Analysis
-
max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-01-2025 05:52
Behavioral task
behavioral1
Sample
f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe
Resource
win10v2004-20241007-en
General
-
Target
f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe
-
Size
90KB
-
MD5
79ed2c89ebf0408596db9a5b8f5cc220
-
SHA1
12c307236a071a6cdeef71af6892c5bc40925805
-
SHA256
f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13ae
-
SHA512
f15c88e48209cd904a7e186a4eeecc4d4507ea12b61a013f62cee940531eb4e12b603f209278437282c75014b302c956d0ab21b8470598b8efe97d0b3d626a6b
-
SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDg:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3y
Malware Config
Signatures
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
Modiloader family
-
ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral1/memory/3040-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2896 csrsll.exe 1620 csrsll.exe 3040 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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 2768 set thread context of 1916 2768 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 30 PID 2896 set thread context of 1620 2896 csrsll.exe 35 PID 2896 set thread context of 3040 2896 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2768-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2768-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1916-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1916-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1916-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1916-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2768-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1916-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1916-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2768-88-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2768-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2768-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2768-56-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1916-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000b00000001227e-133.dat upx behavioral1/memory/1916-135-0x00000000031A0000-0x00000000031F3000-memory.dmp upx behavioral1/memory/1916-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2768-155-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2896-214-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3040-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2896-253-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1916-256-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1620-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3040-265-0x0000000000400000-0x0000000000414000-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 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 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe Token: SeDebugPrivilege 1620 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2768 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 2896 csrsll.exe 1620 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2768 wrote to memory of 1916 2768 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 30 PID 2768 wrote to memory of 1916 2768 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 30 PID 2768 wrote to memory of 1916 2768 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 30 PID 2768 wrote to memory of 1916 2768 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 30 PID 2768 wrote to memory of 1916 2768 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 30 PID 2768 wrote to memory of 1916 2768 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 30 PID 2768 wrote to memory of 1916 2768 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 30 PID 2768 wrote to memory of 1916 2768 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 30 PID 1916 wrote to memory of 1156 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 31 PID 1916 wrote to memory of 1156 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 31 PID 1916 wrote to memory of 1156 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 31 PID 1916 wrote to memory of 1156 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 31 PID 1156 wrote to memory of 2784 1156 cmd.exe 33 PID 1156 wrote to memory of 2784 1156 cmd.exe 33 PID 1156 wrote to memory of 2784 1156 cmd.exe 33 PID 1156 wrote to memory of 2784 1156 cmd.exe 33 PID 1916 wrote to memory of 2896 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 34 PID 1916 wrote to memory of 2896 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 34 PID 1916 wrote to memory of 2896 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 34 PID 1916 wrote to memory of 2896 1916 f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe 34 PID 2896 wrote to memory of 1620 2896 csrsll.exe 35 PID 2896 wrote to memory of 1620 2896 csrsll.exe 35 PID 2896 wrote to memory of 1620 2896 csrsll.exe 35 PID 2896 wrote to memory of 1620 2896 csrsll.exe 35 PID 2896 wrote to memory of 1620 2896 csrsll.exe 35 PID 2896 wrote to memory of 1620 2896 csrsll.exe 35 PID 2896 wrote to memory of 1620 2896 csrsll.exe 35 PID 2896 wrote to memory of 1620 2896 csrsll.exe 35 PID 2896 wrote to memory of 3040 2896 csrsll.exe 36 PID 2896 wrote to memory of 3040 2896 csrsll.exe 36 PID 2896 wrote to memory of 3040 2896 csrsll.exe 36 PID 2896 wrote to memory of 3040 2896 csrsll.exe 36 PID 2896 wrote to memory of 3040 2896 csrsll.exe 36 PID 2896 wrote to memory of 3040 2896 csrsll.exe 36 PID 2896 wrote to memory of 3040 2896 csrsll.exe 36 PID 2896 wrote to memory of 3040 2896 csrsll.exe 36
Processes
-
C:\Users\Admin\AppData\Local\Temp\f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe"C:\Users\Admin\AppData\Local\Temp\f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2768 -
C:\Users\Admin\AppData\Local\Temp\f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe"C:\Users\Admin\AppData\Local\Temp\f58b545e3af3125cee72a8c22b00be26e5efefb8b3c5b0d8ae7be97c15cc13aeN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\HGUBK.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1156 -
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:2784
-
-
-
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:2896 -
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:1620
-
-
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:3040
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
-
Filesize
90KB
MD509a7134c9e32382bf1bc3f8cdcaa4e24
SHA171b5e3fc888db0bc50cf3f99036dc918b1a26ef2
SHA2565823a96fb11aaaa12b2f6534f572b6c04772082550b104b82cf00ad1169059a0
SHA5125c0621a5903271d5107e507b2b66b4f9be5d6ec2ef81c4672248a5a9d7ba01f259698a9ff22555926d7383f4ff0c181b9a79808499af5364451f0255b7508989