modiloader | 8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7f

Analysis

max time kernel
17s
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
22-12-2024 16:02

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General

Target

8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe
Size

112KB
MD5

692d6a1c4c0d52174bcdf58eb061d050
SHA1

a1421daf17a5acbe1a76535e213469a0f4514f70
SHA256

8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7f
SHA512

ff6763b5f6662540f2ee59a70115c607a0f6af6d87e4158a788cab089d3ddd3c32f2ee0f0f9234c8184c1801b2dbaca0bb536f26fb15f2c3004ed3bb4eaafa55
SSDEEP

1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJf:tVIr7zI+fAceoGxSKKo5f

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/2128-70-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2128-71-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2128-69-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2128-81-0x0000000000400000-0x0000000000414000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe

Executes dropped EXE 3 IoCs

pid	Process
1584	WAMain.exe
2996	WAMain.exe
2128	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-1-5-21-3227495264-2217614367-4027411560-1000\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 1096 set thread context of 4400	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	82
PID 1096 set thread context of 4776	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	83
PID 1584 set thread context of 2724	1584	WAMain.exe	89
PID 1584 set thread context of 2996	1584	WAMain.exe	90
PID 1584 set thread context of 2128	1584	WAMain.exe	91

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4776-19-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4776-22-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4776-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4776-50-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2128-66-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2128-70-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2128-71-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2128-69-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2128-68-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4776-75-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2996-78-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2128-81-0x0000000000400000-0x0000000000414000-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	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.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	WAMain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe
4400	svchost.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2996	WAMain.exe
Token: SeDebugPrivilege	2996	WAMain.exe
Token: SeDebugPrivilege	2996	WAMain.exe
Token: SeDebugPrivilege	2996	WAMain.exe
Token: SeDebugPrivilege	2996	WAMain.exe
Token: SeDebugPrivilege	2996	WAMain.exe
Token: SeDebugPrivilege	2996	WAMain.exe
Token: SeDebugPrivilege	2996	WAMain.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe
4400	svchost.exe
4776	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe
1584	WAMain.exe
2724	svchost.exe
2996	WAMain.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 4400	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	82
PID 1096 wrote to memory of 4400	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	82
PID 1096 wrote to memory of 4400	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	82
PID 1096 wrote to memory of 4400	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	82
PID 1096 wrote to memory of 4400	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	82
PID 1096 wrote to memory of 4400	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	82
PID 1096 wrote to memory of 4400	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	82
PID 1096 wrote to memory of 4400	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	82
PID 1096 wrote to memory of 4400	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	82
PID 1096 wrote to memory of 4776	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	83
PID 1096 wrote to memory of 4776	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	83
PID 1096 wrote to memory of 4776	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	83
PID 1096 wrote to memory of 4776	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	83
PID 1096 wrote to memory of 4776	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	83
PID 1096 wrote to memory of 4776	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	83
PID 1096 wrote to memory of 4776	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	83
PID 1096 wrote to memory of 4776	1096	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	83
PID 4776 wrote to memory of 2328	4776	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	84
PID 4776 wrote to memory of 2328	4776	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	84
PID 4776 wrote to memory of 2328	4776	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	84
PID 2328 wrote to memory of 1720	2328	cmd.exe	87
PID 2328 wrote to memory of 1720	2328	cmd.exe	87
PID 2328 wrote to memory of 1720	2328	cmd.exe	87
PID 4776 wrote to memory of 1584	4776	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	88
PID 4776 wrote to memory of 1584	4776	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	88
PID 4776 wrote to memory of 1584	4776	8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe	88
PID 1584 wrote to memory of 2724	1584	WAMain.exe	89
PID 1584 wrote to memory of 2724	1584	WAMain.exe	89
PID 1584 wrote to memory of 2724	1584	WAMain.exe	89
PID 1584 wrote to memory of 2724	1584	WAMain.exe	89
PID 1584 wrote to memory of 2724	1584	WAMain.exe	89
PID 1584 wrote to memory of 2724	1584	WAMain.exe	89
PID 1584 wrote to memory of 2724	1584	WAMain.exe	89
PID 1584 wrote to memory of 2724	1584	WAMain.exe	89
PID 1584 wrote to memory of 2724	1584	WAMain.exe	89
PID 1584 wrote to memory of 2996	1584	WAMain.exe	90
PID 1584 wrote to memory of 2996	1584	WAMain.exe	90
PID 1584 wrote to memory of 2996	1584	WAMain.exe	90
PID 1584 wrote to memory of 2996	1584	WAMain.exe	90
PID 1584 wrote to memory of 2996	1584	WAMain.exe	90
PID 1584 wrote to memory of 2996	1584	WAMain.exe	90
PID 1584 wrote to memory of 2996	1584	WAMain.exe	90
PID 1584 wrote to memory of 2996	1584	WAMain.exe	90
PID 1584 wrote to memory of 2128	1584	WAMain.exe	91
PID 1584 wrote to memory of 2128	1584	WAMain.exe	91
PID 1584 wrote to memory of 2128	1584	WAMain.exe	91
PID 1584 wrote to memory of 2128	1584	WAMain.exe	91
PID 1584 wrote to memory of 2128	1584	WAMain.exe	91
PID 1584 wrote to memory of 2128	1584	WAMain.exe	91
PID 1584 wrote to memory of 2128	1584	WAMain.exe	91
PID 1584 wrote to memory of 2128	1584	WAMain.exe	91

C:\Users\Admin\AppData\Local\Temp\8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe
"C:\Users\Admin\AppData\Local\Temp\8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096
- 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:4400
- C:\Users\Admin\AppData\Local\Temp\8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe
  "C:\Users\Admin\AppData\Local\Temp\8b78780e116066dfeaf5d5ea495d6da501f0ca3104e57ff26bb22475560e8e7fN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4776
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XTHUF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2328
  - - 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:1720
- - 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:1584
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:2724
  - - 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:2996
  - - 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:2128

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\XTHUF.txt

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
6b75a72ce35f4d98f77eb5b97f9dd0f8

SHA1
48c7720750793fee113a2b42eb8806e14c4545fa

SHA256
a2cfd6da8223b5fe8d6ec2460b763b829e6afc0b39bfaa257c89a087bf4b25d8

SHA512
47017b0e0a33ba750fca3d5acbfc710e9d9dd19d811c58ea0574b8aeb952d925444ec6903cbde39f2b3b26d3beb962adb75df860d657bf35e7af15a37b3ea9d4

Download Submit
memory/1096-18-0x00000000022A0000-0x00000000022A2000-memory.dmp

Filesize
8KB

Download
memory/1096-2-0x00000000022A0000-0x00000000022A2000-memory.dmp

Filesize
8KB

Download
memory/1096-4-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/1096-5-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1096-7-0x0000000002BA0000-0x0000000002BA2000-memory.dmp

Filesize
8KB

Download
memory/1096-6-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1096-3-0x00000000022B0000-0x00000000022B2000-memory.dmp

Filesize
8KB

Download
memory/1096-10-0x0000000002D20000-0x0000000002D22000-memory.dmp

Filesize
8KB

Download
memory/1584-74-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1584-49-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1584-48-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1584-52-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1584-53-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2128-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2128-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2128-81-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2128-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2128-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2128-71-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2724-77-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2724-65-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2724-56-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2724-54-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2996-78-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4400-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4400-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4400-51-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4400-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4400-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4776-19-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4776-22-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4776-75-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4776-50-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4776-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download