modiloader | b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e

Analysis

max time kernel
4s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 18:11

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General

Target

b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe
Size

112KB
MD5

bb7971f88eaaa8d40418abfd822ef3d3
SHA1

3aa390ad4b9be754d10d4240328456544c4d51ea
SHA256

b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e
SHA512

dfc4c0415bb2a9a93894bc8a8f99c587c539d111546f0e6cde214265e4bd8df025c3d7c0742dd0253b6b3db37ed0728c58c1653e0c922447f757028fd38214c6
SSDEEP

1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJ5:tVIr7zI+fAceoGxSKKo55

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/4076-65-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4076-66-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4076-64-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4076-75-0x0000000000400000-0x0000000000414000-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	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe

Executes dropped EXE 1 IoCs

pid	Process
4684	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 2 IoCs

description	pid	Process	procid_target
PID 548 set thread context of 4444	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	84
PID 548 set thread context of 412	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	85

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/412-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/412-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/412-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/412-46-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4076-61-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4076-65-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4076-66-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4076-64-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4076-63-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/412-72-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4932-74-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4076-75-0x0000000000400000-0x0000000000414000-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 6 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	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe
4444	svchost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe
412	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe
4444	svchost.exe
4684	WAMain.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 4444	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	84
PID 548 wrote to memory of 4444	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	84
PID 548 wrote to memory of 4444	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	84
PID 548 wrote to memory of 4444	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	84
PID 548 wrote to memory of 4444	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	84
PID 548 wrote to memory of 4444	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	84
PID 548 wrote to memory of 4444	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	84
PID 548 wrote to memory of 4444	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	84
PID 548 wrote to memory of 4444	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	84
PID 548 wrote to memory of 412	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	85
PID 548 wrote to memory of 412	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	85
PID 548 wrote to memory of 412	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	85
PID 548 wrote to memory of 412	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	85
PID 548 wrote to memory of 412	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	85
PID 548 wrote to memory of 412	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	85
PID 548 wrote to memory of 412	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	85
PID 548 wrote to memory of 412	548	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	85
PID 412 wrote to memory of 4540	412	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	86
PID 412 wrote to memory of 4540	412	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	86
PID 412 wrote to memory of 4540	412	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	86
PID 4540 wrote to memory of 2668	4540	cmd.exe	89
PID 4540 wrote to memory of 2668	4540	cmd.exe	89
PID 4540 wrote to memory of 2668	4540	cmd.exe	89
PID 412 wrote to memory of 4684	412	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	90
PID 412 wrote to memory of 4684	412	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	90
PID 412 wrote to memory of 4684	412	b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe	90

C:\Users\Admin\AppData\Local\Temp\b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe
"C:\Users\Admin\AppData\Local\Temp\b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:548
- 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:4444
- C:\Users\Admin\AppData\Local\Temp\b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe
  "C:\Users\Admin\AppData\Local\Temp\b2b93c0e93ba95e02539ac86220ef6ef1a1a7af0fc718fd19f732b89410f5a3e.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:412
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CHWXV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4540
  - - 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:2668
- - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4684
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      PID:5004
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      PID:4932
  - - C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
      4⤵
      PID:4076

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\CHWXV.txt

Filesize
148B

MD5
3a4614705555abb049c3298e61170b7f

SHA1
c8686410756f346d9551256a5b878b04770950ba

SHA256
cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

SHA512
65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

Filesize
112KB

MD5
81c594625852a557fa6f716321a7b867

SHA1
5b139139f0e29a8c445eccd4cd14ebe39a9f792c

SHA256
8bd1a722efb2f8ed83df8f0842dc8586da5bba465f1317334fa8339eceee5860

SHA512
3fa0fc76f7bfc1bd806146668d2b252d46280778fd1d6e4797c36c2ea661574afb8e6d9449fd78fb22af0b404962c21c762e9e5649df087fe55bc1b9a173ba29

Download Submit
memory/412-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/412-46-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/412-72-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/412-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/412-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/548-3-0x0000000002C30000-0x0000000002C32000-memory.dmp

Filesize
8KB

Download
memory/548-7-0x0000000002D30000-0x0000000002D32000-memory.dmp

Filesize
8KB

Download
memory/548-5-0x0000000002CC0000-0x0000000002CC2000-memory.dmp

Filesize
8KB

Download
memory/548-4-0x0000000002C60000-0x0000000002C62000-memory.dmp

Filesize
8KB

Download
memory/548-2-0x0000000002C20000-0x0000000002C22000-memory.dmp

Filesize
8KB

Download
memory/4076-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4076-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4076-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4076-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4076-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4076-65-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4444-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4444-16-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4444-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4444-48-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4684-69-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4684-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4684-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4684-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4684-47-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4932-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5004-49-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5004-55-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5004-73-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5004-51-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download