Analysis
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max time kernel
138s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
08-12-2023 02:14
Static task
static1
Behavioral task
behavioral1
Sample
3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe
Resource
win10v2004-20231127-en
General
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Target
3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe
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Size
1.3MB
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MD5
c6aecc0e4d3db5d4e736eeeadb0b973c
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SHA1
71fe414f85aca7cc91794e9a73af124ab05ea2b4
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SHA256
3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f
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SHA512
1571556ffeb44821ea1797ad0c404c39f7acea0119054e67a66fe4609b7fd66bf203f9c6157740119f4e35a3604fd0b4c336d3a55629e047953c5d744af1062d
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SSDEEP
12288:LcxnAA8HyJ4pyUsjthkZ5pxXt3978OiVbkqttKm9lgxGKJF8rdgqiMShXCz+FRHx:LmAfWhK/LrEYKt9Y5FT0z+bdCj1q
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bezzleauto.com - Port:
587 - Username:
[email protected] - Password:
Kene123456789 - 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Control Panel\International\Geo\Nation 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 63 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2360 set thread context of 3760 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 106 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3760 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 3760 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 2568 powershell.exe 2568 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3760 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe Token: SeDebugPrivilege 2568 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2360 wrote to memory of 2568 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 104 PID 2360 wrote to memory of 2568 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 104 PID 2360 wrote to memory of 2568 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 104 PID 2360 wrote to memory of 3760 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 106 PID 2360 wrote to memory of 3760 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 106 PID 2360 wrote to memory of 3760 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 106 PID 2360 wrote to memory of 3760 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 106 PID 2360 wrote to memory of 3760 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 106 PID 2360 wrote to memory of 3760 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 106 PID 2360 wrote to memory of 3760 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 106 PID 2360 wrote to memory of 3760 2360 3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe"C:\Users\Admin\AppData\Local\Temp\3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2568
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C:\Users\Admin\AppData\Local\Temp\3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe"C:\Users\Admin\AppData\Local\Temp\3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3760
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3dc941e16fa811b0a6dbf4695d19077a92885568d49be5e623d55762c2343b6f.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82