modiloader | 6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450

Analysis

max time kernel
119s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/12/2024, 10:55

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General

Target

6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe
Size

300KB
MD5

b1cc66dbb0a17314fed8e728b0755a60
SHA1

b2b9917ebe9a13b6dab18a692889ea272453f321
SHA256

6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450
SHA512

0262857c307c2cb92ce9a93f43df1a976354870902c1f6c70a248ad87560fa5530ea93d057ae4e8f6915e97127197df5c771b5a7a3d1bf679e20b5f401d0c9ee
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38Gk:UsxD5cwohO+O1sVG0/pZ6iPC8G

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/3636-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3636-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3636-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3636-58-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe

Executes dropped EXE 3 IoCs

pid	Process
1856	csrsll.exe
724	csrsll.exe
3636	csrsll.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1260 set thread context of 3888	1260	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	86
PID 1856 set thread context of 724	1856	csrsll.exe	95
PID 1856 set thread context of 3636	1856	csrsll.exe	96

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3888-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3888-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3888-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3888-37-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3636-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3636-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3888-52-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3636-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3636-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3636-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/724-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3636-58-0x0000000000400000-0x0000000000414000-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 7 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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe
Token: SeDebugPrivilege	724	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1260	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe
3888	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe
1856	csrsll.exe
724	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 3888	1260	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	86
PID 1260 wrote to memory of 3888	1260	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	86
PID 1260 wrote to memory of 3888	1260	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	86
PID 1260 wrote to memory of 3888	1260	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	86
PID 1260 wrote to memory of 3888	1260	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	86
PID 1260 wrote to memory of 3888	1260	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	86
PID 1260 wrote to memory of 3888	1260	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	86
PID 1260 wrote to memory of 3888	1260	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	86
PID 3888 wrote to memory of 1660	3888	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	87
PID 3888 wrote to memory of 1660	3888	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	87
PID 3888 wrote to memory of 1660	3888	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	87
PID 1660 wrote to memory of 3972	1660	cmd.exe	90
PID 1660 wrote to memory of 3972	1660	cmd.exe	90
PID 1660 wrote to memory of 3972	1660	cmd.exe	90
PID 3888 wrote to memory of 1856	3888	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	91
PID 3888 wrote to memory of 1856	3888	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	91
PID 3888 wrote to memory of 1856	3888	6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe	91
PID 1856 wrote to memory of 724	1856	csrsll.exe	95
PID 1856 wrote to memory of 724	1856	csrsll.exe	95
PID 1856 wrote to memory of 724	1856	csrsll.exe	95
PID 1856 wrote to memory of 724	1856	csrsll.exe	95
PID 1856 wrote to memory of 724	1856	csrsll.exe	95
PID 1856 wrote to memory of 724	1856	csrsll.exe	95
PID 1856 wrote to memory of 724	1856	csrsll.exe	95
PID 1856 wrote to memory of 724	1856	csrsll.exe	95
PID 1856 wrote to memory of 3636	1856	csrsll.exe	96
PID 1856 wrote to memory of 3636	1856	csrsll.exe	96
PID 1856 wrote to memory of 3636	1856	csrsll.exe	96
PID 1856 wrote to memory of 3636	1856	csrsll.exe	96
PID 1856 wrote to memory of 3636	1856	csrsll.exe	96
PID 1856 wrote to memory of 3636	1856	csrsll.exe	96
PID 1856 wrote to memory of 3636	1856	csrsll.exe	96
PID 1856 wrote to memory of 3636	1856	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe
"C:\Users\Admin\AppData\Local\Temp\6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe
  "C:\Users\Admin\AppData\Local\Temp\6214f0e2183679dcd75be03d7c51a412fc5df48e7e5cacbad74a342e83a72450N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3888
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RPOSF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1660
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:3972
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1856
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:724
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3636

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\RPOSF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
f6360429969dbb6c614898b4baae5770

SHA1
08709049d91b25607c2434c1714aaf231b1c90b8

SHA256
643c98176a16d012ddf03f3b16bb063f8a2fd7ccc6b6641dfd9a3ec4862ef340

SHA512
be91220278089e5acc65b565869d4924f784279e4695998c13500fbee71b329747207ba632b229ddb35cc74e7c7d5eaf40663a4c0b8d57ec3215d7a522b9685f

Download Submit
memory/724-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1260-3-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/1260-4-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/1260-5-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/1260-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1856-38-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1856-51-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1856-39-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3636-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3636-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3636-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3636-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3636-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3636-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3888-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3888-52-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3888-37-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3888-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3888-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads