modiloader | 135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 02:26

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General

Target

135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe
Size

90KB
MD5

2402ee98082f262ef49ae8fea5506ca4
SHA1

178a50316c015469ef50f13055d036db3200f5a9
SHA256

135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34
SHA512

69d96e94bed150787e7ba4a1529f5eafc41a9c626daa08f7bb44201d8a65249561765297128f8ac39002a86a0181a4a75c8c9309ee99d63416fd9e3b672585c4
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDk:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3K

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/1980-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2704	csrsll.exe
620	csrsll.exe
1980	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe
2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe
2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe
2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe
2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.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-1-5-21-2703099537-420551529-3771253338-1000\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 2544 set thread context of 2088	2544	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	29
PID 2704 set thread context of 620	2704	csrsll.exe	34
PID 2704 set thread context of 1980	2704	csrsll.exe	35

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2544-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2544-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2544-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2088-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2544-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2088-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2088-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2088-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2088-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2088-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00090000000120fd-131.dat	upx
behavioral1/memory/2088-145-0x00000000034C0000-0x0000000003513000-memory.dmp	upx
behavioral1/memory/2088-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2704-215-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1980-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2704-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2704-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2088-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/620-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1980-262-0x0000000000400000-0x0000000000414000-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	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.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	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe
Token: SeDebugPrivilege	620	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2544	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe
2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe
2704	csrsll.exe
620	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2088	2544	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	29
PID 2544 wrote to memory of 2088	2544	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	29
PID 2544 wrote to memory of 2088	2544	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	29
PID 2544 wrote to memory of 2088	2544	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	29
PID 2544 wrote to memory of 2088	2544	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	29
PID 2544 wrote to memory of 2088	2544	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	29
PID 2544 wrote to memory of 2088	2544	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	29
PID 2544 wrote to memory of 2088	2544	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	29
PID 2088 wrote to memory of 1676	2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	30
PID 2088 wrote to memory of 1676	2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	30
PID 2088 wrote to memory of 1676	2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	30
PID 2088 wrote to memory of 1676	2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	30
PID 1676 wrote to memory of 1556	1676	cmd.exe	32
PID 1676 wrote to memory of 1556	1676	cmd.exe	32
PID 1676 wrote to memory of 1556	1676	cmd.exe	32
PID 1676 wrote to memory of 1556	1676	cmd.exe	32
PID 2088 wrote to memory of 2704	2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	33
PID 2088 wrote to memory of 2704	2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	33
PID 2088 wrote to memory of 2704	2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	33
PID 2088 wrote to memory of 2704	2088	135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe	33
PID 2704 wrote to memory of 620	2704	csrsll.exe	34
PID 2704 wrote to memory of 620	2704	csrsll.exe	34
PID 2704 wrote to memory of 620	2704	csrsll.exe	34
PID 2704 wrote to memory of 620	2704	csrsll.exe	34
PID 2704 wrote to memory of 620	2704	csrsll.exe	34
PID 2704 wrote to memory of 620	2704	csrsll.exe	34
PID 2704 wrote to memory of 620	2704	csrsll.exe	34
PID 2704 wrote to memory of 620	2704	csrsll.exe	34
PID 2704 wrote to memory of 1980	2704	csrsll.exe	35
PID 2704 wrote to memory of 1980	2704	csrsll.exe	35
PID 2704 wrote to memory of 1980	2704	csrsll.exe	35
PID 2704 wrote to memory of 1980	2704	csrsll.exe	35
PID 2704 wrote to memory of 1980	2704	csrsll.exe	35
PID 2704 wrote to memory of 1980	2704	csrsll.exe	35
PID 2704 wrote to memory of 1980	2704	csrsll.exe	35
PID 2704 wrote to memory of 1980	2704	csrsll.exe	35

C:\Users\Admin\AppData\Local\Temp\135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe
"C:\Users\Admin\AppData\Local\Temp\135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe
  "C:\Users\Admin\AppData\Local\Temp\135594fc2891560f2b70746a90019061a7c6ccb574568a41667a933355437e34.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NEYDO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1676
  - - 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:1556
- - 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:2704
  - - 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:620
  - - 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:1980

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\NEYDO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
b660afc6f114cd01c55b7293ce59ac5f

SHA1
a2bde2f2aeb5a9aaf0dd9b1ebd47f44b237a52a9

SHA256
3a43d19a2def12520c7ad53d9718c98cb4810e34ab9dd4e08a0e0f7982bdc58b

SHA512
bb83a57487a286feefa690dc566db7c7c336e6790632d5547db3b9fa3542f29a6fd3e1383b6bc1c0bbca392ed1e0650d4514c0eb5378fdec534101420a9b739f

Download Submit
memory/620-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1980-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1980-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2088-146-0x00000000034C0000-0x0000000003513000-memory.dmp

Filesize
332KB

Download
memory/2088-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2088-153-0x00000000034C0000-0x0000000003513000-memory.dmp

Filesize
332KB

Download
memory/2088-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2088-145-0x00000000034C0000-0x0000000003513000-memory.dmp

Filesize
332KB

Download
memory/2088-211-0x00000000034C0000-0x0000000003513000-memory.dmp

Filesize
332KB

Download
memory/2088-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2088-147-0x00000000034C0000-0x0000000003513000-memory.dmp

Filesize
332KB

Download
memory/2088-148-0x00000000034C0000-0x0000000003513000-memory.dmp

Filesize
332KB

Download
memory/2088-214-0x00000000034C0000-0x0000000003513000-memory.dmp

Filesize
332KB

Download
memory/2088-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2088-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2088-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2088-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2088-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2088-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2088-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2544-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/2544-29-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2544-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2544-103-0x0000000000540000-0x0000000000593000-memory.dmp

Filesize
332KB

Download
memory/2544-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2544-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2544-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2544-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2544-5-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2544-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2544-3-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2544-41-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2544-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2544-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2704-177-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2704-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2704-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2704-166-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2704-215-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2704-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads