PID 2240 wrote to memory of 3280	2240	WAMain.exe	90
PID 2240 wrote to memory of 3280	2240	WAMain.exe	90
PID 2240 wrote to memory of 3280	2240	WAMain.exe	90
PID 2240 wrote to memory of 3280	2240	WAMain.exe	90
PID 2240 wrote to memory of 3280	2240	WAMain.exe	90
PID 2240 wrote to memory of 3280	2240	WAMain.exe	90
PID 2240 wrote to memory of 3280	2240	WAMain.exe	90
PID 2240 wrote to memory of 4500	2240	WAMain.exe	91
PID 2240 wrote to memory of 4500	2240	WAMain.exe	91
PID 2240 wrote to memory of 4500	2240	WAMain.exe	91
PID 2240 wrote to memory of 4500	2240	WAMain.exe	91
PID 2240 wrote to memory of 4500	2240	WAMain.exe	91
PID 2240 wrote to memory of 4500	2240	WAMain.exe	91
PID 2240 wrote to memory of 4500	2240	WAMain.exe	91
PID 2240 wrote to memory of 4500	2240	WAMain.exe	91
PID 2240 wrote to memory of 1004	2240	WAMain.exe	92
PID 2240 wrote to memory of 1004	2240	WAMain.exe	92
PID 2240 wrote to memory of 1004	2240	WAMain.exe	92
PID 2240 wrote to memory of 1004	2240	WAMain.exe	92
PID 2240 wrote to memory of 1004	2240	WAMain.exe	92
PID 2240 wrote to memory of 1004	2240	WAMain.exe	92
PID 2240 wrote to memory of 1004	2240	WAMain.exe	92
PID 2240 wrote to memory of 1004	2240	WAMain.exe	92

C:\Users\Admin\AppData\Local\Temp\b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe
"C:\Users\Admin\AppData\Local\Temp\b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:904
- 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:4188
- C:\Users\Admin\AppData\Local\Temp\b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe
  "C:\Users\Admin\AppData\Local\Temp\b0a7d91dd979daf9f3ae0cc7d54c995efb79795f4f3afa98646a823806e71ed0.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KEJXG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4828
  - - 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:3660
- - 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:2240
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:3280
  - - 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:4500
  - - 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:1004

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\KEJXG.txt

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
6d9c8c5ac27d70a50431da5cbceb1f29

SHA1
b8fd229e421b12fdf0b326f9a1d32029d8ff7df5

SHA256
662c59b96694e1dad58ee82bed80fc8d2aa92f35376ece8482c301f005e261be

SHA512
9fb5a34e887981137eca8f301fc5d03e602cdf8918358cc1779551811577cb5f12383655f661682435be1e6df45f3c2912fd481ee223f30248092d762c32cc52

Download Submit
memory/904-18-0x0000000002270000-0x0000000002272000-memory.dmp

Filesize
8KB

Download
memory/904-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/904-5-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/904-14-0x0000000002BF0000-0x0000000002BF2000-memory.dmp

Filesize
8KB

Download
memory/904-2-0x0000000002270000-0x0000000002272000-memory.dmp

Filesize
8KB

Download
memory/904-3-0x00000000022D0000-0x00000000022D2000-memory.dmp

Filesize
8KB

Download
memory/1004-77-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1004-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1004-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1004-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1004-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2240-47-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2240-70-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2240-46-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2240-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2240-50-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2560-71-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2560-49-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2560-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2560-17-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2560-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3280-53-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3280-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3280-51-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3280-73-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4188-16-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4188-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4188-48-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4188-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4500-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download