modiloader | b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 01:38

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General

Target

b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe
Size

90KB
MD5

8b7c8d4535feed82000b813e60b3bc35
SHA1

5821e125c96f8832bc5cd8cb577f22f373f73c52
SHA256

b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43
SHA512

311bf28239576afd6237728e09f0157a5cd72cf677b283da2c6f9fcd53d3ee58e4c9042984365fa3f6d30bc6ffb3a68c6bcff896f9183e6cd2f1b2a9c0b1c475
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 Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/1820-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
808	csrsll.exe
912	csrsll.exe
1820	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe
2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe
2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe
2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe
2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2496-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2384-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2384-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2384-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2384-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2384-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2496-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2384-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2384-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2496-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2496-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2496-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2496-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2496-31-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000e00000001226b-151.dat	upx
behavioral1/memory/2384-135-0x0000000002590000-0x00000000025E3000-memory.dmp	upx
behavioral1/memory/2384-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/808-244-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1820-255-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2384-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/808-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/912-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1820-262-0x0000000000400000-0x0000000000414000-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-1-5-21-1846800975-3917212583-2893086201-1000\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 2496 set thread context of 2384	2496	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	30
PID 808 set thread context of 912	808	csrsll.exe	35
PID 808 set thread context of 1820	808	csrsll.exe	36

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	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.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	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe
Token: SeDebugPrivilege	912	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2496	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe
2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe
808	csrsll.exe
912	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2384	2496	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	30
PID 2496 wrote to memory of 2384	2496	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	30
PID 2496 wrote to memory of 2384	2496	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	30
PID 2496 wrote to memory of 2384	2496	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	30
PID 2496 wrote to memory of 2384	2496	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	30
PID 2496 wrote to memory of 2384	2496	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	30
PID 2496 wrote to memory of 2384	2496	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	30
PID 2496 wrote to memory of 2384	2496	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	30
PID 2384 wrote to memory of 2864	2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	31
PID 2384 wrote to memory of 2864	2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	31
PID 2384 wrote to memory of 2864	2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	31
PID 2384 wrote to memory of 2864	2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	31
PID 2864 wrote to memory of 1144	2864	cmd.exe	33
PID 2864 wrote to memory of 1144	2864	cmd.exe	33
PID 2864 wrote to memory of 1144	2864	cmd.exe	33
PID 2864 wrote to memory of 1144	2864	cmd.exe	33
PID 2384 wrote to memory of 808	2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	34
PID 2384 wrote to memory of 808	2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	34
PID 2384 wrote to memory of 808	2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	34
PID 2384 wrote to memory of 808	2384	b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe	34
PID 808 wrote to memory of 912	808	csrsll.exe	35
PID 808 wrote to memory of 912	808	csrsll.exe	35
PID 808 wrote to memory of 912	808	csrsll.exe	35
PID 808 wrote to memory of 912	808	csrsll.exe	35
PID 808 wrote to memory of 912	808	csrsll.exe	35
PID 808 wrote to memory of 912	808	csrsll.exe	35
PID 808 wrote to memory of 912	808	csrsll.exe	35
PID 808 wrote to memory of 912	808	csrsll.exe	35
PID 808 wrote to memory of 1820	808	csrsll.exe	36
PID 808 wrote to memory of 1820	808	csrsll.exe	36
PID 808 wrote to memory of 1820	808	csrsll.exe	36
PID 808 wrote to memory of 1820	808	csrsll.exe	36
PID 808 wrote to memory of 1820	808	csrsll.exe	36
PID 808 wrote to memory of 1820	808	csrsll.exe	36
PID 808 wrote to memory of 1820	808	csrsll.exe	36
PID 808 wrote to memory of 1820	808	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe
"C:\Users\Admin\AppData\Local\Temp\b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe
  "C:\Users\Admin\AppData\Local\Temp\b726dcd75b9c175d613e48dc07e7337d291c38bd96861928f247273b21470d43.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\TSENE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2864
  - - 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:1144
- - 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:808
  - - 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:912
  - - 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:1820

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\TSENE.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
657ab90de665670a52c8c3a015b8d3ab

SHA1
d614308545ddb0dea723c0ff1db5483078b0098c

SHA256
adf79b571628b1c01b471061284fe03272d2137b5df3922067894c12b43866ea

SHA512
a27626ed472f868dc609e606c50b65ae50764e29a57e0eac608157326ba9fef12d58fd3fce3b621a62d1e5de2a3eac229ddb9d78807219d4af51021079168500

Download Submit
memory/808-167-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/808-178-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/808-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/808-244-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/808-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/912-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1820-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1820-255-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2384-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-222-0x0000000002590000-0x00000000025E3000-memory.dmp

Filesize
332KB

Download
memory/2384-218-0x0000000002590000-0x00000000025E3000-memory.dmp

Filesize
332KB

Download
memory/2384-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-148-0x0000000002590000-0x00000000025E3000-memory.dmp

Filesize
332KB

Download
memory/2384-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-135-0x0000000002590000-0x00000000025E3000-memory.dmp

Filesize
332KB

Download
memory/2384-150-0x0000000002590000-0x00000000025E3000-memory.dmp

Filesize
332KB

Download
memory/2384-149-0x0000000002590000-0x00000000025E3000-memory.dmp

Filesize
332KB

Download
memory/2496-61-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/2496-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-15-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2496-23-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2496-28-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/2496-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-31-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-41-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/2496-71-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/2496-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-80-0x0000000000850000-0x0000000000852000-memory.dmp

Filesize
8KB

Download
memory/2496-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2496-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2496-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads