modiloader | 2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/01/2025, 21:50

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General

Target

2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe
Size

90KB
MD5

c16d5ea55bcb4d2db750861d2cc1ce29
SHA1

a5440998ed3c3c4763586ddbb4c6c942b2fe58ad
SHA256

2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee
SHA512

70a12a1b76f2bbd41696e5dd29fcc8bf7b0fb0ead5d04d18e336283458cc9b4ac9a1b405995f0d6f45ecf741b81ad3690b6903be9feaa65022d2cbe47c8a2a88
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE35

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/4344-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4344-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4344-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4344-63-0x0000000000400000-0x0000000000414000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe

Executes dropped EXE 3 IoCs

pid	Process
4168	csrsll.exe
2936	csrsll.exe
4344	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-1-5-21-3442511616-637977696-3186306149-1000\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 1360 set thread context of 1964	1360	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	87
PID 4168 set thread context of 2936	4168	csrsll.exe	95
PID 4168 set thread context of 4344	4168	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1360-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1360-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1964-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1964-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1360-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1964-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c9f-30.dat	upx
behavioral2/memory/1964-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4168-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4168-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4344-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4344-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4344-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4344-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4344-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4168-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1964-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2936-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4344-63-0x0000000000400000-0x0000000000414000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe
Token: SeDebugPrivilege	2936	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1360	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe
1964	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe
4168	csrsll.exe
2936	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 1964	1360	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	87
PID 1360 wrote to memory of 1964	1360	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	87
PID 1360 wrote to memory of 1964	1360	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	87
PID 1360 wrote to memory of 1964	1360	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	87
PID 1360 wrote to memory of 1964	1360	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	87
PID 1360 wrote to memory of 1964	1360	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	87
PID 1360 wrote to memory of 1964	1360	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	87
PID 1360 wrote to memory of 1964	1360	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	87
PID 1964 wrote to memory of 348	1964	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	88
PID 1964 wrote to memory of 348	1964	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	88
PID 1964 wrote to memory of 348	1964	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	88
PID 348 wrote to memory of 3696	348	cmd.exe	91
PID 348 wrote to memory of 3696	348	cmd.exe	91
PID 348 wrote to memory of 3696	348	cmd.exe	91
PID 1964 wrote to memory of 4168	1964	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	92
PID 1964 wrote to memory of 4168	1964	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	92
PID 1964 wrote to memory of 4168	1964	2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe	92
PID 4168 wrote to memory of 2936	4168	csrsll.exe	95
PID 4168 wrote to memory of 2936	4168	csrsll.exe	95
PID 4168 wrote to memory of 2936	4168	csrsll.exe	95
PID 4168 wrote to memory of 2936	4168	csrsll.exe	95
PID 4168 wrote to memory of 2936	4168	csrsll.exe	95
PID 4168 wrote to memory of 2936	4168	csrsll.exe	95
PID 4168 wrote to memory of 2936	4168	csrsll.exe	95
PID 4168 wrote to memory of 2936	4168	csrsll.exe	95
PID 4168 wrote to memory of 4344	4168	csrsll.exe	96
PID 4168 wrote to memory of 4344	4168	csrsll.exe	96
PID 4168 wrote to memory of 4344	4168	csrsll.exe	96
PID 4168 wrote to memory of 4344	4168	csrsll.exe	96
PID 4168 wrote to memory of 4344	4168	csrsll.exe	96
PID 4168 wrote to memory of 4344	4168	csrsll.exe	96
PID 4168 wrote to memory of 4344	4168	csrsll.exe	96
PID 4168 wrote to memory of 4344	4168	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe
"C:\Users\Admin\AppData\Local\Temp\2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Users\Admin\AppData\Local\Temp\2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe
  "C:\Users\Admin\AppData\Local\Temp\2d2bc95deb6ac5312fe3a05ebc3a8d9ca6763879a2fb921f86a71cd644dc4dee.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PMAMY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:348
  - - 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:3696
- - 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:4168
  - - 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:2936
  - - 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:4344

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\PMAMY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
22f371784eb1ba158fb7734b89f73418

SHA1
4d4984fe312c244046662e119f5f479ea12226b7

SHA256
e3f68aae2fa8a7f9f8ee982464c6772b988e72005986e5ed037675cdb66d2b2c

SHA512
9f29559370ec6646663be193b7b3cdf02126c6f6c23dcac5603ea175f140d51b54769e6b207cb984b5b214edfc094eee4f0c9bcb5a4f3439d3708897cd7da8b0

Download Submit
memory/1360-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/1360-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/1360-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1360-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/1360-7-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/1360-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1360-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1964-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1964-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1964-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1964-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1964-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1964-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2936-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4168-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4168-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4168-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4344-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4344-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4344-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4344-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4344-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4344-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads