modiloader | 72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 02:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe
Size

90KB
MD5

429d04548758a6742d96fae1a086059f
SHA1

2356d3cbcce1d1c888c12867660381c8730336e4
SHA256

72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640
SHA512

3c33a89961cd9e67660fc8bd0bd4280aca94dc5076d9c716f03dade917fa7218879fa3a40d1eb63df95fad9be02e95e01dc2bf461d906af7f204f08b254aba8d
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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/480-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1320	csrsll.exe
2016	csrsll.exe
480	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe
2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe
2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe
2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe
2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.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-1-5-21-3533259084-2542256011-65585152-1000\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 2376 set thread context of 2660	2376	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	30
PID 1320 set thread context of 2016	1320	csrsll.exe	35
PID 1320 set thread context of 480	1320	csrsll.exe	36

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2376-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2376-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2376-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2376-96-0x0000000002530000-0x0000000002583000-memory.dmp	upx
behavioral1/memory/2660-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2660-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2660-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2660-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2660-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2376-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2660-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000b00000001225a-138.dat	upx
behavioral1/memory/1320-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2660-145-0x0000000003510000-0x0000000003563000-memory.dmp	upx
behavioral1/memory/2660-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1320-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2660-211-0x0000000003510000-0x0000000003563000-memory.dmp	upx
behavioral1/memory/480-251-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1320-255-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2660-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2016-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/480-262-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe
Token: SeDebugPrivilege	2016	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2376	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe
2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe
1320	csrsll.exe
2016	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2660	2376	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	30
PID 2376 wrote to memory of 2660	2376	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	30
PID 2376 wrote to memory of 2660	2376	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	30
PID 2376 wrote to memory of 2660	2376	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	30
PID 2376 wrote to memory of 2660	2376	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	30
PID 2376 wrote to memory of 2660	2376	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	30
PID 2376 wrote to memory of 2660	2376	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	30
PID 2376 wrote to memory of 2660	2376	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	30
PID 2660 wrote to memory of 1304	2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	31
PID 2660 wrote to memory of 1304	2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	31
PID 2660 wrote to memory of 1304	2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	31
PID 2660 wrote to memory of 1304	2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	31
PID 1304 wrote to memory of 2988	1304	cmd.exe	33
PID 1304 wrote to memory of 2988	1304	cmd.exe	33
PID 1304 wrote to memory of 2988	1304	cmd.exe	33
PID 1304 wrote to memory of 2988	1304	cmd.exe	33
PID 2660 wrote to memory of 1320	2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	34
PID 2660 wrote to memory of 1320	2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	34
PID 2660 wrote to memory of 1320	2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	34
PID 2660 wrote to memory of 1320	2660	72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe	34
PID 1320 wrote to memory of 2016	1320	csrsll.exe	35
PID 1320 wrote to memory of 2016	1320	csrsll.exe	35
PID 1320 wrote to memory of 2016	1320	csrsll.exe	35
PID 1320 wrote to memory of 2016	1320	csrsll.exe	35
PID 1320 wrote to memory of 2016	1320	csrsll.exe	35
PID 1320 wrote to memory of 2016	1320	csrsll.exe	35
PID 1320 wrote to memory of 2016	1320	csrsll.exe	35
PID 1320 wrote to memory of 2016	1320	csrsll.exe	35
PID 1320 wrote to memory of 480	1320	csrsll.exe	36
PID 1320 wrote to memory of 480	1320	csrsll.exe	36
PID 1320 wrote to memory of 480	1320	csrsll.exe	36
PID 1320 wrote to memory of 480	1320	csrsll.exe	36
PID 1320 wrote to memory of 480	1320	csrsll.exe	36
PID 1320 wrote to memory of 480	1320	csrsll.exe	36
PID 1320 wrote to memory of 480	1320	csrsll.exe	36
PID 1320 wrote to memory of 480	1320	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe
"C:\Users\Admin\AppData\Local\Temp\72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe
  "C:\Users\Admin\AppData\Local\Temp\72c8cbdabd25c283b8be4333c4513e3edfbe5edd488744ff9f010ed13a780640.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2660
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\WTCCO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1304
  - - 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:2988
- - 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:1320
  - - 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:2016
  - - 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:480

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\WTCCO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
31f416af882d526e62fe35e7dc3a9614

SHA1
12380bb8d1520902f96a24b7edea181c42478186

SHA256
d8caf8558d2051eefe6c494ff028efe9b3b5297885d9589c7b49e268eeee3d21

SHA512
0b232c785b0deea6347d664122f80c2287f46567a2be1d5e77b1dc960423a0fd3fbbb7e7e63557b7854d9f36410f22136b6ba76361127302217a4a6ceb5c3a45

Download Submit
memory/480-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/480-251-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1320-255-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1320-166-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1320-177-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1320-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1320-156-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1320-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2016-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2376-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2376-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2376-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2376-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2376-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2376-16-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2376-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2376-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/2376-96-0x0000000002530000-0x0000000002583000-memory.dmp

Filesize
332KB

Download
memory/2376-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2376-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2376-79-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/2376-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2376-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2660-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-146-0x0000000003510000-0x0000000003563000-memory.dmp

Filesize
332KB

Download
memory/2660-145-0x0000000003510000-0x0000000003563000-memory.dmp

Filesize
332KB

Download
memory/2660-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-148-0x0000000003510000-0x0000000003563000-memory.dmp

Filesize
332KB

Download
memory/2660-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-211-0x0000000003510000-0x0000000003563000-memory.dmp

Filesize
332KB

Download
memory/2660-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-147-0x0000000003510000-0x0000000003563000-memory.dmp

Filesize
332KB

Download
memory/2660-232-0x0000000003510000-0x0000000003563000-memory.dmp

Filesize
332KB

Download
memory/2660-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-250-0x0000000003510000-0x0000000003563000-memory.dmp

Filesize
332KB

Download
memory/2660-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2660-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads