modiloader | 21d3d258f3901c48f25a0746458fce249c850613c7e70aa3e4a180194e057954

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 21:29

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General

Target

24d11b084104f150debee056179f5820N.exe
Size

90KB
MD5

24d11b084104f150debee056179f5820
SHA1

3d7199748e6eb8b51976cc70795a56987780a42b
SHA256

21d3d258f3901c48f25a0746458fce249c850613c7e70aa3e4a180194e057954
SHA512

b21f804e640fd44e47f8fdb342273330432a9a57b7f5b8062cea3d7353437bb0a0b181c17a60e375e6c8650b866b49e2efcfa949a01e92cc991341b5255cc452
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 2 IoCs

resource	yara_rule
behavioral1/memory/2824-255-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2824-256-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2016	csrsll.exe
1096	csrsll.exe
2824	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2624	24d11b084104f150debee056179f5820N.exe
2624	24d11b084104f150debee056179f5820N.exe
2624	24d11b084104f150debee056179f5820N.exe
2624	24d11b084104f150debee056179f5820N.exe
2624	24d11b084104f150debee056179f5820N.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2148-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2148-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2624-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2624-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2624-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2148-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2148-85-0x0000000000090000-0x0000000000190000-memory.dmp	upx
behavioral1/memory/2148-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2624-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2624-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2624-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000900000001613e-129.dat	upx
behavioral1/memory/2624-131-0x0000000002760000-0x00000000027B3000-memory.dmp	upx
behavioral1/memory/2016-148-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2624-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2016-209-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2624-252-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2824-255-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2016-249-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2824-256-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1096-257-0x0000000000400000-0x000000000040B000-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-1-5-21-1488793075-819845221-1497111674-1000\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 2148 set thread context of 2624	2148	24d11b084104f150debee056179f5820N.exe	31
PID 2016 set thread context of 1096	2016	csrsll.exe	36
PID 2016 set thread context of 2824	2016	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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24d11b084104f150debee056179f5820N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24d11b084104f150debee056179f5820N.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	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe
Token: SeDebugPrivilege	1096	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2148	24d11b084104f150debee056179f5820N.exe
2624	24d11b084104f150debee056179f5820N.exe
2016	csrsll.exe
1096	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2624	2148	24d11b084104f150debee056179f5820N.exe	31
PID 2148 wrote to memory of 2624	2148	24d11b084104f150debee056179f5820N.exe	31
PID 2148 wrote to memory of 2624	2148	24d11b084104f150debee056179f5820N.exe	31
PID 2148 wrote to memory of 2624	2148	24d11b084104f150debee056179f5820N.exe	31
PID 2148 wrote to memory of 2624	2148	24d11b084104f150debee056179f5820N.exe	31
PID 2148 wrote to memory of 2624	2148	24d11b084104f150debee056179f5820N.exe	31
PID 2148 wrote to memory of 2624	2148	24d11b084104f150debee056179f5820N.exe	31
PID 2148 wrote to memory of 2624	2148	24d11b084104f150debee056179f5820N.exe	31
PID 2624 wrote to memory of 600	2624	24d11b084104f150debee056179f5820N.exe	32
PID 2624 wrote to memory of 600	2624	24d11b084104f150debee056179f5820N.exe	32
PID 2624 wrote to memory of 600	2624	24d11b084104f150debee056179f5820N.exe	32
PID 2624 wrote to memory of 600	2624	24d11b084104f150debee056179f5820N.exe	32
PID 600 wrote to memory of 788	600	cmd.exe	34
PID 600 wrote to memory of 788	600	cmd.exe	34
PID 600 wrote to memory of 788	600	cmd.exe	34
PID 600 wrote to memory of 788	600	cmd.exe	34
PID 2624 wrote to memory of 2016	2624	24d11b084104f150debee056179f5820N.exe	35
PID 2624 wrote to memory of 2016	2624	24d11b084104f150debee056179f5820N.exe	35
PID 2624 wrote to memory of 2016	2624	24d11b084104f150debee056179f5820N.exe	35
PID 2624 wrote to memory of 2016	2624	24d11b084104f150debee056179f5820N.exe	35
PID 2016 wrote to memory of 1096	2016	csrsll.exe	36
PID 2016 wrote to memory of 1096	2016	csrsll.exe	36
PID 2016 wrote to memory of 1096	2016	csrsll.exe	36
PID 2016 wrote to memory of 1096	2016	csrsll.exe	36
PID 2016 wrote to memory of 1096	2016	csrsll.exe	36
PID 2016 wrote to memory of 1096	2016	csrsll.exe	36
PID 2016 wrote to memory of 1096	2016	csrsll.exe	36
PID 2016 wrote to memory of 1096	2016	csrsll.exe	36
PID 2016 wrote to memory of 2824	2016	csrsll.exe	37
PID 2016 wrote to memory of 2824	2016	csrsll.exe	37
PID 2016 wrote to memory of 2824	2016	csrsll.exe	37
PID 2016 wrote to memory of 2824	2016	csrsll.exe	37
PID 2016 wrote to memory of 2824	2016	csrsll.exe	37
PID 2016 wrote to memory of 2824	2016	csrsll.exe	37
PID 2016 wrote to memory of 2824	2016	csrsll.exe	37
PID 2016 wrote to memory of 2824	2016	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\24d11b084104f150debee056179f5820N.exe
"C:\Users\Admin\AppData\Local\Temp\24d11b084104f150debee056179f5820N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\24d11b084104f150debee056179f5820N.exe
  "C:\Users\Admin\AppData\Local\Temp\24d11b084104f150debee056179f5820N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NEDOL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:600
  - - 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:788
- - 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: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
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1096
  - - 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:2824

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\NEDOL.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0e006a992139d22ee50379e124dda9c1

SHA1
ec009472d78f873da545d15cd0ac9fa526235443

SHA256
652dcd2ceddae0e1813285a188be2c8bf01341e1cbe9e97e511e36139932b485

SHA512
61b1eece0c5e024820e7a645c2221b7782864114873eb061ffc384f81a547e6393f72b254007480249478d795fd93c1537b90372a797c2782ea1ffa87c21a8b4

Download Submit
memory/1096-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2016-148-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2016-154-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2016-209-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2016-175-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2016-164-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2016-249-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2148-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2148-86-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2148-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2148-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2148-71-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/2148-79-0x0000000000610000-0x0000000000612000-memory.dmp

Filesize
8KB

Download
memory/2148-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2148-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2148-85-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2148-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2148-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2148-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2148-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2148-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2148-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2624-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-146-0x0000000002760000-0x00000000027B3000-memory.dmp

Filesize
332KB

Download
memory/2624-145-0x0000000002760000-0x00000000027B3000-memory.dmp

Filesize
332KB

Download
memory/2624-144-0x0000000002760000-0x00000000027B3000-memory.dmp

Filesize
332KB

Download
memory/2624-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-131-0x0000000002760000-0x00000000027B3000-memory.dmp

Filesize
332KB

Download
memory/2624-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-252-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-246-0x0000000002760000-0x00000000027B3000-memory.dmp

Filesize
332KB

Download
memory/2624-244-0x0000000002760000-0x00000000027B3000-memory.dmp

Filesize
332KB

Download
memory/2824-256-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2824-255-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads