Analysis
- max time kernel
134s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
22/05/2024, 15:00
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
swift_remittance_copy_inv_30_04_2024_0000000000_pdf.exe
Resource
win7-20240221-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
swift_remittance_copy_inv_30_04_2024_0000000000_pdf.exe
Resource
win10v2004-20240508-en
8 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
2 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
2 signatures
150 seconds
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240220-en
2 signatures
150 seconds
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240426-en
2 signatures
150 seconds
General
- Target $PLUGINSDIR/System.dll
- Size 12KB
- Sample240522-sdaz4afc2t
- SHA256 c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
- MD5 792b6f86e296d3904285b2bf67ccd7e0
- SHA1 966b16f84697552747e0ddd19a4ba8ab5083af31
- SHA512 97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c
- SSDEEP 192:rFiQJ771Jt17C8F1A5xjGNNvgFOiLb7lrT/L93:X71Jt48F2eNvgFF/L
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 2920 2528 WerFault.exe 91 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2500 wrote to memory of 2528 2500 rundll32.exe 91 PID 2500 wrote to memory of 2528 2500 rundll32.exe 91 PID 2500 wrote to memory of 2528 2500 rundll32.exe 91
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:2528
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 6123⤵
- Program crash
PID:2920
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2528 -ip 25281⤵PID:4836
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=996,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=1276 /prefetch:81⤵PID:4188