modiloader | 893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19ee

Analysis

max time kernel
118s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2024, 01:42

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General

Target

893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe
Size

90KB
MD5

c10fc9778e1c16da233f5c3567c44180
SHA1

512ed1dd711f4e58ca5e82b1771547aae8b25427
SHA256

893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19ee
SHA512

a112a705fc7dd58bc3250e5f96a51ee70f15097b60070bd9ec00f7c527483a6e0980c40e8a81bd46faeb1a423c89b33da737e8d33e0ba2c414947c9ea55812b1
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDq:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3g

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/1688-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1688-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1688-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1688-61-0x0000000000400000-0x0000000000414000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe

Executes dropped EXE 3 IoCs

pid	Process
2684	csrsll.exe
2388	csrsll.exe
1688	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-1-5-21-3227495264-2217614367-4027411560-1000\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 4864 set thread context of 3084	4864	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	82
PID 2684 set thread context of 2388	2684	csrsll.exe	88
PID 2684 set thread context of 1688	2684	csrsll.exe	89

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4864-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4864-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3084-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4864-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b69-29.dat	upx
behavioral2/memory/3084-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2684-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2684-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1688-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1688-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1688-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2684-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1688-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3084-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2388-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1688-61-0x0000000000400000-0x0000000000414000-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	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.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	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe
Token: SeDebugPrivilege	2388	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4864	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe
3084	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe
2684	csrsll.exe
2388	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 3084	4864	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	82
PID 4864 wrote to memory of 3084	4864	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	82
PID 4864 wrote to memory of 3084	4864	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	82
PID 4864 wrote to memory of 3084	4864	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	82
PID 4864 wrote to memory of 3084	4864	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	82
PID 4864 wrote to memory of 3084	4864	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	82
PID 4864 wrote to memory of 3084	4864	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	82
PID 4864 wrote to memory of 3084	4864	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	82
PID 3084 wrote to memory of 864	3084	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	83
PID 3084 wrote to memory of 864	3084	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	83
PID 3084 wrote to memory of 864	3084	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	83
PID 864 wrote to memory of 4456	864	cmd.exe	86
PID 864 wrote to memory of 4456	864	cmd.exe	86
PID 864 wrote to memory of 4456	864	cmd.exe	86
PID 3084 wrote to memory of 2684	3084	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	87
PID 3084 wrote to memory of 2684	3084	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	87
PID 3084 wrote to memory of 2684	3084	893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe	87
PID 2684 wrote to memory of 2388	2684	csrsll.exe	88
PID 2684 wrote to memory of 2388	2684	csrsll.exe	88
PID 2684 wrote to memory of 2388	2684	csrsll.exe	88
PID 2684 wrote to memory of 2388	2684	csrsll.exe	88
PID 2684 wrote to memory of 2388	2684	csrsll.exe	88
PID 2684 wrote to memory of 2388	2684	csrsll.exe	88
PID 2684 wrote to memory of 2388	2684	csrsll.exe	88
PID 2684 wrote to memory of 2388	2684	csrsll.exe	88
PID 2684 wrote to memory of 1688	2684	csrsll.exe	89
PID 2684 wrote to memory of 1688	2684	csrsll.exe	89
PID 2684 wrote to memory of 1688	2684	csrsll.exe	89
PID 2684 wrote to memory of 1688	2684	csrsll.exe	89
PID 2684 wrote to memory of 1688	2684	csrsll.exe	89
PID 2684 wrote to memory of 1688	2684	csrsll.exe	89
PID 2684 wrote to memory of 1688	2684	csrsll.exe	89
PID 2684 wrote to memory of 1688	2684	csrsll.exe	89

C:\Users\Admin\AppData\Local\Temp\893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe
"C:\Users\Admin\AppData\Local\Temp\893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Users\Admin\AppData\Local\Temp\893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe
  "C:\Users\Admin\AppData\Local\Temp\893fdee34f840a656b3bbd31d54658744159eefe06b60741c9e00084b10f19eeN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RCAEH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:864
  - - 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:4456
- - 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:2684
  - - 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:2388
  - - 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:1688

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9da2b7b080c2d1a1b0fb1fa6c4c01d38

SHA1
67c777a43b36fed0cf3201677b10da7e7e355567

SHA256
e8c4b33088b5adf673386a2587a9ef50dc05b7c39afce14d4610a785d5f5befa

SHA512
5e81045d18464d843e5cec95c828e779e92351ab2eb9ff28fdbb718fab266b7be2961624bd7f75aeffcf9d6bd01cf35fd7bac423327fd58f2ff8dd4deed4c5d0

Download Submit
memory/1688-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1688-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1688-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1688-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1688-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2388-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2684-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2684-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2684-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3084-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3084-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3084-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3084-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3084-57-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3084-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4864-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4864-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4864-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4864-3-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/4864-4-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/4864-6-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads