modiloader | 09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 19:30

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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 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4780-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4780-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4780-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4780-63-0x0000000000400000-0x0000000000414000-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

Processes:

09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid	Process
4988	csrsll.exe
1040	csrsll.exe
4780	csrsll.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.execsrsll.exe

description	pid	Process	procid_target
PID 4520 set thread context of 4976	4520	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	93
PID 4988 set thread context of 1040	4988	csrsll.exe	103
PID 4988 set thread context of 4780	4988	csrsll.exe	104

UPX packed file 20 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4520-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4520-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4976-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4976-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4520-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4976-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0012000000023a96-29.dat	upx
behavioral2/memory/4988-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4976-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4988-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4988-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4780-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4780-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4988-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4780-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4780-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4780-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4976-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1040-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4780-63-0x0000000000400000-0x0000000000414000-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

Processes:

csrsll.execsrsll.execsrsll.exe09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.execmd.exereg.exe

description	ioc	Process
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	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

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

csrsll.exe

description	pid	Process
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe
Token: SeDebugPrivilege	1040	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.execsrsll.execsrsll.exe

pid	Process
4520	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
4976	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
4988	csrsll.exe
1040	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.execmd.execsrsll.exe

description	pid	Process	procid_target
PID 4520 wrote to memory of 4976	4520	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	93
PID 4520 wrote to memory of 4976	4520	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	93
PID 4520 wrote to memory of 4976	4520	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	93
PID 4520 wrote to memory of 4976	4520	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	93
PID 4520 wrote to memory of 4976	4520	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	93
PID 4520 wrote to memory of 4976	4520	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	93
PID 4520 wrote to memory of 4976	4520	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	93
PID 4520 wrote to memory of 4976	4520	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	93
PID 4976 wrote to memory of 3144	4976	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	94
PID 4976 wrote to memory of 3144	4976	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	94
PID 4976 wrote to memory of 3144	4976	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	94
PID 3144 wrote to memory of 4388	3144	cmd.exe	98
PID 3144 wrote to memory of 4388	3144	cmd.exe	98
PID 3144 wrote to memory of 4388	3144	cmd.exe	98
PID 4976 wrote to memory of 4988	4976	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	99
PID 4976 wrote to memory of 4988	4976	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	99
PID 4976 wrote to memory of 4988	4976	09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe	99
PID 4988 wrote to memory of 1040	4988	csrsll.exe	103
PID 4988 wrote to memory of 1040	4988	csrsll.exe	103
PID 4988 wrote to memory of 1040	4988	csrsll.exe	103
PID 4988 wrote to memory of 1040	4988	csrsll.exe	103
PID 4988 wrote to memory of 1040	4988	csrsll.exe	103
PID 4988 wrote to memory of 1040	4988	csrsll.exe	103
PID 4988 wrote to memory of 1040	4988	csrsll.exe	103
PID 4988 wrote to memory of 1040	4988	csrsll.exe	103
PID 4988 wrote to memory of 4780	4988	csrsll.exe	104
PID 4988 wrote to memory of 4780	4988	csrsll.exe	104
PID 4988 wrote to memory of 4780	4988	csrsll.exe	104
PID 4988 wrote to memory of 4780	4988	csrsll.exe	104
PID 4988 wrote to memory of 4780	4988	csrsll.exe	104
PID 4988 wrote to memory of 4780	4988	csrsll.exe	104
PID 4988 wrote to memory of 4780	4988	csrsll.exe	104
PID 4988 wrote to memory of 4780	4988	csrsll.exe	104

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:4520
- C:\Users\Admin\AppData\Local\Temp\09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe
  "C:\Users\Admin\AppData\Local\Temp\09d508505dd0a254ba7c18d3815408cc68ee0bb527946ab4f552419de15390a4.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4976
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HITQO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3144
  - - 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:4388
- - 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:4988
  - - 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:1040
  - - 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:4780

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\HITQO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
78e5518a4b01420217dd440c52f7aa20

SHA1
2c96fb3c441ca1f72edc1c35a76b12fd6e8d2140

SHA256
431abdf16ea283a3a2f5104b2ba69108093adac63f7f0d5aa2da5fbb0952b681

SHA512
8eab8ad456661477bd3052d161687fff0e5cee68abb353789c73d327f777094a2a4149136e63c2c1a5e7d680a89806b8d069e14524b35dd66f6f28e1667c7b8a

Download Submit
memory/1040-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4520-5-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4520-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4520-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4520-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4520-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4520-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/4780-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4780-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4780-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4780-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4780-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4780-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4976-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4976-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4976-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4976-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4976-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4988-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4988-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4988-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4988-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download