modiloader | 5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b

Analysis

max time kernel
150s
max time network
151s
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, 22:18

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General

Target
5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe
Size 90KB
Sample241226-18bh4stjap
SHA256 5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b
MD5 f9b86763ab016469f1c3b26eada65375
SHA1 bfd5face8500082f5467eb55db165657bf60b5db
SHA512 dfbefa413a9f140bade987cbe62bd34f4bdb8c1fed1455f16a4f80e21a500839ca9f09cca3c80a66ee1c11c95d43079476311e96d4fff6c67b8ab225b34415cc
SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
MD5 SHA1 SHA512 SSDEEP

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/4232-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4232-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4232-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4232-64-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe

Executes dropped EXE 3 IoCs

pid	Process
3432	csrsll.exe
4304	csrsll.exe
4232	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-1-5-21-4050598569-1597076380-177084960-1000\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 3152 set thread context of 1452	3152	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	87
PID 3432 set thread context of 4304	3432	csrsll.exe	95
PID 3432 set thread context of 4232	3432	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3152-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3152-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1452-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1452-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3152-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1452-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023ca0-29.dat	upx
behavioral2/memory/3432-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1452-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3432-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3432-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4232-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4232-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4232-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4232-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4232-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3432-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1452-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4304-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4232-64-0x0000000000400000-0x0000000000414000-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	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.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	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe
Token: SeDebugPrivilege	4304	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3152	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe
1452	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe
3432	csrsll.exe
4304	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 1452	3152	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	87
PID 3152 wrote to memory of 1452	3152	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	87
PID 3152 wrote to memory of 1452	3152	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	87
PID 3152 wrote to memory of 1452	3152	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	87
PID 3152 wrote to memory of 1452	3152	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	87
PID 3152 wrote to memory of 1452	3152	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	87
PID 3152 wrote to memory of 1452	3152	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	87
PID 3152 wrote to memory of 1452	3152	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	87
PID 1452 wrote to memory of 4652	1452	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	88
PID 1452 wrote to memory of 4652	1452	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	88
PID 1452 wrote to memory of 4652	1452	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	88
PID 4652 wrote to memory of 1636	4652	cmd.exe	91
PID 4652 wrote to memory of 1636	4652	cmd.exe	91
PID 4652 wrote to memory of 1636	4652	cmd.exe	91
PID 1452 wrote to memory of 3432	1452	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	92
PID 1452 wrote to memory of 3432	1452	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	92
PID 1452 wrote to memory of 3432	1452	5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe	92
PID 3432 wrote to memory of 4304	3432	csrsll.exe	95
PID 3432 wrote to memory of 4304	3432	csrsll.exe	95
PID 3432 wrote to memory of 4304	3432	csrsll.exe	95
PID 3432 wrote to memory of 4304	3432	csrsll.exe	95
PID 3432 wrote to memory of 4304	3432	csrsll.exe	95
PID 3432 wrote to memory of 4304	3432	csrsll.exe	95
PID 3432 wrote to memory of 4304	3432	csrsll.exe	95
PID 3432 wrote to memory of 4304	3432	csrsll.exe	95
PID 3432 wrote to memory of 4232	3432	csrsll.exe	96
PID 3432 wrote to memory of 4232	3432	csrsll.exe	96
PID 3432 wrote to memory of 4232	3432	csrsll.exe	96
PID 3432 wrote to memory of 4232	3432	csrsll.exe	96
PID 3432 wrote to memory of 4232	3432	csrsll.exe	96
PID 3432 wrote to memory of 4232	3432	csrsll.exe	96
PID 3432 wrote to memory of 4232	3432	csrsll.exe	96
PID 3432 wrote to memory of 4232	3432	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe
"C:\Users\Admin\AppData\Local\Temp\5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Users\Admin\AppData\Local\Temp\5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe
  "C:\Users\Admin\AppData\Local\Temp\5229701cb12661dcdfb9275805d2a9bb2438a3b85908193766f7f288a4c5089b.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OPMVH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4652
  - - 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:1636
- - 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:3432
  - - 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:4304
  - - 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:4232

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

OPMVH.txt

Path C:\Users\Admin\AppData\Local\Temp\OPMVH.txt
Size 145B
SHA256 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
MD5 4eb61ec7816c34ec8c125acadc57ec1b
SHA1 b0015cc865c0bb1a027be663027d3829401a31cc
SHA512 f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
MD5 SHA1 SHA512

Submit Download

csrsll.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Size 90KB
SHA256 82b2954eb24b2d9c152f73ccc53e9448bc653730027c62d76670aa5c6ed8fecb
MD5 e7e29eaa6a51e13a0333aa4f42b38b78
SHA1 bcd408708fbcbc62b3f58bc4fb65b2452185fb90
SHA512 62a922efc5997d45c8e99fd9b55bd5aa046cd11c377fc0532cacec8e9b0c13d6418dc7d675d9b15b978bf1aeac0307ece3fdaed631a5802c3df4764ec0d9fb07
SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1452-40-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/1452-7-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/1452-9-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/1452-13-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/1452-62-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/3152-0-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/3152-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Download

memory/3152-11-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/3152-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Download

memory/3152-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

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memory/3152-5-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/3432-41-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/3432-36-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/3432-59-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/3432-42-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/4232-50-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4232-54-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4232-56-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4232-57-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4232-55-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4232-64-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4304-63-0x0000000000400000-0x000000000040B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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