modiloader | 4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858

Analysis

max time kernel
118s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 00:53

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General

Target

4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe
Size

90KB
MD5

de3c8f8b2e6b84e4c58a4846cb1f46b0
SHA1

d7cf49f4c711f743189e27fce12150b46557dec5
SHA256

4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858
SHA512

0e02b625f772d39ff35f5282f51590f6f848456bd10a204d70db910c027976fc4c0da59f488502177efebc703248d1941d587d4d0c26c6f7ac850ab9e8658ece
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDf:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3p

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/2128-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1872	csrsll.exe
956	csrsll.exe
2128	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe
2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe
2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe
2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe
2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.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-1-5-21-312935884-697965778-3955649944-1000\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 3044 set thread context of 2604	3044	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	31
PID 1872 set thread context of 956	1872	csrsll.exe	36
PID 1872 set thread context of 2128	1872	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3044-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3044-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2604-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3044-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2604-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2604-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2604-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2604-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2604-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2604-145-0x0000000002700000-0x0000000002753000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-146.dat	upx
behavioral1/memory/1872-151-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2604-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1872-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2128-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2604-247-0x0000000002700000-0x0000000002753000-memory.dmp	upx
behavioral1/memory/2604-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1872-255-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/956-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2128-260-0x0000000000400000-0x0000000000414000-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	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.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	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe
Token: SeDebugPrivilege	956	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3044	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe
2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe
1872	csrsll.exe
956	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2604	3044	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	31
PID 3044 wrote to memory of 2604	3044	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	31
PID 3044 wrote to memory of 2604	3044	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	31
PID 3044 wrote to memory of 2604	3044	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	31
PID 3044 wrote to memory of 2604	3044	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	31
PID 3044 wrote to memory of 2604	3044	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	31
PID 3044 wrote to memory of 2604	3044	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	31
PID 3044 wrote to memory of 2604	3044	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	31
PID 2604 wrote to memory of 1748	2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	32
PID 2604 wrote to memory of 1748	2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	32
PID 2604 wrote to memory of 1748	2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	32
PID 2604 wrote to memory of 1748	2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	32
PID 1748 wrote to memory of 1272	1748	cmd.exe	34
PID 1748 wrote to memory of 1272	1748	cmd.exe	34
PID 1748 wrote to memory of 1272	1748	cmd.exe	34
PID 1748 wrote to memory of 1272	1748	cmd.exe	34
PID 2604 wrote to memory of 1872	2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	35
PID 2604 wrote to memory of 1872	2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	35
PID 2604 wrote to memory of 1872	2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	35
PID 2604 wrote to memory of 1872	2604	4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe	35
PID 1872 wrote to memory of 956	1872	csrsll.exe	36
PID 1872 wrote to memory of 956	1872	csrsll.exe	36
PID 1872 wrote to memory of 956	1872	csrsll.exe	36
PID 1872 wrote to memory of 956	1872	csrsll.exe	36
PID 1872 wrote to memory of 956	1872	csrsll.exe	36
PID 1872 wrote to memory of 956	1872	csrsll.exe	36
PID 1872 wrote to memory of 956	1872	csrsll.exe	36
PID 1872 wrote to memory of 956	1872	csrsll.exe	36
PID 1872 wrote to memory of 2128	1872	csrsll.exe	37
PID 1872 wrote to memory of 2128	1872	csrsll.exe	37
PID 1872 wrote to memory of 2128	1872	csrsll.exe	37
PID 1872 wrote to memory of 2128	1872	csrsll.exe	37
PID 1872 wrote to memory of 2128	1872	csrsll.exe	37
PID 1872 wrote to memory of 2128	1872	csrsll.exe	37
PID 1872 wrote to memory of 2128	1872	csrsll.exe	37
PID 1872 wrote to memory of 2128	1872	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe
"C:\Users\Admin\AppData\Local\Temp\4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe
  "C:\Users\Admin\AppData\Local\Temp\4cec6ccd78026ca67b629e18fcb54b15005432c626aaa961538879c4011eb858N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\DGRTO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1748
  - - 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:1272
- - 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:1872
  - - 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:956
  - - 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:2128

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DGRTO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0fbee94191eaad4ea8501ae04ea8f326

SHA1
4890fcc90598376eb7956cbe5938c1c8c77beaf0

SHA256
40d7822e6b95b90f23503726f5a4dc97618e9be8c5c326d1fe755a2a55def706

SHA512
07488007bb752d69e0596c179da37a2ae136e11d899bf70679a939841105415922c17a50a449ae6b594f62866f3c50a264ef4a0c26b7fcfaee99cdac8c4e4ced

Download Submit
memory/956-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1872-255-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1872-157-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1872-178-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1872-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1872-167-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1872-151-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2128-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2128-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2604-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2604-148-0x0000000002700000-0x0000000002753000-memory.dmp

Filesize
332KB

Download
memory/2604-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2604-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2604-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2604-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2604-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2604-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2604-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2604-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2604-247-0x0000000002700000-0x0000000002753000-memory.dmp

Filesize
332KB

Download
memory/2604-145-0x0000000002700000-0x0000000002753000-memory.dmp

Filesize
332KB

Download
memory/2604-248-0x0000000002700000-0x0000000002753000-memory.dmp

Filesize
332KB

Download
memory/2604-147-0x0000000002700000-0x0000000002753000-memory.dmp

Filesize
332KB

Download
memory/2604-149-0x0000000002700000-0x0000000002753000-memory.dmp

Filesize
332KB

Download
memory/2604-150-0x0000000002700000-0x0000000002753000-memory.dmp

Filesize
332KB

Download
memory/3044-61-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/3044-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3044-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3044-79-0x0000000000350000-0x0000000000352000-memory.dmp

Filesize
8KB

Download
memory/3044-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3044-41-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/3044-106-0x0000000001DF0000-0x0000000001E43000-memory.dmp

Filesize
332KB

Download
memory/3044-71-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/3044-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3044-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/3044-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/3044-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/3044-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/3044-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads