modiloader | 902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c

Analysis

max time kernel
119s
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
25/11/2024, 03:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe
Size

90KB
MD5

3b75c9153a686ee27ccf84027be64db5
SHA1

d7e17f894abb091009c0f2a97816d47a05221e72
SHA256

902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c
SHA512

ae6e727c4c0393477409d5734774cfedfe09f7bbbff38bb73d464a2d4d1ce06a4e39f76664804cab4759904e108db0ee14d2a7f11f161f0aa421dde7cab4a570
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD+:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE30

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/3580-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3580-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3580-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3580-62-0x0000000000400000-0x0000000000414000-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	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe

Executes dropped EXE 3 IoCs

pid	Process
4788	csrsll.exe
3732	csrsll.exe
3580	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-1-5-21-493223053-2004649691-1575712786-1000\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 2544 set thread context of 1528	2544	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	91
PID 4788 set thread context of 3732	4788	csrsll.exe	101
PID 4788 set thread context of 3580	4788	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2544-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2544-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1528-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1528-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2544-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1528-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c88-29.dat	upx
behavioral2/memory/1528-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4788-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4788-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3580-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3580-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3580-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3580-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4788-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3580-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1528-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3732-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3580-62-0x0000000000400000-0x0000000000414000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe
Token: SeDebugPrivilege	3732	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2544	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe
1528	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe
4788	csrsll.exe
3732	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 1528	2544	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	91
PID 2544 wrote to memory of 1528	2544	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	91
PID 2544 wrote to memory of 1528	2544	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	91
PID 2544 wrote to memory of 1528	2544	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	91
PID 2544 wrote to memory of 1528	2544	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	91
PID 2544 wrote to memory of 1528	2544	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	91
PID 2544 wrote to memory of 1528	2544	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	91
PID 2544 wrote to memory of 1528	2544	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	91
PID 1528 wrote to memory of 3864	1528	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	92
PID 1528 wrote to memory of 3864	1528	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	92
PID 1528 wrote to memory of 3864	1528	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	92
PID 3864 wrote to memory of 4864	3864	cmd.exe	96
PID 3864 wrote to memory of 4864	3864	cmd.exe	96
PID 3864 wrote to memory of 4864	3864	cmd.exe	96
PID 1528 wrote to memory of 4788	1528	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	97
PID 1528 wrote to memory of 4788	1528	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	97
PID 1528 wrote to memory of 4788	1528	902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe	97
PID 4788 wrote to memory of 3732	4788	csrsll.exe	101
PID 4788 wrote to memory of 3732	4788	csrsll.exe	101
PID 4788 wrote to memory of 3732	4788	csrsll.exe	101
PID 4788 wrote to memory of 3732	4788	csrsll.exe	101
PID 4788 wrote to memory of 3732	4788	csrsll.exe	101
PID 4788 wrote to memory of 3732	4788	csrsll.exe	101
PID 4788 wrote to memory of 3732	4788	csrsll.exe	101
PID 4788 wrote to memory of 3732	4788	csrsll.exe	101
PID 4788 wrote to memory of 3580	4788	csrsll.exe	102
PID 4788 wrote to memory of 3580	4788	csrsll.exe	102
PID 4788 wrote to memory of 3580	4788	csrsll.exe	102
PID 4788 wrote to memory of 3580	4788	csrsll.exe	102
PID 4788 wrote to memory of 3580	4788	csrsll.exe	102
PID 4788 wrote to memory of 3580	4788	csrsll.exe	102
PID 4788 wrote to memory of 3580	4788	csrsll.exe	102
PID 4788 wrote to memory of 3580	4788	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe
"C:\Users\Admin\AppData\Local\Temp\902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe
  "C:\Users\Admin\AppData\Local\Temp\902f7ab3de4970fcc7d73279ccb8041b2cea652decb1d79be0ce9a6a6af4336c.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1528
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PTYFG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3864
  - - 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:4864
- - 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:4788
  - - 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:3732
  - - 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:3580

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\PTYFG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
21ff090f9d534108cd569ed6bae100c2

SHA1
6845055628fd32b7fbe019a2514a7709e7486b8d

SHA256
018b4bcf25dc25220dc0437bfef6eeac448cdb0d471d3f2342b98223c3c19bbe

SHA512
0887800fda2f97d8cadde8f22e0ce84afab74015c2ef450cb89ebde517d2c56041023e65acc08abcc2555bb534aa09b8c14c6ab93a4f30cbb6de162a2534c952

Download Submit
memory/1528-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1528-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1528-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1528-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1528-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2544-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2544-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2544-5-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/2544-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/2544-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2544-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/3580-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3580-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3580-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3580-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3580-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3580-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3732-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4788-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4788-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4788-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads