modiloader | 2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a

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
03-12-2024 05:38

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General

Target

2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe
Size

90KB
MD5

6aff9252c3a6340e68fa1efbc86b45f8
SHA1

929eaf919b14be816ff6db4c46094e2b08a498c1
SHA256

2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a
SHA512

c7e3e68e7013ca4a8822b0dbe7d5d812b13e9f0df3174102cedd57326324ef7a0a14d73c5a8d514f2c514cb30f996ce233fd54786e6f767b5013ca14363c55b4
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDV:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3f

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/2632-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2632-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2632-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2632-63-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe

Executes dropped EXE 3 IoCs

pid	Process
4060	csrsll.exe
864	csrsll.exe
2632	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-1-5-21-1045960512-3948844814-3059691613-1000\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 2940 set thread context of 1488	2940	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	83
PID 4060 set thread context of 864	4060	csrsll.exe	97
PID 4060 set thread context of 2632	4060	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2940-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2940-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1488-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1488-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1488-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2940-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000f000000023bb7-29.dat	upx
behavioral2/memory/1488-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4060-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4060-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2632-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2632-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4060-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2632-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2632-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2632-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1488-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/864-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2632-63-0x0000000000400000-0x0000000000414000-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	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	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe
Token: SeDebugPrivilege	864	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2940	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe
1488	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe
4060	csrsll.exe
864	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 1488	2940	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	83
PID 2940 wrote to memory of 1488	2940	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	83
PID 2940 wrote to memory of 1488	2940	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	83
PID 2940 wrote to memory of 1488	2940	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	83
PID 2940 wrote to memory of 1488	2940	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	83
PID 2940 wrote to memory of 1488	2940	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	83
PID 2940 wrote to memory of 1488	2940	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	83
PID 2940 wrote to memory of 1488	2940	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	83
PID 1488 wrote to memory of 3524	1488	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	84
PID 1488 wrote to memory of 3524	1488	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	84
PID 1488 wrote to memory of 3524	1488	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	84
PID 3524 wrote to memory of 2476	3524	cmd.exe	88
PID 3524 wrote to memory of 2476	3524	cmd.exe	88
PID 3524 wrote to memory of 2476	3524	cmd.exe	88
PID 1488 wrote to memory of 4060	1488	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	89
PID 1488 wrote to memory of 4060	1488	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	89
PID 1488 wrote to memory of 4060	1488	2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe	89
PID 4060 wrote to memory of 864	4060	csrsll.exe	97
PID 4060 wrote to memory of 864	4060	csrsll.exe	97
PID 4060 wrote to memory of 864	4060	csrsll.exe	97
PID 4060 wrote to memory of 864	4060	csrsll.exe	97
PID 4060 wrote to memory of 864	4060	csrsll.exe	97
PID 4060 wrote to memory of 864	4060	csrsll.exe	97
PID 4060 wrote to memory of 864	4060	csrsll.exe	97
PID 4060 wrote to memory of 864	4060	csrsll.exe	97
PID 4060 wrote to memory of 2632	4060	csrsll.exe	98
PID 4060 wrote to memory of 2632	4060	csrsll.exe	98
PID 4060 wrote to memory of 2632	4060	csrsll.exe	98
PID 4060 wrote to memory of 2632	4060	csrsll.exe	98
PID 4060 wrote to memory of 2632	4060	csrsll.exe	98
PID 4060 wrote to memory of 2632	4060	csrsll.exe	98
PID 4060 wrote to memory of 2632	4060	csrsll.exe	98
PID 4060 wrote to memory of 2632	4060	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe
"C:\Users\Admin\AppData\Local\Temp\2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe
  "C:\Users\Admin\AppData\Local\Temp\2f64acf32d3456eada73459717dabdb7df73a044fe2929ffae6a10edf00bba7a.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VGFJW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3524
  - - 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:2476
- - 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:4060
  - - 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:864
  - - 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:2632

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\VGFJW.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
afd52cc866714912fab3c29afee79c16

SHA1
067fbf435e157e2ebfda0f36f14e487596b8378b

SHA256
12eec6424da258b5188bf87bf6fffade7bd3d467aab142310a3506dc4e112e78

SHA512
b737d24e00d980c487fe5a389f449b4e3299ecad05fdc0c1d4c930e314aa7801a9d15ee56a4f333eba2257eebcb465d054cb79ddc616c89ff25bab42416a746b

Download Submit
memory/864-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1488-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1488-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1488-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1488-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1488-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2632-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2632-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2632-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2632-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2632-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2632-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2940-5-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/2940-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/2940-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/2940-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2940-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2940-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4060-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4060-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4060-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads