modiloader | 0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-11-2024 23:10

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General

Target

0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe
Size

90KB
MD5

b3016906f753387dab1424fa32513591
SHA1

6e9d0df309fae3e51842fa2f2879e2dfe9c4f47e
SHA256

0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153
SHA512

59cfb43eec68d26f3c25f177b7da2ab7ccdb114b588f4e64ac9c4f04b469473ddbcf5a86ce5afcbe064134c7797b6102597e892607ea2bae675cb6cd34320c24
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/4808-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4808-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4808-62-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4808-64-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe

Executes dropped EXE 3 IoCs

pid	Process
736	csrsll.exe
2564	csrsll.exe
4808	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-1-5-21-4089630652-1596403869-279772308-1000\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 4564 set thread context of 516	4564	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	91
PID 736 set thread context of 2564	736	csrsll.exe	99
PID 736 set thread context of 4808	736	csrsll.exe	100

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4564-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4564-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/516-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/516-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4564-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/516-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023c66-29.dat	upx
behavioral2/memory/736-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/516-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/736-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4808-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4808-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4808-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/516-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/736-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4808-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/736-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4808-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2564-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4808-64-0x0000000000400000-0x0000000000414000-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	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe
Token: SeDebugPrivilege	2564	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4564	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe
516	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe
736	csrsll.exe
2564	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 516	4564	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	91
PID 4564 wrote to memory of 516	4564	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	91
PID 4564 wrote to memory of 516	4564	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	91
PID 4564 wrote to memory of 516	4564	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	91
PID 4564 wrote to memory of 516	4564	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	91
PID 4564 wrote to memory of 516	4564	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	91
PID 4564 wrote to memory of 516	4564	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	91
PID 4564 wrote to memory of 516	4564	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	91
PID 516 wrote to memory of 4280	516	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	92
PID 516 wrote to memory of 4280	516	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	92
PID 516 wrote to memory of 4280	516	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	92
PID 4280 wrote to memory of 4508	4280	cmd.exe	95
PID 4280 wrote to memory of 4508	4280	cmd.exe	95
PID 4280 wrote to memory of 4508	4280	cmd.exe	95
PID 516 wrote to memory of 736	516	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	96
PID 516 wrote to memory of 736	516	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	96
PID 516 wrote to memory of 736	516	0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe	96
PID 736 wrote to memory of 2564	736	csrsll.exe	99
PID 736 wrote to memory of 2564	736	csrsll.exe	99
PID 736 wrote to memory of 2564	736	csrsll.exe	99
PID 736 wrote to memory of 2564	736	csrsll.exe	99
PID 736 wrote to memory of 2564	736	csrsll.exe	99
PID 736 wrote to memory of 2564	736	csrsll.exe	99
PID 736 wrote to memory of 2564	736	csrsll.exe	99
PID 736 wrote to memory of 2564	736	csrsll.exe	99
PID 736 wrote to memory of 4808	736	csrsll.exe	100
PID 736 wrote to memory of 4808	736	csrsll.exe	100
PID 736 wrote to memory of 4808	736	csrsll.exe	100
PID 736 wrote to memory of 4808	736	csrsll.exe	100
PID 736 wrote to memory of 4808	736	csrsll.exe	100
PID 736 wrote to memory of 4808	736	csrsll.exe	100
PID 736 wrote to memory of 4808	736	csrsll.exe	100
PID 736 wrote to memory of 4808	736	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe
"C:\Users\Admin\AppData\Local\Temp\0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Users\Admin\AppData\Local\Temp\0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe
  "C:\Users\Admin\AppData\Local\Temp\0a318b06437becf48efb71a287a7925cec1c6cdb871ab120271cb4afde974153.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:516
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QPBKB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4280
  - - 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:4508
- - 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:736
  - - 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:2564
  - - 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:4808

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\QPBKB.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c9869f3f49e5136c3438c707442ab739

SHA1
d16cd963b920cc5a43dfbe01fbf731163f029275

SHA256
17135cf343479453fc18ef513c1eb760042825388c9a6b165027003211b58fa3

SHA512
360a5ce7f716bc7f95d983d870f6f9daf4be5f975c5e450e9b6a05326a9064d0db2eb21a6e76d04cd12aba6e2ae4d3eac46f277a2509b8a4c17498f8380d6679

Download Submit
memory/516-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/516-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/516-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/516-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/516-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/736-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/736-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/736-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/736-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2564-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4564-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4564-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4564-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4564-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4564-5-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/4564-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/4808-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4808-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4808-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4808-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4808-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4808-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads