modiloader | 9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4

Analysis

max time kernel
119s
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
26-12-2024 12:35

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General

Target

9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe
Size

90KB
MD5

c95f1bccf94d229c030204be0aed72f0
SHA1

278f49c140df3108d55a9b99b71ece91658dd5a0
SHA256

9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4
SHA512

0e15da5e4deba8b6c34dcea051080c0b3978162690ca4fec5b5452282dd4d8bb69f301e4dead54ce21037ddcc3069bf55113578afbb3a33e36b1028156f9aa56
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDs:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3m

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/2828-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2828-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe

Executes dropped EXE 3 IoCs

pid	Process
2072	csrsll.exe
4596	csrsll.exe
2828	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 2168 set thread context of 4520	2168	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	82
PID 2072 set thread context of 4596	2072	csrsll.exe	95
PID 2072 set thread context of 2828	2072	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2168-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2168-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4520-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4520-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2168-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4520-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c64-29.dat	upx
behavioral2/memory/4520-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2072-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2828-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2828-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2828-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2828-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2828-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2072-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2072-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4520-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4596-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2828-62-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe
Token: SeDebugPrivilege	4596	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2168	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe
4520	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe
2072	csrsll.exe
4596	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 4520	2168	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	82
PID 2168 wrote to memory of 4520	2168	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	82
PID 2168 wrote to memory of 4520	2168	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	82
PID 2168 wrote to memory of 4520	2168	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	82
PID 2168 wrote to memory of 4520	2168	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	82
PID 2168 wrote to memory of 4520	2168	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	82
PID 2168 wrote to memory of 4520	2168	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	82
PID 2168 wrote to memory of 4520	2168	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	82
PID 4520 wrote to memory of 2408	4520	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	83
PID 4520 wrote to memory of 2408	4520	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	83
PID 4520 wrote to memory of 2408	4520	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	83
PID 2408 wrote to memory of 2568	2408	cmd.exe	88
PID 2408 wrote to memory of 2568	2408	cmd.exe	88
PID 2408 wrote to memory of 2568	2408	cmd.exe	88
PID 4520 wrote to memory of 2072	4520	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	89
PID 4520 wrote to memory of 2072	4520	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	89
PID 4520 wrote to memory of 2072	4520	9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe	89
PID 2072 wrote to memory of 4596	2072	csrsll.exe	95
PID 2072 wrote to memory of 4596	2072	csrsll.exe	95
PID 2072 wrote to memory of 4596	2072	csrsll.exe	95
PID 2072 wrote to memory of 4596	2072	csrsll.exe	95
PID 2072 wrote to memory of 4596	2072	csrsll.exe	95
PID 2072 wrote to memory of 4596	2072	csrsll.exe	95
PID 2072 wrote to memory of 4596	2072	csrsll.exe	95
PID 2072 wrote to memory of 4596	2072	csrsll.exe	95
PID 2072 wrote to memory of 2828	2072	csrsll.exe	96
PID 2072 wrote to memory of 2828	2072	csrsll.exe	96
PID 2072 wrote to memory of 2828	2072	csrsll.exe	96
PID 2072 wrote to memory of 2828	2072	csrsll.exe	96
PID 2072 wrote to memory of 2828	2072	csrsll.exe	96
PID 2072 wrote to memory of 2828	2072	csrsll.exe	96
PID 2072 wrote to memory of 2828	2072	csrsll.exe	96
PID 2072 wrote to memory of 2828	2072	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe
"C:\Users\Admin\AppData\Local\Temp\9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe
  "C:\Users\Admin\AppData\Local\Temp\9edd0a5c0e8ded4ad3be50ba116dfff6b0806979d89d747bf1ea9c78ba6a8eb4N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4520
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RFIEC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2408
  - - 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:2568
- - 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:2072
  - - 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:4596
  - - 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:2828

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\RFIEC.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
49a853fe61bf6a9c7c7bc51bbbd55802

SHA1
f036ee796befafd1a8e7c51697d7acb46dd69f73

SHA256
0c177bceebbb71624f81e673c2201f6a9556d71d00a39fd8a5f049d44f0ec0f2

SHA512
843e51320ce49893ca35e4df022d6efd85a2a3f72df7242672022d25c0b690b93bdb34726f439d197a67c1f3a4b3cd2127c0782ec3257f8e22877f4889733e3c

Download Submit
memory/2072-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2072-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2072-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2168-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2168-6-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/2168-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2168-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/2168-4-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/2168-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2828-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2828-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2828-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2828-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2828-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2828-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4520-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4520-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4520-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4520-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4520-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4520-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4596-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads