modiloader | 3737173bcc98e3de6262ebb491c4fec9066088a7ae25ae571dae00c8f565f63b

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 12:54

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General

Target

2593e3759baf1eeeb6fd80bde52b0020N.exe
Size

326KB
MD5

2593e3759baf1eeeb6fd80bde52b0020
SHA1

c7f0b4a1e6edc2680514ec3ccdceccb7490ebd2e
SHA256

3737173bcc98e3de6262ebb491c4fec9066088a7ae25ae571dae00c8f565f63b
SHA512

ab5662ee15e89154a6941f56114d53142dbee326c10a498c274ad37dc076bf14647d52ac405a51c158e961060f66320f8d21ebf3b25f375acc8373e2e6188877
SSDEEP

3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+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/820-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/820-267-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1704	csrsll.exe
3012	csrsll.exe
820	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
320	2593e3759baf1eeeb6fd80bde52b0020N.exe
320	2593e3759baf1eeeb6fd80bde52b0020N.exe
320	2593e3759baf1eeeb6fd80bde52b0020N.exe
320	2593e3759baf1eeeb6fd80bde52b0020N.exe
320	2593e3759baf1eeeb6fd80bde52b0020N.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2184-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2184-94-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2184-93-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/320-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/320-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/320-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2184-112-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/320-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/320-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/320-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2184-88-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2184-83-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2184-80-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2184-79-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2184-67-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/320-137-0x00000000034F0000-0x0000000003544000-memory.dmp	upx
behavioral1/files/0x0008000000012117-135.dat	upx
behavioral1/memory/320-157-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1704-221-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/820-259-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/320-263-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1704-260-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1704-258-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/3012-264-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/820-267-0x0000000000400000-0x0000000000414000-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-1-5-21-3063565911-2056067323-3330884624-1000\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 2184 set thread context of 320	2184	2593e3759baf1eeeb6fd80bde52b0020N.exe	28
PID 1704 set thread context of 3012	1704	csrsll.exe	33
PID 1704 set thread context of 820	1704	csrsll.exe	34

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	2593e3759baf1eeeb6fd80bde52b0020N.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	2593e3759baf1eeeb6fd80bde52b0020N.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
2184	2593e3759baf1eeeb6fd80bde52b0020N.exe
320	2593e3759baf1eeeb6fd80bde52b0020N.exe
1704	csrsll.exe
3012	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 320	2184	2593e3759baf1eeeb6fd80bde52b0020N.exe	28
PID 2184 wrote to memory of 320	2184	2593e3759baf1eeeb6fd80bde52b0020N.exe	28
PID 2184 wrote to memory of 320	2184	2593e3759baf1eeeb6fd80bde52b0020N.exe	28
PID 2184 wrote to memory of 320	2184	2593e3759baf1eeeb6fd80bde52b0020N.exe	28
PID 2184 wrote to memory of 320	2184	2593e3759baf1eeeb6fd80bde52b0020N.exe	28
PID 2184 wrote to memory of 320	2184	2593e3759baf1eeeb6fd80bde52b0020N.exe	28
PID 2184 wrote to memory of 320	2184	2593e3759baf1eeeb6fd80bde52b0020N.exe	28
PID 2184 wrote to memory of 320	2184	2593e3759baf1eeeb6fd80bde52b0020N.exe	28
PID 320 wrote to memory of 2772	320	2593e3759baf1eeeb6fd80bde52b0020N.exe	29
PID 320 wrote to memory of 2772	320	2593e3759baf1eeeb6fd80bde52b0020N.exe	29
PID 320 wrote to memory of 2772	320	2593e3759baf1eeeb6fd80bde52b0020N.exe	29
PID 320 wrote to memory of 2772	320	2593e3759baf1eeeb6fd80bde52b0020N.exe	29
PID 2772 wrote to memory of 2012	2772	cmd.exe	31
PID 2772 wrote to memory of 2012	2772	cmd.exe	31
PID 2772 wrote to memory of 2012	2772	cmd.exe	31
PID 2772 wrote to memory of 2012	2772	cmd.exe	31
PID 320 wrote to memory of 1704	320	2593e3759baf1eeeb6fd80bde52b0020N.exe	32
PID 320 wrote to memory of 1704	320	2593e3759baf1eeeb6fd80bde52b0020N.exe	32
PID 320 wrote to memory of 1704	320	2593e3759baf1eeeb6fd80bde52b0020N.exe	32
PID 320 wrote to memory of 1704	320	2593e3759baf1eeeb6fd80bde52b0020N.exe	32
PID 1704 wrote to memory of 3012	1704	csrsll.exe	33
PID 1704 wrote to memory of 3012	1704	csrsll.exe	33
PID 1704 wrote to memory of 3012	1704	csrsll.exe	33
PID 1704 wrote to memory of 3012	1704	csrsll.exe	33
PID 1704 wrote to memory of 3012	1704	csrsll.exe	33
PID 1704 wrote to memory of 3012	1704	csrsll.exe	33
PID 1704 wrote to memory of 3012	1704	csrsll.exe	33
PID 1704 wrote to memory of 3012	1704	csrsll.exe	33
PID 1704 wrote to memory of 820	1704	csrsll.exe	34
PID 1704 wrote to memory of 820	1704	csrsll.exe	34
PID 1704 wrote to memory of 820	1704	csrsll.exe	34
PID 1704 wrote to memory of 820	1704	csrsll.exe	34
PID 1704 wrote to memory of 820	1704	csrsll.exe	34
PID 1704 wrote to memory of 820	1704	csrsll.exe	34
PID 1704 wrote to memory of 820	1704	csrsll.exe	34
PID 1704 wrote to memory of 820	1704	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\2593e3759baf1eeeb6fd80bde52b0020N.exe
"C:\Users\Admin\AppData\Local\Temp\2593e3759baf1eeeb6fd80bde52b0020N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\2593e3759baf1eeeb6fd80bde52b0020N.exe
  "C:\Users\Admin\AppData\Local\Temp\2593e3759baf1eeeb6fd80bde52b0020N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:320
- - 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:2772
  - - 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:2012
- - 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:1704
  - - 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:820

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\NINJK.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
a45f32548f193a1fc6dc2388c5c68deb

SHA1
369327f7562041744dae18f0c63e8b7f205140cd

SHA256
33085e387809b0be920f1ef466b6e443c8b35ae98bfe9c3c3618f1a0395f96e2

SHA512
aafb886ac8c974fc1cc632ec0cc6d8baf41517cce4a4df6f8678376ee11bef00b92cb586cab9f69f0ac287d3739f6924be17d4565773b1a37836624aa77ad899

Download Submit
memory/320-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-215-0x00000000034F0000-0x0000000003544000-memory.dmp

Filesize
336KB

Download
memory/320-216-0x00000000034F0000-0x0000000003544000-memory.dmp

Filesize
336KB

Download
memory/320-219-0x00000000034F0000-0x0000000003544000-memory.dmp

Filesize
336KB

Download
memory/320-220-0x00000000034F0000-0x0000000003544000-memory.dmp

Filesize
336KB

Download
memory/320-157-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-150-0x00000000034F0000-0x0000000003544000-memory.dmp

Filesize
336KB

Download
memory/320-263-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-102-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/320-137-0x00000000034F0000-0x0000000003544000-memory.dmp

Filesize
336KB

Download
memory/320-151-0x00000000034F0000-0x0000000003544000-memory.dmp

Filesize
336KB

Download
memory/320-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/320-152-0x00000000034F0000-0x0000000003544000-memory.dmp

Filesize
336KB

Download
memory/320-153-0x00000000034F0000-0x0000000003544000-memory.dmp

Filesize
336KB

Download
memory/820-267-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/820-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-170-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/1704-160-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1704-258-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1704-260-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1704-181-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1704-189-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/1704-221-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2184-88-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2184-40-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2184-112-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2184-93-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2184-94-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2184-79-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2184-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2184-83-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2184-71-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/2184-95-0x0000000002800000-0x0000000002854000-memory.dmp

Filesize
336KB

Download
memory/2184-28-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2184-23-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2184-81-0x0000000000500000-0x0000000000502000-memory.dmp

Filesize
8KB

Download
memory/2184-80-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2184-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2184-3-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2184-60-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2184-67-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2184-5-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/3012-264-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads