Analysis
-
max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
-
submitted
19-11-2024 08:17
General
-
Target
_Silent Update.cmd
-
Size
1KB
-
MD5
9add192714f7645e21ca939f159d595d
-
SHA1
b7aeb23abbb7795917943cf11af634d645cbef35
-
SHA256
1d433ad24bd7efbfcee720496cb557fa36bcbf6d50ad57968e988e413b359c57
-
SHA512
aa671e8f820e2ba3c791f5bbdcbec92be58d6b0c1373c8aae42aa2b631b124255183d86ba216a4d1b23e366c3d0474b734aa963e23fb2d9aad022dba75f7c2bd
Malware Config
Signatures
-
Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
Executes dropped EXE 1 IoCs
-
Loads dropped DLL 18 IoCs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
-
Drops file in Program Files directory 64 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 11 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
-
Modifies Internet Explorer settings 1 TTPs 1 IoCs
-
Modifies registry class 64 IoCs
-
Runs .reg file with regedit 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
-
Suspicious use of FindShellTrayWindow 1 IoCs
-
Suspicious use of SetWindowsHookEx 3 IoCs
-
Suspicious use of WriteProcessMemory 41 IoCs
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\_Silent Update.cmd"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Internet Download Manager 6.42.25.exe"Internet Download Manager 6.42.25.exe" /SILENT /UPDATE=12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-A4J6S.tmp\Internet Download Manager 6.42.25.tmp"C:\Users\Admin\AppData\Local\Temp\is-A4J6S.tmp\Internet Download Manager 6.42.25.tmp" /SL5="$A0188,14999154,64512,C:\Users\Admin\AppData\Local\Temp\Internet Download Manager 6.42.25.exe" /SILENT /UPDATE=13⤵
- Executes dropped EXE
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Internet Download Manager\downlWithIDM.dll"4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
-
-
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Internet Download Manager\IDMGetAll.dll"4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
-
-
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Internet Download Manager\IDMIECC.dll"4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
-
-
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Internet Download Manager\idmfsa.dll"4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
-
-
C:\Windows\system32\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Internet Download Manager\IDMShellExt64.dll"4⤵
- Loads dropped DLL
-
-
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Internet Download Manager\downlWithIDM64.dll"4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\Internet Download Manager\downlWithIDM64.dll"5⤵
- Loads dropped DLL
- Modifies registry class
-
-
-
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Internet Download Manager\IDMGetAll64.dll"4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\Internet Download Manager\IDMGetAll64.dll"5⤵
- Loads dropped DLL
- Modifies registry class
-
-
-
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Internet Download Manager\IDMIECC64.dll"4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\Internet Download Manager\IDMIECC64.dll"5⤵
- Loads dropped DLL
- Modifies registry class
-
-
-
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\system32\regsvr32.exe" /s /u "C:\Program Files (x86)\Internet Download Manager\IDMShellExt.dll"4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\regedit.exe"C:\Windows\regedit.exe" /S "C:\Users\Admin\AppData\Local\Temp\settings.reg"4⤵
- System Location Discovery: System Language Discovery
- Runs .reg file with regedit
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
73KB
MD5d04845fab1c667c04458d0a981f3898e
SHA1f30267bb7037a11669605c614fb92734be998677
SHA25633a8a6b9413d60a38237bafc4c331dfebf0bf64f8057abc335b4a6a6b95c9381
SHA512ccd166dbe9aaba3795963af7d63b1a561de90153c2eaefb12f3e9f9ddebd9b1f7861ee76f45b4ef19d41ca514f3796e98b3c3660596730be8d8eb9e1048ef59e
-
Filesize
93KB
MD5597164da15b26114e7f1136965533d72
SHA19eeaa7f7de2d04415b8c435a82ee7eea7bbf5c8a
SHA256117abaeb27451944c72ffee804e674046c58d769bd2e940c71e66edec0725bd1
SHA5127a2d31a1342286e1164f80c6da3a9c07418ebeafb9b4d5b702c0f03065ee26949da22193eb403c8aeec012b6f1c5ff21179104943943302972492fcdccc850d9
-
Filesize
463KB
MD523efcfffee040fdc1786add815ccdf0a
SHA10d535387c904eba74e3cb83745cb4a230c6e0944
SHA2569a9989644213043f2cfff177b907ef2bdd496c2f65803d8f158eae9034918878
SHA512cf69ed7af446a83c084b3bd4b0a3dbb5f013d93013cd7f2369fc8a075fe05db511cfe6b6afdef78026f551b53ad0cb7c786193c579b7f868dd0840b53dbb5e9f
-
Filesize
656KB
MD5e032a50d2cf9c5bf6ff602c1855d5a08
SHA1f1292134eaad69b611a3d7e99c5a317c191468aa
SHA256d0c6d455d067e8717efe2cfb9bdcbeae27b48830fe77e9d45c351fbfb164716d
SHA51277099b44e4822b4a556b4ea6417cf0a131ffb5ee65c3f7537ab4cdc9939f806b15d21972ea4d14a0d95cf946013b9997a9127d798016f68bcd957bbffdab6c11
-
Filesize
500KB
MD5750e48e15233e2f27d664978f7f06b38
SHA181ccc803d79f5016bd05049724764cdc09cf1cf9
SHA256e8639ec2f53d947f0400343368e60a4158332314e23adfa028f589b84c754744
SHA512f318bee9af7f419329dff6d30173777d773de5603b0bf5ceef0d20e3202ddfdb47ce23cb8302d31afc23624f0c5ea76c5bcfeee30a2452fd0cce3da2e9dadd2d
-
Filesize
33KB
MD58ebbfdc893b3449ce9940e078e8a87ea
SHA1def9a44b6901f33b0d6d06963a4b60bfa4327ae0
SHA256211930e13a1270450388be5ca4e8a049f71710c53bc3983772e3613224190812
SHA512b4cb33739f928d3e17eff33bf0692d49f446637bcbd1bdbdd243120c3e46537b254e62668cddc50bfccb9d52f8bde57b1bb45a26cb5dcec1e101bebaec703b5d
-
Filesize
36KB
MD5a3c44204992e307d121df09dd6a1577c
SHA19482d8ffda34904b1dfd0226b374d1db41ca093d
SHA25648e5c5916f100880e68c9e667c4457eb0065c5c7ab40fb6d85028fd23d3e4838
SHA512f700cf7accab0333bc412f68cdcfb25d68c693a27829bc38a655d52cb313552b59f9243fc51357e9dccd92863deecb529cc68adbc40387aad1437d625fd577f1
-
Filesize
197KB
MD5b94d0711637b322b8aa1fb96250c86b6
SHA14f555862896014b856763f3d667bce14ce137c8b
SHA25638ac192d707f3ec697dd5fe01a0c6fc424184793df729f427c0cf5dfab6705fe
SHA51272cdb05b4f45e9053ae2d12334dae412e415aebd018568c522fa5fe0f94dd26c7fe7bb81ccd8d6c7b5b42c795b3207dffa6345b8db24ce17beb601829e37a369
-
Filesize
155KB
MD513c99cbf0e66d5a8003a650c5642ca30
SHA170f161151cd768a45509aff91996046e04e1ac2d
SHA2568a51ece1c4c8bcb8c56ca10cb9d97bff0dfe75052412a8d8d970a5eb6933427b
SHA512f3733ef2074f97768c196ad662565b28e9463c2c8cf768166fed95350b21c2eb6845d945778c251093c00c65d7a879186843eb334a8321b9956738d9257ce432
-
Filesize
90KB
MD579fef25169ac0a6c61e1ed17409f8c1e
SHA1c19f836fca8845adf9ae21fb7866eedb8c576eb8
SHA256801d3a802a641212b54c9f0ef0d762b08bcca9ab4f2c8603d823a1c1bc38c75a
SHA51249bf489d6836b4327c6ebad722f733f66722aadb89c4eac038231e0f340d48bb8c4fe7ce70437213a54e21bce40a4a564a72a717f67e32af09b3f9aa59050aab
-
Filesize
911KB
MD54a6c1b37772b488d1bdff1eb6e589118
SHA1e89a6b43b8fb61f988779c0bc3bd421090424d53
SHA256109e48992f332ddde3f2ff8ea6459f11eff3d7968dab4951dc96ed7507f1bbf6
SHA512132ff049d9d2d2dca20084f4fa1b3ebf059ccfbc0c5b0b29fabf78543896fb9e18d0dd2255f6bbbd5c637d5c6d405fd07ebd247c77bf751e0d8758cd8eda73cb
-
Filesize
66KB
MD586a1311d51c00b278cb7f27796ea442e
SHA1ac08ac9d08f8f5380e2a9a65f4117862aa861a19
SHA256e916bdf232744e00cbd8d608168a019c9f41a68a7e8390aa48cfb525276c483d
SHA512129e4b8dd2665bcfc5e72b4585343c51127b5d027dbb0234291e7a197baeca1bab5ed074e65e5e8c969ee01f9f65cc52c9993037416de9bfff2f872e5aeba7ec
-
Filesize
3.0MB
MD5b0ca93ceb050a2feff0b19e65072bbb5
SHA17ebbbbe2d2acd8fd516f824338d254a33b69f08d
SHA2560e93313f42084d804b9ac4be53d844e549cfcaf19e6f276a3b0f82f01b9b2246
SHA51237242423e62af30179906660c6dbbadca3dc2ba9e562f84315a69f3114765bc08e88321632843dbd78ba1728f8d1ce54a4edfa3b96a9d13e540aee895ae2d8e2
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
988KB
-
Filesize
1.2MB
-
Filesize
988KB
-
Filesize
988KB
-
Filesize
988KB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
988KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
3.1MB
-
Filesize
88KB
-
Filesize
988KB
-
Filesize
988KB
-
Filesize
988KB
-
Filesize
988KB
-
Filesize
92KB
-
Filesize
40KB