Analysis
- max time kernel
115s - max time network
119s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
25/09/2024, 21:54
Behavioral task
behavioral1
Sample
c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe
Resource
win7-20240704-en
6 signatures
120 seconds
Behavioral task
behavioral2
Sample
c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe
Resource
win10v2004-20240802-en
5 signatures
120 seconds
General
- Target c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe
- Size 134KB
- Sample240925-1sqcbssgrh
- SHA256 c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1f
- MD5 512c5434b14235eddd245de7dd1b0a00
- SHA1 b84d9a04661c301b9dc9e803ea977d3713756bc1
- SHA512 dcaed5b3f17b827629cc1404267f41c638af6d08ea543e1c05ae0c58109c06cb28601a4c1a35b30a6895e5f02cc12532e81a499b2f5fe0c3cce16d4598dc4dde
- SSDEEP 1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qj:riAyLN9aa+9U2rW1ip6pr2At7NZuQj
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3444 WwanSvc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run" c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe -
resource yara_rule behavioral2/memory/4044-0-0x00000000000F0000-0x0000000000118000-memory.dmp upx behavioral2/files/0x00080000000235ac-3.dat upx behavioral2/memory/3444-5-0x0000000000920000-0x0000000000948000-memory.dmp upx behavioral2/memory/4044-6-0x00000000000F0000-0x0000000000118000-memory.dmp upx - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WwanSvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4044 wrote to memory of 3444 4044 c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe 89 PID 4044 wrote to memory of 3444 4044 c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe 89 PID 4044 wrote to memory of 3444 4044 c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe"C:\Users\Admin\AppData\Local\Temp\c901eb47a29e21a6891ce7452a2312b45c0c97b84da1aac8d9947e29f2906a1fN.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4044 -
C:\ProgramData\Update\WwanSvc.exe"C:\ProgramData\Update\WwanSvc.exe" /run2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3444
-
-
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=4088,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:81⤵PID:1288
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\Update\WwanSvc.exe
- Size 134KB
- SHA256 2014807574d6bb33616122077f0a98ed0a54b36c07721d9ca401b5e365812586
- MD5 9dd880cbbebdc008c9b02532a5841682
- SHA1 22153cff67b369eff9980786e9d70ce9b9a1da19
- SHA512 01a0e2ef5a59c01f2d7469b706ca93378f240361f309ea1f9070bdc1aa025da0805bf701d56796c8d3fba8379784d80a6e384076a9ae8c516989a3c5734e7c39
- SSDEEP 1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QS:riAyLN9aa+9U2rW1ip6pr2At7NZuQS
- MD5 SHA1 SHA512 SSDEEP