Analysis
-
max time kernel
119s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
13-01-2025 09:41
Behavioral task
behavioral1
Sample
aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe
Resource
win10v2004-20241007-en
General
-
Target
aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe
-
Size
90KB
-
MD5
9792a07f9595a831064dc3733fba6b20
-
SHA1
6d41823f1eaf56861ac717dd66aeaaa6857a2961
-
SHA256
aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44a
-
SHA512
4c6aa056631ea0c61028e623b02d4b6c1dc028db5d5d53b63469b0f7f0bcc90f2b90b5aba8639575a1da059064c8157e1f88fca688f8821ccd9daf5a4fa1af1a
-
SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDO:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Q
Malware Config
Signatures
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
Modiloader family
-
ModiLoader Second Stage 2 IoCs
resource yara_rule behavioral1/memory/2600-253-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/2600-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1728 csrsll.exe 2396 csrsll.exe 2600 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\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 2140 set thread context of 2820 2140 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 31 PID 1728 set thread context of 2396 1728 csrsll.exe 36 PID 1728 set thread context of 2600 1728 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2140-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2140-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2140-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2140-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2140-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2820-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2820-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2820-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2820-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2820-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2820-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2140-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2140-73-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2820-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000a000000016650-132.dat upx behavioral1/memory/2820-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1728-174-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1728-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2820-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2600-253-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2396-252-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2396-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2600-262-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.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 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe Token: SeDebugPrivilege 2396 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2140 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 1728 csrsll.exe 2396 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2140 wrote to memory of 2820 2140 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 31 PID 2140 wrote to memory of 2820 2140 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 31 PID 2140 wrote to memory of 2820 2140 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 31 PID 2140 wrote to memory of 2820 2140 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 31 PID 2140 wrote to memory of 2820 2140 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 31 PID 2140 wrote to memory of 2820 2140 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 31 PID 2140 wrote to memory of 2820 2140 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 31 PID 2140 wrote to memory of 2820 2140 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 31 PID 2820 wrote to memory of 1856 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 32 PID 2820 wrote to memory of 1856 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 32 PID 2820 wrote to memory of 1856 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 32 PID 2820 wrote to memory of 1856 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 32 PID 1856 wrote to memory of 1784 1856 cmd.exe 34 PID 1856 wrote to memory of 1784 1856 cmd.exe 34 PID 1856 wrote to memory of 1784 1856 cmd.exe 34 PID 1856 wrote to memory of 1784 1856 cmd.exe 34 PID 2820 wrote to memory of 1728 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 35 PID 2820 wrote to memory of 1728 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 35 PID 2820 wrote to memory of 1728 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 35 PID 2820 wrote to memory of 1728 2820 aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe 35 PID 1728 wrote to memory of 2396 1728 csrsll.exe 36 PID 1728 wrote to memory of 2396 1728 csrsll.exe 36 PID 1728 wrote to memory of 2396 1728 csrsll.exe 36 PID 1728 wrote to memory of 2396 1728 csrsll.exe 36 PID 1728 wrote to memory of 2396 1728 csrsll.exe 36 PID 1728 wrote to memory of 2396 1728 csrsll.exe 36 PID 1728 wrote to memory of 2396 1728 csrsll.exe 36 PID 1728 wrote to memory of 2396 1728 csrsll.exe 36 PID 1728 wrote to memory of 2600 1728 csrsll.exe 37 PID 1728 wrote to memory of 2600 1728 csrsll.exe 37 PID 1728 wrote to memory of 2600 1728 csrsll.exe 37 PID 1728 wrote to memory of 2600 1728 csrsll.exe 37 PID 1728 wrote to memory of 2600 1728 csrsll.exe 37 PID 1728 wrote to memory of 2600 1728 csrsll.exe 37 PID 1728 wrote to memory of 2600 1728 csrsll.exe 37 PID 1728 wrote to memory of 2600 1728 csrsll.exe 37
Processes
-
C:\Users\Admin\AppData\Local\Temp\aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe"C:\Users\Admin\AppData\Local\Temp\aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Users\Admin\AppData\Local\Temp\aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe"C:\Users\Admin\AppData\Local\Temp\aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\FBXWA.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f4⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1784
-
-
-
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:1728 -
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:2396
-
-
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:2600
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
-
Filesize
90KB
MD5e93fb01e7d69a6cfcd702fed8c142dbe
SHA1c59d04b9c0d8acfef0ca1d0f0409e7be5b124da9
SHA2565174e6b9cc7da631c42eb974166621d389233630e87a86c278235b1dbc4d3390
SHA5122d735a8b4be858ab40b02543a078ee81bdfc3523744d75c9c4d8639faf5f142bb62620a994242ceac157fbbe9fd20b5fbdacbb0ddbd8942c18fd70631842eafc