modiloader | f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015

Analysis

max time kernel
148s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 04:41

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General

Target

f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe
Size

90KB
MD5

a478a4933fdd1c5ea3ad1ae025868590
SHA1

e22f19c62ad6f68ed7feb1fc4bb46ca4943cb27b
SHA256

f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015
SHA512

e8c2ff0e6ebbda5d68f7846e89ed42ac8cd309a23ef875af3d654a2e2152dbf35ad64f796cc0225d823973e33b128d1597031e29d01bcb43b3ae901d7f529a37
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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/760-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/760-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/760-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/760-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe

Executes dropped EXE 3 IoCs

pid	Process
2996	csrsll.exe
1780	csrsll.exe
760	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-1-5-21-2437139445-1151884604-3026847218-1000\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 2420 set thread context of 4444	2420	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	83
PID 2996 set thread context of 1780	2996	csrsll.exe	101
PID 2996 set thread context of 760	2996	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2420-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4444-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4444-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2420-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4444-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cc1-29.dat	upx
behavioral2/memory/2996-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4444-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2996-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2996-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/760-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/760-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/760-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/760-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/760-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2996-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4444-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1780-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/760-63-0x0000000000400000-0x0000000000414000-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	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe
Token: SeDebugPrivilege	1780	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2420	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe
4444	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe
2996	csrsll.exe
1780	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 4444	2420	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	83
PID 2420 wrote to memory of 4444	2420	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	83
PID 2420 wrote to memory of 4444	2420	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	83
PID 2420 wrote to memory of 4444	2420	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	83
PID 2420 wrote to memory of 4444	2420	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	83
PID 2420 wrote to memory of 4444	2420	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	83
PID 2420 wrote to memory of 4444	2420	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	83
PID 2420 wrote to memory of 4444	2420	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	83
PID 4444 wrote to memory of 544	4444	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	90
PID 4444 wrote to memory of 544	4444	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	90
PID 4444 wrote to memory of 544	4444	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	90
PID 544 wrote to memory of 4836	544	cmd.exe	94
PID 544 wrote to memory of 4836	544	cmd.exe	94
PID 544 wrote to memory of 4836	544	cmd.exe	94
PID 4444 wrote to memory of 2996	4444	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	95
PID 4444 wrote to memory of 2996	4444	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	95
PID 4444 wrote to memory of 2996	4444	f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe	95
PID 2996 wrote to memory of 1780	2996	csrsll.exe	101
PID 2996 wrote to memory of 1780	2996	csrsll.exe	101
PID 2996 wrote to memory of 1780	2996	csrsll.exe	101
PID 2996 wrote to memory of 1780	2996	csrsll.exe	101
PID 2996 wrote to memory of 1780	2996	csrsll.exe	101
PID 2996 wrote to memory of 1780	2996	csrsll.exe	101
PID 2996 wrote to memory of 1780	2996	csrsll.exe	101
PID 2996 wrote to memory of 1780	2996	csrsll.exe	101
PID 2996 wrote to memory of 760	2996	csrsll.exe	102
PID 2996 wrote to memory of 760	2996	csrsll.exe	102
PID 2996 wrote to memory of 760	2996	csrsll.exe	102
PID 2996 wrote to memory of 760	2996	csrsll.exe	102
PID 2996 wrote to memory of 760	2996	csrsll.exe	102
PID 2996 wrote to memory of 760	2996	csrsll.exe	102
PID 2996 wrote to memory of 760	2996	csrsll.exe	102
PID 2996 wrote to memory of 760	2996	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe
"C:\Users\Admin\AppData\Local\Temp\f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe
  "C:\Users\Admin\AppData\Local\Temp\f3266e180cd31a346da66d5bce4e51add52941c97eaac2f18785532bb2445015.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4444
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MDXBY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:544
  - - 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:4836
- - 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:2996
  - - 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:1780
  - - 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:760

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\MDXBY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3b1605d6a7bac625d906119b48438e70

SHA1
d7c41533386f2f4283f16c5e5c5ab91b4281b443

SHA256
4040ee306897eb936550e31fa9786afe53c3aa52dce334c0357a053fe69350f9

SHA512
4d943047b5e0647f27658598071d5ff86e6ed2bdb23c034c2ab8c82b7fad44d243c9b8f5167203b74fc8be58506c84828de4b25efc4f1f30c502b2793551076a

Download Submit
memory/760-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/760-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/760-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/760-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/760-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/760-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1780-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-3-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/2420-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2420-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2420-4-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/2420-5-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/2420-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/2996-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4444-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4444-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4444-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4444-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4444-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4444-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads