Analysis
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max time kernel
105s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 13:13
Static task
static1
Behavioral task
behavioral1
Sample
grace.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
grace.exe
Resource
win10v2004-20240802-en
General
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Target
grace.exe
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Size
1.1MB
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MD5
0d14cd85f7729e2b3c4c8c5247ac3df4
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SHA1
c6f99226a3728bf9d0eb53e98538b98e8504bc7f
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SHA256
5fc47ca65df767fcb09cc074dff3d5d02ab6c61ffff00b409ea2fa4107e080ce
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SHA512
8c281c891ba5763b0f2b148ebc85d9e73f00e0d71b4aa1dda7507719480b9f00833ed7edb84f32b2d1af38058ba544b6a0f37d2843d9cf821429362fb43e6985
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SSDEEP
24576:ffmMv6Ckr7Mny5QLZ7sI/17wNfepLueaB:f3v+7/5QLZhU2pLIB
Malware Config
Extracted
Protocol: smtp- Host:
techniqueqatar.com - Port:
587 - Username:
[email protected] - Password:
TechFB2023$$$
Extracted
agenttesla
Protocol: smtp- Host:
techniqueqatar.com - Port:
587 - Username:
[email protected] - Password:
TechFB2023$$$ - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\beeish.vbs beeish.exe -
Executes dropped EXE 1 IoCs
pid Process 1360 beeish.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aWUFv = "C:\\Users\\Admin\\AppData\\Roaming\\aWUFv\\aWUFv.exe" RegSvcs.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 16 api.ipify.org 17 api.ipify.org 18 ip-api.com -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x000400000001db32-5.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1360 set thread context of 3028 1360 beeish.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 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 grace.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language beeish.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3028 RegSvcs.exe 3028 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1360 beeish.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3028 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3028 RegSvcs.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1852 wrote to memory of 1360 1852 grace.exe 85 PID 1852 wrote to memory of 1360 1852 grace.exe 85 PID 1852 wrote to memory of 1360 1852 grace.exe 85 PID 1360 wrote to memory of 3028 1360 beeish.exe 86 PID 1360 wrote to memory of 3028 1360 beeish.exe 86 PID 1360 wrote to memory of 3028 1360 beeish.exe 86 PID 1360 wrote to memory of 3028 1360 beeish.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\grace.exe"C:\Users\Admin\AppData\Local\Temp\grace.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Users\Admin\AppData\Local\nasal\beeish.exe"C:\Users\Admin\AppData\Local\Temp\grace.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\grace.exe"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3028
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
249KB
MD55f80243cc3fa30e2032bcf34b25869d8
SHA13265d079ed8f7aa8baf0b8336e7b9a2291773bf1
SHA2562b7ede596c244c8c83cc95eb6ff998a9d18a68b109651837320a1788fae75401
SHA512594780587280ec94e5f09242cdab3a4e03ee7afd5dfb253316d62929d53f340c4bcde76d79dfdd8ceaf34c4d404565238ff97ac4f0d6f3b7f5acb0da7220cd77
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Filesize
1.1MB
MD50d14cd85f7729e2b3c4c8c5247ac3df4
SHA1c6f99226a3728bf9d0eb53e98538b98e8504bc7f
SHA2565fc47ca65df767fcb09cc074dff3d5d02ab6c61ffff00b409ea2fa4107e080ce
SHA5128c281c891ba5763b0f2b148ebc85d9e73f00e0d71b4aa1dda7507719480b9f00833ed7edb84f32b2d1af38058ba544b6a0f37d2843d9cf821429362fb43e6985