ec60beee43104003bc410371ae1ef8e846e17ff5733556dbd8e7acae68058200 | Triage

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-04-2024 15:35

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General

Target

bin/nssckbi.dll
Size

426KB
MD5

40483977b63ff6382ba0e4fb03198c8b
SHA1

d6c291be675e45a2d270e77bbc8f73d8fa51d8ad
SHA256

bfa1de077f19afc7b21feb41891b4200a40b4dda114f483d4eb92ff7a375926d
SHA512

eba65f2f39f0e0fa317d5aea13f945a3a72da72cc31c0a0631b070ab3a914cc19250fc794c1294f4195657b6d79ac56e50190f3ed3745fcb37f4ebd833f16862
SSDEEP

6144:t2HwxiNQVRjpfTOIf4EUo4pVQ6i+8a9CftgcWGzGgI4oW:t2HwxiWV/7OIfh4pVb2/WGzGgI4oW

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2220	5092	WerFault.exe	92

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 5092	1620	rundll32.exe	92
PID 1620 wrote to memory of 5092	1620	rundll32.exe	92
PID 1620 wrote to memory of 5092	1620	rundll32.exe	92

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\nssckbi.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\nssckbi.dll,#1
  2⤵
  PID:5092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 640
    3⤵
    - Program crash
    PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5092 -ip 5092
1⤵
PID:2212

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=3940 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:2616

Network

MITRE ATT&CK Matrix

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