modiloader | 09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 19:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
Size

90KB
MD5

a67db319fe091bb7b50abd1fcb793825
SHA1

52db54795f60071176e47815a61e35d0852385f3
SHA256

09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4
SHA512

f4742f93ccfaf812797fa9d4a900e9a49fd98fede19a0e64b52da600d4b03d2e5d0fe63e4ed03987e406274eef569c19df2eba139f039eaa4a954f9823125eeb
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 2 IoCs

resource	yara_rule
behavioral1/memory/1916-247-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1916-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1708	csrsll.exe
832	csrsll.exe
1916	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.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-1-5-21-2872745919-2748461613-2989606286-1000\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 2644 set thread context of 2676	2644	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	31
PID 1708 set thread context of 832	1708	csrsll.exe	36
PID 1708 set thread context of 1916	1708	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2644-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-65-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-86-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2676-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-133.dat	upx
behavioral1/memory/2676-135-0x0000000002720000-0x0000000002773000-memory.dmp	upx
behavioral1/memory/2676-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-152-0x0000000002720000-0x0000000002773000-memory.dmp	upx
behavioral1/memory/1708-210-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1708-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1916-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2676-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1916-257-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/832-256-0x0000000000400000-0x000000000040B000-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	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.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	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2644	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
1708	csrsll.exe
832	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2676	2644	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	31
PID 2644 wrote to memory of 2676	2644	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	31
PID 2644 wrote to memory of 2676	2644	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	31
PID 2644 wrote to memory of 2676	2644	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	31
PID 2644 wrote to memory of 2676	2644	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	31
PID 2644 wrote to memory of 2676	2644	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	31
PID 2644 wrote to memory of 2676	2644	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	31
PID 2644 wrote to memory of 2676	2644	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	31
PID 2676 wrote to memory of 1564	2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	32
PID 2676 wrote to memory of 1564	2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	32
PID 2676 wrote to memory of 1564	2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	32
PID 2676 wrote to memory of 1564	2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	32
PID 1564 wrote to memory of 1016	1564	cmd.exe	34
PID 1564 wrote to memory of 1016	1564	cmd.exe	34
PID 1564 wrote to memory of 1016	1564	cmd.exe	34
PID 1564 wrote to memory of 1016	1564	cmd.exe	34
PID 2676 wrote to memory of 1708	2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	35
PID 2676 wrote to memory of 1708	2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	35
PID 2676 wrote to memory of 1708	2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	35
PID 2676 wrote to memory of 1708	2676	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	35
PID 1708 wrote to memory of 832	1708	csrsll.exe	36
PID 1708 wrote to memory of 832	1708	csrsll.exe	36
PID 1708 wrote to memory of 832	1708	csrsll.exe	36
PID 1708 wrote to memory of 832	1708	csrsll.exe	36
PID 1708 wrote to memory of 832	1708	csrsll.exe	36
PID 1708 wrote to memory of 832	1708	csrsll.exe	36
PID 1708 wrote to memory of 832	1708	csrsll.exe	36
PID 1708 wrote to memory of 832	1708	csrsll.exe	36
PID 1708 wrote to memory of 1916	1708	csrsll.exe	37
PID 1708 wrote to memory of 1916	1708	csrsll.exe	37
PID 1708 wrote to memory of 1916	1708	csrsll.exe	37
PID 1708 wrote to memory of 1916	1708	csrsll.exe	37
PID 1708 wrote to memory of 1916	1708	csrsll.exe	37
PID 1708 wrote to memory of 1916	1708	csrsll.exe	37
PID 1708 wrote to memory of 1916	1708	csrsll.exe	37
PID 1708 wrote to memory of 1916	1708	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
"C:\Users\Admin\AppData\Local\Temp\09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
  "C:\Users\Admin\AppData\Local\Temp\09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\BDXTO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1564
  - - 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:1016
- - 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:1708
  - - 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:832
  - - 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:1916

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

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\BDXTO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
5ea9426426bfe2de2239b5d85b74fe36

SHA1
859bae99e03ee8e19c123fae1d765bacfa7765cb

SHA256
2deddaea5bd56eeda63f8ce38ebfe7d8ad926bc898611391c4894bca9cd7bf1d

SHA512
14ff4279da5aa2309531a2fd94e5c9b59ceb196d84306c6ccdf9083aa2d7351e0c0040a20eb1915a5b3bdb89849bfec9ab1e11f8e6db804e5d9a5a5fa994fca2

Download Submit
memory/832-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1708-155-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1708-210-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1708-176-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1708-165-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1708-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1916-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1916-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2644-86-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-40-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2644-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-79-0x0000000000320000-0x0000000000322000-memory.dmp

Filesize
8KB

Download
memory/2644-71-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2644-92-0x00000000004A0000-0x00000000004F3000-memory.dmp

Filesize
332KB

Download
memory/2644-28-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2644-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-60-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2644-65-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2644-17-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2644-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2644-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2676-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-152-0x0000000002720000-0x0000000002773000-memory.dmp

Filesize
332KB

Download
memory/2676-135-0x0000000002720000-0x0000000002773000-memory.dmp

Filesize
332KB

Download
memory/2676-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-245-0x0000000002720000-0x0000000002773000-memory.dmp

Filesize
332KB

Download
memory/2676-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads