modiloader | 21ea2b1e9ff91ecb2a28be24c64fd3acbde82750fb56f04d6144c832ca7f4374

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 02:42

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General

Target

3680dab7a6c71c0451244780836bdf30N.exe
Size

326KB
MD5

3680dab7a6c71c0451244780836bdf30
SHA1

b7e297e6dfe6a2f1bc3de464ce4aaedcc6af592a
SHA256

21ea2b1e9ff91ecb2a28be24c64fd3acbde82750fb56f04d6144c832ca7f4374
SHA512

2be34a7de56ac96b4e77b2d7bffaa0f27385df64079b418f265cd8bcee2e41017b4ea203bea85c2e9a97b0d8dedf138a8f63c4fc180f2cc45c24bf5eaa99c6b4
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

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 Second Stage 2 IoCs

resource	yara_rule
behavioral1/memory/2384-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2384-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2932	csrsll.exe
952	csrsll.exe
2384	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2600	3680dab7a6c71c0451244780836bdf30N.exe
2600	3680dab7a6c71c0451244780836bdf30N.exe
2600	3680dab7a6c71c0451244780836bdf30N.exe
2600	3680dab7a6c71c0451244780836bdf30N.exe
2600	3680dab7a6c71c0451244780836bdf30N.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/304-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/304-90-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2600-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/304-85-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/304-80-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/304-105-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2600-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/304-102-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2600-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-132.dat	upx
behavioral1/memory/2932-152-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2600-146-0x0000000002830000-0x0000000002884000-memory.dmp	upx
behavioral1/memory/2600-155-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2932-216-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2932-248-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2600-252-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/952-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2384-257-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/952-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2384-260-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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 304 set thread context of 2600	304	3680dab7a6c71c0451244780836bdf30N.exe	31
PID 2932 set thread context of 952	2932	csrsll.exe	36
PID 2932 set thread context of 2384	2932	csrsll.exe	37

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	3680dab7a6c71c0451244780836bdf30N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3680dab7a6c71c0451244780836bdf30N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
304	3680dab7a6c71c0451244780836bdf30N.exe
2600	3680dab7a6c71c0451244780836bdf30N.exe
2932	csrsll.exe
952	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 304 wrote to memory of 2600	304	3680dab7a6c71c0451244780836bdf30N.exe	31
PID 304 wrote to memory of 2600	304	3680dab7a6c71c0451244780836bdf30N.exe	31
PID 304 wrote to memory of 2600	304	3680dab7a6c71c0451244780836bdf30N.exe	31
PID 304 wrote to memory of 2600	304	3680dab7a6c71c0451244780836bdf30N.exe	31
PID 304 wrote to memory of 2600	304	3680dab7a6c71c0451244780836bdf30N.exe	31
PID 304 wrote to memory of 2600	304	3680dab7a6c71c0451244780836bdf30N.exe	31
PID 304 wrote to memory of 2600	304	3680dab7a6c71c0451244780836bdf30N.exe	31
PID 304 wrote to memory of 2600	304	3680dab7a6c71c0451244780836bdf30N.exe	31
PID 2600 wrote to memory of 2904	2600	3680dab7a6c71c0451244780836bdf30N.exe	32
PID 2600 wrote to memory of 2904	2600	3680dab7a6c71c0451244780836bdf30N.exe	32
PID 2600 wrote to memory of 2904	2600	3680dab7a6c71c0451244780836bdf30N.exe	32
PID 2600 wrote to memory of 2904	2600	3680dab7a6c71c0451244780836bdf30N.exe	32
PID 2904 wrote to memory of 2912	2904	cmd.exe	34
PID 2904 wrote to memory of 2912	2904	cmd.exe	34
PID 2904 wrote to memory of 2912	2904	cmd.exe	34
PID 2904 wrote to memory of 2912	2904	cmd.exe	34
PID 2600 wrote to memory of 2932	2600	3680dab7a6c71c0451244780836bdf30N.exe	35
PID 2600 wrote to memory of 2932	2600	3680dab7a6c71c0451244780836bdf30N.exe	35
PID 2600 wrote to memory of 2932	2600	3680dab7a6c71c0451244780836bdf30N.exe	35
PID 2600 wrote to memory of 2932	2600	3680dab7a6c71c0451244780836bdf30N.exe	35
PID 2932 wrote to memory of 952	2932	csrsll.exe	36
PID 2932 wrote to memory of 952	2932	csrsll.exe	36
PID 2932 wrote to memory of 952	2932	csrsll.exe	36
PID 2932 wrote to memory of 952	2932	csrsll.exe	36
PID 2932 wrote to memory of 952	2932	csrsll.exe	36
PID 2932 wrote to memory of 952	2932	csrsll.exe	36
PID 2932 wrote to memory of 952	2932	csrsll.exe	36
PID 2932 wrote to memory of 952	2932	csrsll.exe	36
PID 2932 wrote to memory of 2384	2932	csrsll.exe	37
PID 2932 wrote to memory of 2384	2932	csrsll.exe	37
PID 2932 wrote to memory of 2384	2932	csrsll.exe	37
PID 2932 wrote to memory of 2384	2932	csrsll.exe	37
PID 2932 wrote to memory of 2384	2932	csrsll.exe	37
PID 2932 wrote to memory of 2384	2932	csrsll.exe	37
PID 2932 wrote to memory of 2384	2932	csrsll.exe	37
PID 2932 wrote to memory of 2384	2932	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\3680dab7a6c71c0451244780836bdf30N.exe
"C:\Users\Admin\AppData\Local\Temp\3680dab7a6c71c0451244780836bdf30N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:304
- C:\Users\Admin\AppData\Local\Temp\3680dab7a6c71c0451244780836bdf30N.exe
  "C:\Users\Admin\AppData\Local\Temp\3680dab7a6c71c0451244780836bdf30N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\DPQLJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2904
  - - 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:2912
- - 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:2932
  - - 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:952
  - - 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:2384

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\DPQLJ.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
0aca4471b76c9a4559b603baec7ee7aa

SHA1
642b18dfda0feb2c4130a45145c82526f1bff294

SHA256
6d26c034c2d6d78f96d23fed55ea35734e2f7342653c9c5ed5249b5a22d5d512

SHA512
0024316caede3f11d0593368b954a1c604ca866ac006857098cb48265bfd0d1dcfa417eb3948a3e8023c1b5431a1646039b27f21e8d129883ab9303c6b66c45f

Download Submit
memory/304-85-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/304-80-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/304-28-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/304-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/304-90-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/304-40-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/304-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/304-106-0x0000000002750000-0x00000000027A4000-memory.dmp

Filesize
336KB

Download
memory/304-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/304-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/304-78-0x0000000001DD0000-0x0000000001DD2000-memory.dmp

Filesize
8KB

Download
memory/304-70-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

Filesize
4KB

Download
memory/304-60-0x0000000001D80000-0x0000000001D81000-memory.dmp

Filesize
4KB

Download
memory/304-105-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/304-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/304-102-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/952-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/952-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2384-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2600-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-147-0x0000000002830000-0x0000000002884000-memory.dmp

Filesize
336KB

Download
memory/2600-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-150-0x0000000002830000-0x0000000002884000-memory.dmp

Filesize
336KB

Download
memory/2600-149-0x0000000002830000-0x0000000002884000-memory.dmp

Filesize
336KB

Download
memory/2600-148-0x0000000002830000-0x0000000002884000-memory.dmp

Filesize
336KB

Download
memory/2600-252-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-146-0x0000000002830000-0x0000000002884000-memory.dmp

Filesize
336KB

Download
memory/2600-155-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-213-0x0000000002830000-0x0000000002884000-memory.dmp

Filesize
336KB

Download
memory/2600-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2932-158-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2932-248-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2932-168-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2932-179-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2932-187-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2932-216-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2932-152-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads