modiloader | 97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/01/2025, 00:56

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General

Target

97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe
Size

90KB
MD5

baa2c6f6e1f1cace920a33a813374d47
SHA1

3e305505c755080b72f4fa49ef00055440a72772
SHA256

97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787
SHA512

c9360a46477195e6830a82082e06100ad0cbee3199e6223254e39f8e81d05d4a81f0cf2ced13ae71fc528356e46c55b367e5cb9b2c3b436590ce83374142fc9a
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDr:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3V

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/1844-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1844-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1844-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1844-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe

Executes dropped EXE 3 IoCs

pid	Process
208	csrsll.exe
4036	csrsll.exe
1844	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-1-5-21-2878641211-696417878-3864914810-1000\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 2208 set thread context of 2896	2208	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	83
PID 208 set thread context of 4036	208	csrsll.exe	101
PID 208 set thread context of 1844	208	csrsll.exe	102

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2208-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2208-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2896-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2896-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2208-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2896-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2896-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c68-29.dat	upx
behavioral2/memory/2896-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/208-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/208-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1844-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1844-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1844-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1844-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/208-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1844-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2896-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4036-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1844-62-0x0000000000400000-0x0000000000414000-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	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	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe
Token: SeDebugPrivilege	4036	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2208	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe
2896	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe
208	csrsll.exe
4036	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2896	2208	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	83
PID 2208 wrote to memory of 2896	2208	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	83
PID 2208 wrote to memory of 2896	2208	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	83
PID 2208 wrote to memory of 2896	2208	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	83
PID 2208 wrote to memory of 2896	2208	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	83
PID 2208 wrote to memory of 2896	2208	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	83
PID 2208 wrote to memory of 2896	2208	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	83
PID 2208 wrote to memory of 2896	2208	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	83
PID 2896 wrote to memory of 4208	2896	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	86
PID 2896 wrote to memory of 4208	2896	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	86
PID 2896 wrote to memory of 4208	2896	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	86
PID 4208 wrote to memory of 4716	4208	cmd.exe	90
PID 4208 wrote to memory of 4716	4208	cmd.exe	90
PID 4208 wrote to memory of 4716	4208	cmd.exe	90
PID 2896 wrote to memory of 208	2896	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	91
PID 2896 wrote to memory of 208	2896	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	91
PID 2896 wrote to memory of 208	2896	97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe	91
PID 208 wrote to memory of 4036	208	csrsll.exe	101
PID 208 wrote to memory of 4036	208	csrsll.exe	101
PID 208 wrote to memory of 4036	208	csrsll.exe	101
PID 208 wrote to memory of 4036	208	csrsll.exe	101
PID 208 wrote to memory of 4036	208	csrsll.exe	101
PID 208 wrote to memory of 4036	208	csrsll.exe	101
PID 208 wrote to memory of 4036	208	csrsll.exe	101
PID 208 wrote to memory of 4036	208	csrsll.exe	101
PID 208 wrote to memory of 1844	208	csrsll.exe	102
PID 208 wrote to memory of 1844	208	csrsll.exe	102
PID 208 wrote to memory of 1844	208	csrsll.exe	102
PID 208 wrote to memory of 1844	208	csrsll.exe	102
PID 208 wrote to memory of 1844	208	csrsll.exe	102
PID 208 wrote to memory of 1844	208	csrsll.exe	102
PID 208 wrote to memory of 1844	208	csrsll.exe	102
PID 208 wrote to memory of 1844	208	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe
"C:\Users\Admin\AppData\Local\Temp\97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe
  "C:\Users\Admin\AppData\Local\Temp\97c13e2588c96e5c111ed04bbf22ec7554b7aa86ec8e8774eb30deec9e8b9787.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NRMUI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4208
  - - 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:4716
- - 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:208
  - - 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:4036
  - - 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:1844

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\NRMUI.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c2f2904ceb1870bd0eb13d507ac9e698

SHA1
2632b6391b2610cd51e9cb55a45bfa94aaf05da4

SHA256
aae9aa9c797e40230a9fa63525e477a98fb24f0dfdf6ec8a0423c72b3fa4eb4e

SHA512
4e3b4229a17eea90f8406ca98b6c3012ebcc8e6645cbd9fab64e02a8953376e3da1fb8120016230d6f2600b43030e47a60af2bb4d6689acf61efc93af7067108

Download Submit
memory/208-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/208-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/208-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1844-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1844-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1844-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1844-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1844-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1844-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2208-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2208-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2208-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2208-5-0x0000000002930000-0x0000000002932000-memory.dmp

Filesize
8KB

Download
memory/2208-6-0x0000000002940000-0x0000000002942000-memory.dmp

Filesize
8KB

Download
memory/2208-3-0x0000000002910000-0x0000000002912000-memory.dmp

Filesize
8KB

Download
memory/2896-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4036-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads