a6f018539336570425955b25ebdca6f31462e1d5f5c354f627baa9e1d1c5a4a0 | Triage

Resubmissions

28/05/2024, 18:16

240528-wwzmyseg3x 8

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 18:16

Sharing

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General

Target

$PLUGINSDIR/ThreadTimer.dll
Size

14KB
MD5

a85b2642d5d0b32433fee15a75939421
SHA1

394dfe3ba1a70b418b409b309e1b1d5cd7cedff9
SHA256

92cc717f5278acd8c21f0b8a28e5ff770cbd739e9c69b687bddd56dee70dca70
SHA512

391c6d13a6e29a8c7f429ae90e3cf958c0e980dbbc5c113754c1a52991f1950024d39a51933faeffaaec233eb90b0685ca6ea0aaab311ce92e3466e845f905f9
SSDEEP

384:mrMfHQIYiagle9wTsAM+o/8E9VF0Nyw5z:Tf5YideNAMxkEO

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3968	2208	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 2208	224	rundll32.exe	90
PID 224 wrote to memory of 2208	224	rundll32.exe	90
PID 224 wrote to memory of 2208	224	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ThreadTimer.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ThreadTimer.dll,#1
  2⤵
  PID:2208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 600
    3⤵
    - Program crash
    PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2208 -ip 2208
1⤵
PID:1068

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=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:4572

Network

MITRE ATT&CK Matrix

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