modiloader | b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69

Analysis

max time kernel
119s
max time network
28s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 08:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
Size

90KB
MD5

3ce148c87039e2357ac0cc0a113614a0
SHA1

4dff5c6c7f04f2a62d21922071e431f092aa8525
SHA256

b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69
SHA512

e654cdbf8adc01a24453644ad8cb77c07cff5229d226b9ab2810605a151363c5ef4f0362ecfc5b1bbe92d56fda25a84cc37657777434593c6695129c15c5ac3e
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 2 IoCs

resource	yara_rule
behavioral1/memory/1472-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1472-269-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1924	csrsll.exe
2156	csrsll.exe
1472	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.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-1-5-21-3692679935-4019334568-335155002-1000\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 2876 set thread context of 684	2876	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	30
PID 1924 set thread context of 2156	1924	csrsll.exe	35
PID 1924 set thread context of 1472	1924	csrsll.exe	36

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2876-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2876-25-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2876-27-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2876-87-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/684-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/684-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/684-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2876-108-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/684-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/684-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/684-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0009000000019515-133.dat	upx
behavioral1/memory/684-148-0x0000000002A10000-0x0000000002A63000-memory.dmp	upx
behavioral1/memory/684-135-0x0000000002A10000-0x0000000002A63000-memory.dmp	upx
behavioral1/memory/1924-153-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/684-156-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1924-163-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1924-185-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1472-260-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1924-262-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/684-265-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2156-266-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1472-269-0x0000000000400000-0x0000000000414000-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	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.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 63 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe
Token: SeDebugPrivilege	2156	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2876	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
1924	csrsll.exe
2156	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 684	2876	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	30
PID 2876 wrote to memory of 684	2876	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	30
PID 2876 wrote to memory of 684	2876	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	30
PID 2876 wrote to memory of 684	2876	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	30
PID 2876 wrote to memory of 684	2876	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	30
PID 2876 wrote to memory of 684	2876	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	30
PID 2876 wrote to memory of 684	2876	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	30
PID 2876 wrote to memory of 684	2876	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	30
PID 684 wrote to memory of 876	684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	31
PID 684 wrote to memory of 876	684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	31
PID 684 wrote to memory of 876	684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	31
PID 684 wrote to memory of 876	684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	31
PID 876 wrote to memory of 2680	876	cmd.exe	33
PID 876 wrote to memory of 2680	876	cmd.exe	33
PID 876 wrote to memory of 2680	876	cmd.exe	33
PID 876 wrote to memory of 2680	876	cmd.exe	33
PID 684 wrote to memory of 1924	684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	34
PID 684 wrote to memory of 1924	684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	34
PID 684 wrote to memory of 1924	684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	34
PID 684 wrote to memory of 1924	684	b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe	34
PID 1924 wrote to memory of 2156	1924	csrsll.exe	35
PID 1924 wrote to memory of 2156	1924	csrsll.exe	35
PID 1924 wrote to memory of 2156	1924	csrsll.exe	35
PID 1924 wrote to memory of 2156	1924	csrsll.exe	35
PID 1924 wrote to memory of 2156	1924	csrsll.exe	35
PID 1924 wrote to memory of 2156	1924	csrsll.exe	35
PID 1924 wrote to memory of 2156	1924	csrsll.exe	35
PID 1924 wrote to memory of 2156	1924	csrsll.exe	35
PID 1924 wrote to memory of 1472	1924	csrsll.exe	36
PID 1924 wrote to memory of 1472	1924	csrsll.exe	36
PID 1924 wrote to memory of 1472	1924	csrsll.exe	36
PID 1924 wrote to memory of 1472	1924	csrsll.exe	36
PID 1924 wrote to memory of 1472	1924	csrsll.exe	36
PID 1924 wrote to memory of 1472	1924	csrsll.exe	36
PID 1924 wrote to memory of 1472	1924	csrsll.exe	36
PID 1924 wrote to memory of 1472	1924	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
"C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe
  "C:\Users\Admin\AppData\Local\Temp\b62f5a41417319a6868bc93023584a208041110b81f262330f626f9c2d15fc69N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:684
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\EIDLW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:876
  - - 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:2680
- - 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:1924
  - - 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:2156
  - - 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:1472

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\EIDLW.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3ca28c1d5ffb36ef991cda295a9d816b

SHA1
9f1277cbe59ce5b933620e56322391316324da97

SHA256
cf844802c52b9bf5e23d00fc7445d4cad54522a4242b68e1c4df4fc439555cc5

SHA512
578396f1dde57ae892d22020801819f217e644573c262db575b17f19a4ac0a901cf0693967bcce987106d0aca52465c304d37ce787354db7107a68b103348454

Download Submit
memory/684-160-0x0000000002A10000-0x0000000002A63000-memory.dmp

Filesize
332KB

Download
memory/684-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/684-135-0x0000000002A10000-0x0000000002A63000-memory.dmp

Filesize
332KB

Download
memory/684-148-0x0000000002A10000-0x0000000002A63000-memory.dmp

Filesize
332KB

Download
memory/684-265-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/684-149-0x0000000002A10000-0x0000000002A63000-memory.dmp

Filesize
332KB

Download
memory/684-150-0x0000000002A10000-0x0000000002A63000-memory.dmp

Filesize
332KB

Download
memory/684-151-0x0000000002A10000-0x0000000002A63000-memory.dmp

Filesize
332KB

Download
memory/684-156-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/684-161-0x0000000002A10000-0x0000000002A63000-memory.dmp

Filesize
332KB

Download
memory/684-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/684-159-0x0000000002A10000-0x0000000002A63000-memory.dmp

Filesize
332KB

Download
memory/684-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/684-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/684-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/684-158-0x0000000002A10000-0x0000000002A63000-memory.dmp

Filesize
332KB

Download
memory/684-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/684-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/684-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1472-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1472-269-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1924-163-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1924-166-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1924-176-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1924-185-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1924-188-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1924-262-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1924-153-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2156-266-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2876-27-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2876-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2876-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2876-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2876-108-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2876-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2876-92-0x0000000002790000-0x00000000027E3000-memory.dmp

Filesize
332KB

Download
memory/2876-30-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2876-42-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2876-62-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2876-80-0x0000000000470000-0x0000000000472000-memory.dmp

Filesize
8KB

Download
memory/2876-72-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2876-26-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2876-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2876-25-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads