modiloader | 768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777

Analysis

max time kernel
148s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 07:44

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General

Target

768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe
Size

90KB
MD5

606f95be462c05c01969519c1346084e
SHA1

f3720e22676b7edb458098400ce7400e0dc4dec2
SHA256

768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777
SHA512

ca87d807d92f72c236fdde0eee7376fb8a6523441a031bde57e07dc50d4269c151120a90800a7c3528efe354445e07960b98e5112ae1b09365839bd01255ed39
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD/:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE31

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 1 IoCs

resource	yara_rule
behavioral1/memory/1572-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2380	csrsll.exe
1924	csrsll.exe
1572	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe
2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe
2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe
2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe
2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.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-1-5-21-4177215427-74451935-3209572229-1000\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 2680 set thread context of 2616	2680	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	31
PID 2380 set thread context of 1924	2380	csrsll.exe	36
PID 2380 set thread context of 1572	2380	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2680-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2680-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2680-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2680-90-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2616-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2680-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2616-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-132.dat	upx
behavioral1/memory/2616-146-0x0000000003140000-0x0000000003193000-memory.dmp	upx
behavioral1/memory/2616-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2380-177-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1572-243-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2380-242-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2380-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2616-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1924-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1572-257-0x0000000000400000-0x0000000000414000-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	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.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	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe
Token: SeDebugPrivilege	1924	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2680	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe
2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe
2380	csrsll.exe
1924	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2616	2680	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	31
PID 2680 wrote to memory of 2616	2680	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	31
PID 2680 wrote to memory of 2616	2680	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	31
PID 2680 wrote to memory of 2616	2680	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	31
PID 2680 wrote to memory of 2616	2680	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	31
PID 2680 wrote to memory of 2616	2680	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	31
PID 2680 wrote to memory of 2616	2680	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	31
PID 2680 wrote to memory of 2616	2680	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	31
PID 2616 wrote to memory of 1712	2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	32
PID 2616 wrote to memory of 1712	2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	32
PID 2616 wrote to memory of 1712	2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	32
PID 2616 wrote to memory of 1712	2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	32
PID 1712 wrote to memory of 2512	1712	cmd.exe	34
PID 1712 wrote to memory of 2512	1712	cmd.exe	34
PID 1712 wrote to memory of 2512	1712	cmd.exe	34
PID 1712 wrote to memory of 2512	1712	cmd.exe	34
PID 2616 wrote to memory of 2380	2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	35
PID 2616 wrote to memory of 2380	2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	35
PID 2616 wrote to memory of 2380	2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	35
PID 2616 wrote to memory of 2380	2616	768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe	35
PID 2380 wrote to memory of 1924	2380	csrsll.exe	36
PID 2380 wrote to memory of 1924	2380	csrsll.exe	36
PID 2380 wrote to memory of 1924	2380	csrsll.exe	36
PID 2380 wrote to memory of 1924	2380	csrsll.exe	36
PID 2380 wrote to memory of 1924	2380	csrsll.exe	36
PID 2380 wrote to memory of 1924	2380	csrsll.exe	36
PID 2380 wrote to memory of 1924	2380	csrsll.exe	36
PID 2380 wrote to memory of 1924	2380	csrsll.exe	36
PID 2380 wrote to memory of 1572	2380	csrsll.exe	37
PID 2380 wrote to memory of 1572	2380	csrsll.exe	37
PID 2380 wrote to memory of 1572	2380	csrsll.exe	37
PID 2380 wrote to memory of 1572	2380	csrsll.exe	37
PID 2380 wrote to memory of 1572	2380	csrsll.exe	37
PID 2380 wrote to memory of 1572	2380	csrsll.exe	37
PID 2380 wrote to memory of 1572	2380	csrsll.exe	37
PID 2380 wrote to memory of 1572	2380	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe
"C:\Users\Admin\AppData\Local\Temp\768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Local\Temp\768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe
  "C:\Users\Admin\AppData\Local\Temp\768ad64e9ce48c7be6126bbb05ad0f1a81ca02336422f48043a6c78253f9a777.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\FTTGI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1712
  - - 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:2512
- - 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:2380
  - - 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:1924
  - - 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:1572

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

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\FTTGI.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
5cf4ea4d7dfcb7bf849f50f1a58a5740

SHA1
1f1f6e55de3d1d2e3bb18fc628bce0840ac14569

SHA256
02449149f5b1225a52577ebec447234e5fe8803fbb0b37e4ee20d111c262a767

SHA512
23406d90b63755e1fae5bdf678d7b03b6a587e1b9cfd58ec30fe8db2fd1114da4a96eb2fbdd387ce3739b8aa01882a95c185575fd5d073f280b326db07a521d3

Download Submit
memory/1572-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1572-243-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1924-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2380-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2380-242-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2380-174-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2380-177-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2380-153-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2380-163-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2616-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-146-0x0000000003140000-0x0000000003193000-memory.dmp

Filesize
332KB

Download
memory/2616-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2680-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2680-71-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2680-79-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download
memory/2680-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2680-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2680-41-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2680-61-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2680-90-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2680-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2680-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2680-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2680-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2680-91-0x0000000002470000-0x00000000024C3000-memory.dmp

Filesize
332KB

Download
memory/2680-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2680-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads