Analysis
- max time kernel
139s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system - submitted
29/06/2024, 01:28
Static task
static1
Behavioral task
behavioral1
Sample
73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe
Resource
win7-20240508-en
4 signatures
150 seconds
General
- Target 73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe
- Size 3.6MB
- Sample240629-bvtebs1bql
- SHA256 73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04
- MD5 78a7612603af19fb92d614af1e769f2a
- SHA1 c032c86ab52a986d8fb85b4a2ffc4a41d2ec0a80
- SHA512 5add757bf13e4e4bf404c7f3015caf0b6c22355ee47a0be11c0bdf7aa1e868b4c49aea1ce0aa899811733be63d96b60c90e410c5c3542500a7cf51dd28380781
- SSDEEP 49152:LdbIKJzytEyM67fYoiJTwC/rMIqLwRjwVofSOtGhpGjyxqRlEBPPmgtPXVMNmIqK:RfgEy7755yrkwVwVWSqjePZ9Xg5cI
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
newoffice
C2
-
117.18.7.76:3782
Mutex
-
d908c8ed-ea88-484e-a3d2-dcbe66ac7cfc
Attributes
-
encryption_key
FD2DE574AF7E363A5304DF85B3475F93A948C103
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Windows Client Startup
-
subdirectory
SubDir
Signatures
- Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/836-3-0x0000029C44EC0000-0x0000029C451E4000-memory.dmp family_quasar - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 836 73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 836 73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe"C:\Users\Admin\AppData\Local\Temp\73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:836
-
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 --field-trial-handle=4532,i,2029050989380753659,15333598055019363793,262144 --variations-seed-version --mojo-platform-channel-handle=1044 /prefetch:81⤵PID:2636