Analysis
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max time kernel
145s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/10/2024, 01:41
Static task
static1
Behavioral task
behavioral1
Sample
orig.eml.exe
Resource
win7-20240903-en
General
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Target
orig.eml.exe
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Size
781KB
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MD5
b18d405d583c06c41cce7f63c78a802a
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SHA1
28b19058141d53c08948af6b89fd6409b3924ad5
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SHA256
914593c3a4ec4f8b63537ea8bc08079cdace1b6ddcff95d1ede0b49eb11da709
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SHA512
58f65689fb2a58da9a359a5d38b7640857001b546b798c48f7c189b35b87bc6e159cbebf9a54c3e3ffca0eb6362f6be7ae05a65108ef5299e6553e201f24f10d
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SSDEEP
12288:EtmU+gdBSt4tnO5N3KSekX08rVU8t5xWonVp4g0Cla+ve7bAvANa24jV:Et1+GO5Z3XTr5xWoV90sjvzE1
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
nhpe dfhf irbv bqxe
Extracted
agenttesla
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
nhpe dfhf irbv bqxe - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 3764 powershell.exe -
Blocklisted process makes network request 3 IoCs
flow pid Process 29 1072 msiexec.exe 32 1072 msiexec.exe 35 1072 msiexec.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 31 api.ipify.org 32 api.ipify.org -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 1072 msiexec.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3764 powershell.exe 1072 msiexec.exe -
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 orig.eml.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 3764 powershell.exe 1072 msiexec.exe 1072 msiexec.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3764 powershell.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 3764 powershell.exe Token: SeIncreaseQuotaPrivilege 3764 powershell.exe Token: SeSecurityPrivilege 3764 powershell.exe Token: SeTakeOwnershipPrivilege 3764 powershell.exe Token: SeLoadDriverPrivilege 3764 powershell.exe Token: SeSystemProfilePrivilege 3764 powershell.exe Token: SeSystemtimePrivilege 3764 powershell.exe Token: SeProfSingleProcessPrivilege 3764 powershell.exe Token: SeIncBasePriorityPrivilege 3764 powershell.exe Token: SeCreatePagefilePrivilege 3764 powershell.exe Token: SeBackupPrivilege 3764 powershell.exe Token: SeRestorePrivilege 3764 powershell.exe Token: SeShutdownPrivilege 3764 powershell.exe Token: SeDebugPrivilege 3764 powershell.exe Token: SeSystemEnvironmentPrivilege 3764 powershell.exe Token: SeRemoteShutdownPrivilege 3764 powershell.exe Token: SeUndockPrivilege 3764 powershell.exe Token: SeManageVolumePrivilege 3764 powershell.exe Token: 33 3764 powershell.exe Token: 34 3764 powershell.exe Token: 35 3764 powershell.exe Token: 36 3764 powershell.exe Token: SeDebugPrivilege 1072 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4868 wrote to memory of 3764 4868 orig.eml.exe 86 PID 4868 wrote to memory of 3764 4868 orig.eml.exe 86 PID 4868 wrote to memory of 3764 4868 orig.eml.exe 86 PID 3764 wrote to memory of 1072 3764 powershell.exe 95 PID 3764 wrote to memory of 1072 3764 powershell.exe 95 PID 3764 wrote to memory of 1072 3764 powershell.exe 95 PID 3764 wrote to memory of 1072 3764 powershell.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\orig.eml.exe"C:\Users\Admin\AppData\Local\Temp\orig.eml.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Newsreader=Get-Content -raw 'C:\Users\Admin\AppData\Roaming\gurlis\billeter\pli\Kvoteordning.Con11';$insection=$Newsreader.SubString(11513,3);.$insection($Newsreader) "2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"3⤵
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1072
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
69KB
MD544e87939c2b9b122a06ddf4f4ca21107
SHA1b2a88ecfd4647b2b3947e9ac02615039f0b14797
SHA2565fd699d89de57b4a2f9f73adcc80b86c804816e922e7b799e62365d969bccdb9
SHA512254506aadd3676c551fb25f1d51a3433f2fbbab852d5956c39e0d9ec7bfb5cecbe63b4ab409de3db1f119f0c837685dd3355a337faf39f0cc06ebecd2848828a
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Filesize
305KB
MD5c92d934f679645fd467fd987f4dd0f82
SHA1850378d6439e7f7a5790c3c8d30e9eafd3bac462
SHA2562ba03ecc6fe4832d2e3af3c19de4abb8fb14d8c78b334cfb93d9805db967ab59
SHA5125249dc52c009cd4a793202e34031d0cb0ff0d9c24165346b4aa083f8ba50f2ebcc7918078ec8d4b1f627af9df7aae5354cb9c0c93f87ae96613124b46541ae32