2141f5d04cb8495b09243cfe3304fa0929d9b586113199ff13c654baf0e2b679

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2024, 03:10

Target
$PLUGINSDIR/nsRandom.dll
Size 21KB
Sample240517-dpbcnseh34
SHA256 db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73
MD5 ab467b8dfaa660a0f0e5b26e28af5735
SHA1 596abd2c31eaff3479edf2069db1c155b59ce74d
SHA512 7d002dc203997b8a4d8ec20c92cd82848e29d746414f4a61265c76d4afb12c05bce826fc63f4d2bd3d527f38506c391855767d864c37584df11b5db9ca008301
SSDEEP 384:LCHDPMs4GdtyO5roguusMxUXiO3wOw95euooP2UgKbd9BvNtf:LCHD6Gh87MKXil/5r2U3z
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral12/memory/1392-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral12/memory/1392-1-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral12/memory/1392-2-0x0000000000400000-0x0000000000412000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4300	1392	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 1392	1312	rundll32.exe	90
PID 1312 wrote to memory of 1392	1312	rundll32.exe	90
PID 1312 wrote to memory of 1392	1312	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRandom.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRandom.dll,#1
  2⤵
  PID:1392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1392 -s 620
    3⤵
    - Program crash
    PID:4300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1392 -ip 1392
1⤵
PID:4428

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 --mojo-platform-channel-handle=1028 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:2304

memory/1392-0-0x0000000000400000-0x0000000000412000-memory.dmp

Download

memory/1392-1-0x0000000000400000-0x0000000000412000-memory.dmp

Download

memory/1392-2-0x0000000000400000-0x0000000000412000-memory.dmp

Download