Analysis
- max time kernel
147s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240319-en - resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system - submitted
03/04/2024, 12:51
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe
Resource
win7-20240221-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe
Resource
win10v2004-20240319-en
13 signatures
150 seconds
General
- Target 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe
- Size 1.3MB
- Sample240403-p3gmdsdc7z
- SHA256 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb
- MD5 dfb3dbbbcc145e261f76f54678b4b341
- SHA1 25eaaf885074ecfc980ef9f70c53d5f6f3a9c6a1
- SHA512 33f5f6c05a03a1dd38e3ac0cb6e4e7bc665a4899368498c6356d71ef12042faab7b7c9a15971b2e806125e55c136fc08389bbbae6d72dcd6807d78a0c68b7f74
- SSDEEP 24576:YAHnh+eWsN3skA4RV1Hom2KXMmHavTiXGgHCo3AArvK+5:fh+ZkldoPK8Yav4nAArb
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect ZGRat V1 33 IoCs
resource yara_rule behavioral2/memory/4908-15-0x0000000002D40000-0x0000000002D94000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-20-0x00000000051E0000-0x0000000005232000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-21-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-22-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-24-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-26-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-28-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-30-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-32-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-34-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-36-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-38-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-40-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-44-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-46-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-42-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-48-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-50-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-52-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-54-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-56-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-58-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-60-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-62-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-64-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-66-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-68-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-70-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-72-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-74-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-76-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-78-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 behavioral2/memory/4908-80-0x00000000051E0000-0x000000000522D000-memory.dmp family_zgrat_v1 - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mjBSumU = "C:\\Users\\Admin\\AppData\\Roaming\\mjBSumU\\mjBSumU.exe" RegSvcs.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 34 api.ipify.org 35 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 488 set thread context of 4908 488 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe 100 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4908 RegSvcs.exe 4908 RegSvcs.exe 4908 RegSvcs.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 488 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4908 RegSvcs.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 488 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe 488 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 488 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe 488 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4908 RegSvcs.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 488 wrote to memory of 4908 488 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe 100 PID 488 wrote to memory of 4908 488 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe 100 PID 488 wrote to memory of 4908 488 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe 100 PID 488 wrote to memory of 4908 488 7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe"C:\Users\Admin\AppData\Local\Temp\7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:488 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\7b857e330ceb46169459dee53b346a6016660aea63bcc3b7c8df033cf01515eb.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4908
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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=1416 --field-trial-handle=2000,i,9877262470271371196,11878025205711850266,262144 --variations-seed-version /prefetch:81⤵PID:3336