modiloader | a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25

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
31-12-2024 02:43

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General

Target

a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
Size

326KB
MD5

a169bc7115209e104478f529455cda50
SHA1

d2d2debc4d9bfc2e6abb1d8a5c0adfb992050740
SHA256

a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25
SHA512

964cfe077b15f9b5b269e2a6934fda1591fa92509def381af9f58dc1fea29949cb50b328ab0bf271068f874d9c3c3f33f777c0d4ef74e286454d0852472cdefc
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVF:csxD5cwohO+O1sVG0/pZ6iPC8e

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/1876-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1512	csrsll.exe
3012	csrsll.exe
1876	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.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 1920 set thread context of 2728	1920	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	30
PID 1512 set thread context of 3012	1512	csrsll.exe	36
PID 1512 set thread context of 1876	1512	csrsll.exe	37

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1920-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1920-78-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1920-81-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1920-82-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1920-91-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2728-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2728-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2728-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2728-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2728-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2728-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1920-102-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/files/0x000d000000012254-131.dat	upx
behavioral1/memory/1512-150-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2728-146-0x0000000003160000-0x00000000031B4000-memory.dmp	upx
behavioral1/memory/2728-145-0x0000000003160000-0x00000000031B4000-memory.dmp	upx
behavioral1/memory/2728-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1512-227-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2728-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1512-248-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1876-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/3012-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1876-258-0x0000000000400000-0x0000000000414000-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	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	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe
Token: SeDebugPrivilege	3012	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1920	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
1512	csrsll.exe
3012	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 2728	1920	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	30
PID 1920 wrote to memory of 2728	1920	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	30
PID 1920 wrote to memory of 2728	1920	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	30
PID 1920 wrote to memory of 2728	1920	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	30
PID 1920 wrote to memory of 2728	1920	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	30
PID 1920 wrote to memory of 2728	1920	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	30
PID 1920 wrote to memory of 2728	1920	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	30
PID 1920 wrote to memory of 2728	1920	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	30
PID 2728 wrote to memory of 596	2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	31
PID 2728 wrote to memory of 596	2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	31
PID 2728 wrote to memory of 596	2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	31
PID 2728 wrote to memory of 596	2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	31
PID 596 wrote to memory of 1172	596	cmd.exe	33
PID 596 wrote to memory of 1172	596	cmd.exe	33
PID 596 wrote to memory of 1172	596	cmd.exe	33
PID 596 wrote to memory of 1172	596	cmd.exe	33
PID 2728 wrote to memory of 1512	2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	34
PID 2728 wrote to memory of 1512	2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	34
PID 2728 wrote to memory of 1512	2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	34
PID 2728 wrote to memory of 1512	2728	a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe	34
PID 1512 wrote to memory of 3012	1512	csrsll.exe	36
PID 1512 wrote to memory of 3012	1512	csrsll.exe	36
PID 1512 wrote to memory of 3012	1512	csrsll.exe	36
PID 1512 wrote to memory of 3012	1512	csrsll.exe	36
PID 1512 wrote to memory of 3012	1512	csrsll.exe	36
PID 1512 wrote to memory of 3012	1512	csrsll.exe	36
PID 1512 wrote to memory of 3012	1512	csrsll.exe	36
PID 1512 wrote to memory of 3012	1512	csrsll.exe	36
PID 1512 wrote to memory of 1876	1512	csrsll.exe	37
PID 1512 wrote to memory of 1876	1512	csrsll.exe	37
PID 1512 wrote to memory of 1876	1512	csrsll.exe	37
PID 1512 wrote to memory of 1876	1512	csrsll.exe	37
PID 1512 wrote to memory of 1876	1512	csrsll.exe	37
PID 1512 wrote to memory of 1876	1512	csrsll.exe	37
PID 1512 wrote to memory of 1876	1512	csrsll.exe	37
PID 1512 wrote to memory of 1876	1512	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
"C:\Users\Admin\AppData\Local\Temp\a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Users\Admin\AppData\Local\Temp\a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe
  "C:\Users\Admin\AppData\Local\Temp\a7e18c62ec283f926143c44c212782c9d83164c38a0ae3e8b0f5827893c06e25N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NINJK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:596
  - - 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:1172
- - 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:1512
  - - 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:3012
  - - 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:1876

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\NINJK.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
7468dbfa2042d0ad430e6a512e01b500

SHA1
80a1f087c334588c15fdcfd34826f378fe8fadec

SHA256
9ca1bd64de20815371eb276edbda5c5ddd8478a70b3a2ae81ca8a3401610580f

SHA512
177da01b1f1db5f2e8f1333ca7a833626b6acc34b28bc548d8364d4399c7361972584dd9878c7386eb2ce10310c485693ff177a28fb7437d409c081940d45386

Download Submit
memory/1512-150-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1512-166-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1512-227-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1512-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1512-185-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1512-248-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1512-177-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1876-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1876-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1920-60-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1920-40-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/1920-79-0x0000000000520000-0x0000000000522000-memory.dmp

Filesize
8KB

Download
memory/1920-82-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1920-81-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1920-78-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1920-70-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/1920-91-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1920-28-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/1920-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1920-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1920-102-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1920-15-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1920-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1920-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2728-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-146-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2728-145-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2728-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-148-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2728-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-147-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2728-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-246-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2728-245-0x0000000003160000-0x00000000031B4000-memory.dmp

Filesize
336KB

Download
memory/2728-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3012-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads