modiloader | f7939d643e8f195041810e55d86937321b05fb7d8babe44d14da780282ae54cb

Analysis

max time kernel
118s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2024 01:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe
Size

90KB
MD5

ea5366a82d8f1d4b1b251ce8d48cfed3
SHA1

872666be1f206fd1c4e9db23dd14a73c67c76c78
SHA256

f7939d643e8f195041810e55d86937321b05fb7d8babe44d14da780282ae54cb
SHA512

bae7fbe3fd8f46390c865a08ac924b093ae0a420b46722ad03fe43c16fbe4be9e99738a3697fdce6170f07a4f97b8f08ca99da53471dad056717c406d9c15525
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3t

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/2056-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2056-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2056-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2056-63-0x0000000000400000-0x0000000000414000-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	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe

Executes dropped EXE 3 IoCs

pid	Process
4528	csrsll.exe
1540	csrsll.exe
2056	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 4876 set thread context of 2460	4876	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	95
PID 4528 set thread context of 1540	4528	csrsll.exe	104
PID 4528 set thread context of 2056	4528	csrsll.exe	105

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4876-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4876-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2460-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2460-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4876-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2460-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000e000000023b59-29.dat	upx
behavioral2/memory/4528-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2460-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4528-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4528-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2056-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2056-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2056-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2056-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4528-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2056-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2460-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1540-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2056-63-0x0000000000400000-0x0000000000414000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe
Token: SeDebugPrivilege	1540	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4876	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe
2460	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe
4528	csrsll.exe
1540	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 2460	4876	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	95
PID 4876 wrote to memory of 2460	4876	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	95
PID 4876 wrote to memory of 2460	4876	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	95
PID 4876 wrote to memory of 2460	4876	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	95
PID 4876 wrote to memory of 2460	4876	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	95
PID 4876 wrote to memory of 2460	4876	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	95
PID 4876 wrote to memory of 2460	4876	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	95
PID 4876 wrote to memory of 2460	4876	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	95
PID 2460 wrote to memory of 2236	2460	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	96
PID 2460 wrote to memory of 2236	2460	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	96
PID 2460 wrote to memory of 2236	2460	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	96
PID 2236 wrote to memory of 4032	2236	cmd.exe	102
PID 2236 wrote to memory of 4032	2236	cmd.exe	102
PID 2236 wrote to memory of 4032	2236	cmd.exe	102
PID 2460 wrote to memory of 4528	2460	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	103
PID 2460 wrote to memory of 4528	2460	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	103
PID 2460 wrote to memory of 4528	2460	a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe	103
PID 4528 wrote to memory of 1540	4528	csrsll.exe	104
PID 4528 wrote to memory of 1540	4528	csrsll.exe	104
PID 4528 wrote to memory of 1540	4528	csrsll.exe	104
PID 4528 wrote to memory of 1540	4528	csrsll.exe	104
PID 4528 wrote to memory of 1540	4528	csrsll.exe	104
PID 4528 wrote to memory of 1540	4528	csrsll.exe	104
PID 4528 wrote to memory of 1540	4528	csrsll.exe	104
PID 4528 wrote to memory of 1540	4528	csrsll.exe	104
PID 4528 wrote to memory of 2056	4528	csrsll.exe	105
PID 4528 wrote to memory of 2056	4528	csrsll.exe	105
PID 4528 wrote to memory of 2056	4528	csrsll.exe	105
PID 4528 wrote to memory of 2056	4528	csrsll.exe	105
PID 4528 wrote to memory of 2056	4528	csrsll.exe	105
PID 4528 wrote to memory of 2056	4528	csrsll.exe	105
PID 4528 wrote to memory of 2056	4528	csrsll.exe	105
PID 4528 wrote to memory of 2056	4528	csrsll.exe	105

C:\Users\Admin\AppData\Local\Temp\a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe
"C:\Users\Admin\AppData\Local\Temp\a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Users\Admin\AppData\Local\Temp\a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe
  "C:\Users\Admin\AppData\Local\Temp\a3f214aa48a7952f6406f00a9e2f8cb6406a14043a7fa30bd4d4019566b77137N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CNDXV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2236
  - - 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:4032
- - 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:4528
  - - 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:1540
  - - 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:2056

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

Loading Replay Monitor...

Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
259e0081a635d65599d422c528ffeaaf

SHA1
52f989b9777b1bb2624e40bf1e60e6352dbee9bb

SHA256
71999885925a47b33bb4e4dbc1a48aabb75809a531beb3492b4a281101b26b0f

SHA512
05c1207c701cf4db49f0c5789093533aaacbdf8c9ee9aefdbb77a54b55112fc571290cee27e0d0d9ac791102843d9a82b1ecd6edcd344adad765fe1f7b7bb935

Download Submit
memory/1540-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2056-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2056-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2056-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2056-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2056-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2056-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2460-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2460-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2460-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2460-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2460-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4528-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4528-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4528-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4528-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4876-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4876-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4876-5-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/4876-6-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4876-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4876-3-0x0000000002B40000-0x0000000002B42000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads