modiloader | 56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7

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
06-01-2025 23:29

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General

Target

56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe
Size

90KB
MD5

97bcf4f2b9bf30482ca23b1c3925e290
SHA1

14e4f2ea5f2c1ced176270dc0f64926c112692e9
SHA256

56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7
SHA512

2e22953a221baed18fdc45e7b9315f429953de9d725f9909e2b6859b50a27a37661242d1f1e8187a48a105e68eacae6fb0269da745515fea6ba9efbcaa89ccb3
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDy: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/4148-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4148-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4148-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4148-64-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe

Executes dropped EXE 3 IoCs

pid	Process
3324	csrsll.exe
964	csrsll.exe
4148	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-1-5-21-940901362-3608833189-1915618603-1000\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 4436 set thread context of 3676	4436	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	83
PID 3324 set thread context of 964	3324	csrsll.exe	100
PID 3324 set thread context of 4148	3324	csrsll.exe	101

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4436-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4436-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3676-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3676-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4436-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3676-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023bb1-30.dat	upx
behavioral2/memory/3676-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3324-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3324-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4148-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4148-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4148-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4148-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4148-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3324-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3676-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/964-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4148-64-0x0000000000400000-0x0000000000414000-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	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4436	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe
3676	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe
3324	csrsll.exe
964	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 3676	4436	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	83
PID 4436 wrote to memory of 3676	4436	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	83
PID 4436 wrote to memory of 3676	4436	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	83
PID 4436 wrote to memory of 3676	4436	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	83
PID 4436 wrote to memory of 3676	4436	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	83
PID 4436 wrote to memory of 3676	4436	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	83
PID 4436 wrote to memory of 3676	4436	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	83
PID 4436 wrote to memory of 3676	4436	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	83
PID 3676 wrote to memory of 4820	3676	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	86
PID 3676 wrote to memory of 4820	3676	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	86
PID 3676 wrote to memory of 4820	3676	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	86
PID 4820 wrote to memory of 2836	4820	cmd.exe	90
PID 4820 wrote to memory of 2836	4820	cmd.exe	90
PID 4820 wrote to memory of 2836	4820	cmd.exe	90
PID 3676 wrote to memory of 3324	3676	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	91
PID 3676 wrote to memory of 3324	3676	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	91
PID 3676 wrote to memory of 3324	3676	56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe	91
PID 3324 wrote to memory of 964	3324	csrsll.exe	100
PID 3324 wrote to memory of 964	3324	csrsll.exe	100
PID 3324 wrote to memory of 964	3324	csrsll.exe	100
PID 3324 wrote to memory of 964	3324	csrsll.exe	100
PID 3324 wrote to memory of 964	3324	csrsll.exe	100
PID 3324 wrote to memory of 964	3324	csrsll.exe	100
PID 3324 wrote to memory of 964	3324	csrsll.exe	100
PID 3324 wrote to memory of 964	3324	csrsll.exe	100
PID 3324 wrote to memory of 4148	3324	csrsll.exe	101
PID 3324 wrote to memory of 4148	3324	csrsll.exe	101
PID 3324 wrote to memory of 4148	3324	csrsll.exe	101
PID 3324 wrote to memory of 4148	3324	csrsll.exe	101
PID 3324 wrote to memory of 4148	3324	csrsll.exe	101
PID 3324 wrote to memory of 4148	3324	csrsll.exe	101
PID 3324 wrote to memory of 4148	3324	csrsll.exe	101
PID 3324 wrote to memory of 4148	3324	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe
"C:\Users\Admin\AppData\Local\Temp\56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Users\Admin\AppData\Local\Temp\56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe
  "C:\Users\Admin\AppData\Local\Temp\56a544b8d9a83b33bff1bb20e715d2f5c42de13ddcce5e524f3832b25afa86c7N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3676
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HDBRX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4820
  - - 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:2836
- - 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:3324
  - - 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:964
  - - 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:4148

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\HDBRX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e0c604849e1d7e9de5a1ac98f4ea367a

SHA1
36d920dd67275b59c8866425cd5fd32c5df47ddf

SHA256
d5b3f09916d0e67df0530cb4a09ef704f828800f995576eb7253bcec29987426

SHA512
1a39c974d3940e374878f118a1807e3bef1a4983888adca35c4ac634938c71db83e1ee78145d2c94f4194ab836e970046ae3f3eaa77bee5876f8d6c71a648e1d

Download Submit
memory/964-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3324-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3324-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3324-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3676-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3676-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3676-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3676-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3676-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4148-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4148-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4148-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4148-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4148-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4148-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4436-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4436-6-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4436-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4436-4-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/4436-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4436-3-0x0000000002B40000-0x0000000002B42000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads