Analysis
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max time kernel
103s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2025, 06:22
Static task
static1
Behavioral task
behavioral1
Sample
Rwlleacvff.exe
Resource
win7-20240903-en
General
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Target
Rwlleacvff.exe
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Size
1.1MB
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MD5
d4b61b8225bba66d44e311d686014ecf
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SHA1
4df6fc35a76fa2bb71ad182a77881e8868b1d00b
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SHA256
ec52c66f567af3f66c74f28a63cd2c315646a34095efc933de90151ed7df9684
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SHA512
79f9c98d0c1e20290e274d6702bc3d4c617102097562b26a0d4f6101463ff501b7218d188ba45ada9cd5c776070084510ef17f7e72185f31f66155690f3b9d78
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SSDEEP
24576:6Uu7IVSXJ7gIYeEPdoh8/D39jFSNq0/7xMjp8xs+XpVHPpm4m8dL:6sNeEhVCq67LsOpVvpmY1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
manlikeyou88 - 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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Agenttesla family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3756 created 3516 3756 Rwlleacvff.exe 56 -
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-1-5-21-869607583-2483572573-2297019986-1000\Control Panel\International\Geo\Nation Rwlleacvff.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.vbs Rwlleacvff.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3756 set thread context of 2572 3756 Rwlleacvff.exe 106 -
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 7 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ipconfig.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Rwlleacvff.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ipconfig.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 4756 ipconfig.exe 3644 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2900 powershell.exe 2900 powershell.exe 3756 Rwlleacvff.exe 2572 InstallUtil.exe 2572 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3756 Rwlleacvff.exe Token: SeDebugPrivilege 2900 powershell.exe Token: SeDebugPrivilege 3756 Rwlleacvff.exe Token: SeDebugPrivilege 2572 InstallUtil.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 3756 wrote to memory of 2612 3756 Rwlleacvff.exe 90 PID 3756 wrote to memory of 2612 3756 Rwlleacvff.exe 90 PID 3756 wrote to memory of 2612 3756 Rwlleacvff.exe 90 PID 2612 wrote to memory of 4756 2612 cmd.exe 92 PID 2612 wrote to memory of 4756 2612 cmd.exe 92 PID 2612 wrote to memory of 4756 2612 cmd.exe 92 PID 3756 wrote to memory of 2900 3756 Rwlleacvff.exe 103 PID 3756 wrote to memory of 2900 3756 Rwlleacvff.exe 103 PID 3756 wrote to memory of 2900 3756 Rwlleacvff.exe 103 PID 3756 wrote to memory of 2572 3756 Rwlleacvff.exe 106 PID 3756 wrote to memory of 2572 3756 Rwlleacvff.exe 106 PID 3756 wrote to memory of 2572 3756 Rwlleacvff.exe 106 PID 3756 wrote to memory of 2572 3756 Rwlleacvff.exe 106 PID 3756 wrote to memory of 2572 3756 Rwlleacvff.exe 106 PID 3756 wrote to memory of 2572 3756 Rwlleacvff.exe 106 PID 3756 wrote to memory of 2572 3756 Rwlleacvff.exe 106 PID 3756 wrote to memory of 2572 3756 Rwlleacvff.exe 106 PID 3756 wrote to memory of 4164 3756 Rwlleacvff.exe 107 PID 3756 wrote to memory of 4164 3756 Rwlleacvff.exe 107 PID 3756 wrote to memory of 4164 3756 Rwlleacvff.exe 107 PID 4164 wrote to memory of 3644 4164 cmd.exe 109 PID 4164 wrote to memory of 3644 4164 cmd.exe 109 PID 4164 wrote to memory of 3644 4164 cmd.exe 109
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3516
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C:\Users\Admin\AppData\Local\Temp\Rwlleacvff.exe"C:\Users\Admin\AppData\Local\Temp\Rwlleacvff.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Checks computer location settings
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /release3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /release4⤵
- System Location Discovery: System Language Discovery
- Gathers network information
PID:4756
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc 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3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2900
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /renew3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /renew4⤵
- System Location Discovery: System Language Discovery
- Gathers network information
PID:3644
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2572
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82