modiloader | eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fd

Analysis

max time kernel
9s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/12/2024, 06:42

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General

Target

eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
Size

90KB
MD5

60b78da61ddf51d14dd0183399d69f30
SHA1

bd0c76788f3c7eadfb0b8cda943eb5ca6a9d527e
SHA256

eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fd
SHA512

6ab6a5fe4ac054dadafb84fcbbaeb0e7fa68c013382e4181ed9ffaf9e247d3924b44d79c467726ad8cb3cce80ecde9a2572e0032aaa26e6873b31c65cfac9822
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDy:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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/1152-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

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 1 IoCs

description	pid	Process	procid_target
PID 2516 set thread context of 2796	2516	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	31

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2516-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2796-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2516-107-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2796-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2796-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2796-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2796-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2796-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2796-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2516-90-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2516-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2516-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-143.dat	upx
behavioral1/memory/2796-147-0x0000000002570000-0x00000000025C3000-memory.dmp	upx
behavioral1/memory/2796-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2796-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2328-256-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1152-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2328-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2328-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1276-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1152-264-0x0000000000400000-0x0000000000414000-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 4 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	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2516	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
2796	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2796	2516	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	31
PID 2516 wrote to memory of 2796	2516	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	31
PID 2516 wrote to memory of 2796	2516	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	31
PID 2516 wrote to memory of 2796	2516	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	31
PID 2516 wrote to memory of 2796	2516	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	31
PID 2516 wrote to memory of 2796	2516	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	31
PID 2516 wrote to memory of 2796	2516	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	31
PID 2516 wrote to memory of 2796	2516	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	31
PID 2796 wrote to memory of 640	2796	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	32
PID 2796 wrote to memory of 640	2796	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	32
PID 2796 wrote to memory of 640	2796	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	32
PID 2796 wrote to memory of 640	2796	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	32
PID 640 wrote to memory of 2960	640	cmd.exe	34
PID 640 wrote to memory of 2960	640	cmd.exe	34
PID 640 wrote to memory of 2960	640	cmd.exe	34
PID 640 wrote to memory of 2960	640	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
"C:\Users\Admin\AppData\Local\Temp\eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
  "C:\Users\Admin\AppData\Local\Temp\eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\JAVWK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:640
  - - 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:2960
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    PID:2328
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      PID:1276
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      PID:1152

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\JAVWK.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4f1666054c298f89ad161dc20f1112a5

SHA1
d151053e971691744b9933663264d9ae0eb4ae12

SHA256
aa24b85b996654ab091cad57ad33f0544f2c782d8a14cc69866b24651444f8e4

SHA512
368b8c8ac64d76cdac383e242684cda87e65be3a5057f0b2d0069d4bd1bb7544ebc1da315bf6217e9ed22083dc040db683a7f87137af0d7dd31e1d8d98747462

Download Submit
memory/1152-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1152-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1276-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2328-168-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2328-158-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2328-256-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2328-179-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2328-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2328-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2516-71-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2516-41-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2516-90-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2516-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2516-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2516-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2516-61-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2516-107-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2516-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2516-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2516-16-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2516-15-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2516-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2516-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2516-100-0x0000000001E70000-0x0000000001EC3000-memory.dmp

Filesize
332KB

Download
memory/2796-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-148-0x0000000002570000-0x00000000025C3000-memory.dmp

Filesize
332KB

Download
memory/2796-147-0x0000000002570000-0x00000000025C3000-memory.dmp

Filesize
332KB

Download
memory/2796-149-0x0000000002570000-0x00000000025C3000-memory.dmp

Filesize
332KB

Download
memory/2796-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-155-0x0000000002570000-0x00000000025C3000-memory.dmp

Filesize
332KB

Download
memory/2796-243-0x0000000002570000-0x00000000025C3000-memory.dmp

Filesize
332KB

Download
memory/2796-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-150-0x0000000002570000-0x00000000025C3000-memory.dmp

Filesize
332KB

Download
memory/2796-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-213-0x0000000002570000-0x00000000025C3000-memory.dmp

Filesize
332KB

Download
memory/2796-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads