Analysis
-
max time kernel
119s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-12-2024 10:49
Behavioral task
behavioral1
Sample
bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe
Resource
win10v2004-20241007-en
General
-
Target
bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe
-
Size
90KB
-
MD5
927cb4476dd6fa9ece5ef66e5a9f501d
-
SHA1
149988ca7372021db94261503a1531c57165fbca
-
SHA256
bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73
-
SHA512
ef2e5323ac3d2ebaf82ea3bc4d63cc6888f892f5f3223bd306211026b6cf8b66e07c399abc439a0cdeac64143ecca12e9c4b3c5c7d4dba200e9f060ef71e1873
-
SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDC:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E
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/840-253-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/840-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1496 csrsll.exe 1368 csrsll.exe 840 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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 3048 set thread context of 2620 3048 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 30 PID 1496 set thread context of 1368 1496 csrsll.exe 36 PID 1496 set thread context of 840 1496 csrsll.exe 37 -
resource yara_rule behavioral1/memory/3048-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3048-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3048-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3048-85-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3048-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3048-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3048-31-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00090000000120f9-134.dat upx behavioral1/memory/2620-136-0x0000000002850000-0x00000000028A3000-memory.dmp upx behavioral1/memory/2620-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1496-214-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1496-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/840-253-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2620-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1368-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/840-262-0x0000000000400000-0x0000000000414000-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 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 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe Token: SeDebugPrivilege 1368 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3048 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 1496 csrsll.exe 1368 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3048 wrote to memory of 2620 3048 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 30 PID 3048 wrote to memory of 2620 3048 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 30 PID 3048 wrote to memory of 2620 3048 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 30 PID 3048 wrote to memory of 2620 3048 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 30 PID 3048 wrote to memory of 2620 3048 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 30 PID 3048 wrote to memory of 2620 3048 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 30 PID 3048 wrote to memory of 2620 3048 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 30 PID 3048 wrote to memory of 2620 3048 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 30 PID 2620 wrote to memory of 1908 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 31 PID 2620 wrote to memory of 1908 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 31 PID 2620 wrote to memory of 1908 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 31 PID 2620 wrote to memory of 1908 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 31 PID 1908 wrote to memory of 1032 1908 cmd.exe 33 PID 1908 wrote to memory of 1032 1908 cmd.exe 33 PID 1908 wrote to memory of 1032 1908 cmd.exe 33 PID 1908 wrote to memory of 1032 1908 cmd.exe 33 PID 2620 wrote to memory of 1496 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 34 PID 2620 wrote to memory of 1496 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 34 PID 2620 wrote to memory of 1496 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 34 PID 2620 wrote to memory of 1496 2620 bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe 34 PID 1496 wrote to memory of 1368 1496 csrsll.exe 36 PID 1496 wrote to memory of 1368 1496 csrsll.exe 36 PID 1496 wrote to memory of 1368 1496 csrsll.exe 36 PID 1496 wrote to memory of 1368 1496 csrsll.exe 36 PID 1496 wrote to memory of 1368 1496 csrsll.exe 36 PID 1496 wrote to memory of 1368 1496 csrsll.exe 36 PID 1496 wrote to memory of 1368 1496 csrsll.exe 36 PID 1496 wrote to memory of 1368 1496 csrsll.exe 36 PID 1496 wrote to memory of 840 1496 csrsll.exe 37 PID 1496 wrote to memory of 840 1496 csrsll.exe 37 PID 1496 wrote to memory of 840 1496 csrsll.exe 37 PID 1496 wrote to memory of 840 1496 csrsll.exe 37 PID 1496 wrote to memory of 840 1496 csrsll.exe 37 PID 1496 wrote to memory of 840 1496 csrsll.exe 37 PID 1496 wrote to memory of 840 1496 csrsll.exe 37 PID 1496 wrote to memory of 840 1496 csrsll.exe 37
Processes
-
C:\Users\Admin\AppData\Local\Temp\bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe"C:\Users\Admin\AppData\Local\Temp\bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Users\Admin\AppData\Local\Temp\bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe"C:\Users\Admin\AppData\Local\Temp\bcb7aedee14fbd3b301292e2cc7bcdd1604cddb02f3328e50732ba431bf84a73.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\TCOSP.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908 -
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:1032
-
-
-
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:1496 -
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:1368
-
-
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:840
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
-
Filesize
90KB
MD589e9a6b7ff835bf835dbd9ad1e5e9b5c
SHA193951e0485bf70d9cbde6e1f08ea7e21d7d0dbec
SHA256992228b967b1f4cdf2111d9b520f943c7b244de347b5fa426d2ee6035d5e0e54
SHA51275c16a3445d0b4b18b30a1df03a460e5444c8fb3180aedee424160782230e241fbd0bb2e3504dde1014e0dfb4712e8ec87df2ad03860639b0c619b0303f4812b