Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2024 13:07
Static task
static1
Behavioral task
behavioral1
Sample
Bestellung - 021224 - 901003637.exe
Resource
win7-20240903-en
General
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Target
Bestellung - 021224 - 901003637.exe
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Size
3.7MB
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MD5
15f259b30ec72a5217144834f7f5b564
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SHA1
baed3fe7d059a497f856e263431ccd3872ef1ea1
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SHA256
01de053d9560d419f0b6c35dbddb1175eb1fd7a21450989332024b812d39c4c2
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SHA512
5e1148a9cf8008b7c38d067ec34e5c3bc7255341d114476532f8111ea2c3e654eb70b0a439aaaea22543576f09b9cec269f9b3414a6a24fc54b89c7c677c5f47
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SSDEEP
98304:ZrAsTIZbqqBQjwske/pCT66UNYekeWY0CE9:ZcCSL0ke/pO5ekeWtCE9
Malware Config
Extracted
quasar
1.4.1
DAVID
hoffmann3.ydns.eu:5829
532aca2b-96ff-44aa-9213-031e975919ac
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encryption_key
C5B555A83D127A9553D4FB1FCECB35CE8E91A447
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install_name
outlooks.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Outlooks
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subdirectory
WindowsUpdates
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1544-46-0x0000000000400000-0x0000000000724000-memory.dmp family_quasar -
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid Process 4768 powershell.exe 4720 powershell.exe 3372 powershell.exe 1724 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Bestellung - 021224 - 901003637.exeoutlooks.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation Bestellung - 021224 - 901003637.exe Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation outlooks.exe -
Executes dropped EXE 2 IoCs
Processes:
outlooks.exeoutlooks.exepid Process 316 outlooks.exe 4280 outlooks.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
Bestellung - 021224 - 901003637.exeoutlooks.exedescription pid Process procid_target PID 4080 set thread context of 1544 4080 Bestellung - 021224 - 901003637.exe 98 PID 316 set thread context of 4280 316 outlooks.exe 110 -
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 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
powershell.exeschtasks.exeoutlooks.exeschtasks.exeoutlooks.exepowershell.exepowershell.exeschtasks.exeBestellung - 021224 - 901003637.exeschtasks.exepowershell.exeBestellung - 021224 - 901003637.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language outlooks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language outlooks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bestellung - 021224 - 901003637.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bestellung - 021224 - 901003637.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exepid Process 1276 schtasks.exe 4440 schtasks.exe 2084 schtasks.exe 1500 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
powershell.exepowershell.exeBestellung - 021224 - 901003637.exepowershell.exepowershell.exepid Process 3372 powershell.exe 1724 powershell.exe 4080 Bestellung - 021224 - 901003637.exe 4080 Bestellung - 021224 - 901003637.exe 4080 Bestellung - 021224 - 901003637.exe 4080 Bestellung - 021224 - 901003637.exe 4080 Bestellung - 021224 - 901003637.exe 4080 Bestellung - 021224 - 901003637.exe 3372 powershell.exe 1724 powershell.exe 4768 powershell.exe 4720 powershell.exe 4768 powershell.exe 4720 powershell.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
powershell.exepowershell.exeBestellung - 021224 - 901003637.exeBestellung - 021224 - 901003637.exepowershell.exepowershell.exeoutlooks.exedescription pid Process Token: SeDebugPrivilege 3372 powershell.exe Token: SeDebugPrivilege 1724 powershell.exe Token: SeDebugPrivilege 4080 Bestellung - 021224 - 901003637.exe Token: SeDebugPrivilege 1544 Bestellung - 021224 - 901003637.exe Token: SeDebugPrivilege 4720 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeDebugPrivilege 4280 outlooks.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
outlooks.exepid Process 4280 outlooks.exe -
Suspicious use of WriteProcessMemory 52 IoCs
Processes:
Bestellung - 021224 - 901003637.exeBestellung - 021224 - 901003637.exeoutlooks.exeoutlooks.exedescription pid Process procid_target PID 4080 wrote to memory of 3372 4080 Bestellung - 021224 - 901003637.exe 89 PID 4080 wrote to memory of 3372 4080 Bestellung - 021224 - 901003637.exe 89 PID 4080 wrote to memory of 3372 4080 Bestellung - 021224 - 901003637.exe 89 PID 4080 wrote to memory of 1724 4080 Bestellung - 021224 - 901003637.exe 91 PID 4080 wrote to memory of 1724 4080 Bestellung - 021224 - 901003637.exe 91 PID 4080 wrote to memory of 1724 4080 Bestellung - 021224 - 901003637.exe 91 PID 4080 wrote to memory of 1276 4080 Bestellung - 021224 - 901003637.exe 93 PID 4080 wrote to memory of 1276 4080 Bestellung - 021224 - 901003637.exe 93 PID 4080 wrote to memory of 1276 4080 Bestellung - 021224 - 901003637.exe 93 PID 4080 wrote to memory of 3536 4080 Bestellung - 021224 - 901003637.exe 95 PID 4080 wrote to memory of 3536 4080 Bestellung - 021224 - 901003637.exe 95 PID 4080 wrote to memory of 3536 4080 Bestellung - 021224 - 901003637.exe 95 PID 4080 wrote to memory of 3920 4080 Bestellung - 021224 - 901003637.exe 96 PID 4080 wrote to memory of 3920 4080 Bestellung - 021224 - 901003637.exe 96 PID 4080 wrote to memory of 3920 4080 Bestellung - 021224 - 901003637.exe 96 PID 4080 wrote to memory of 1144 4080 Bestellung - 021224 - 901003637.exe 97 PID 4080 wrote to memory of 1144 4080 Bestellung - 021224 - 901003637.exe 97 PID 4080 wrote to memory of 1144 4080 Bestellung - 021224 - 901003637.exe 97 PID 4080 wrote to memory of 1544 4080 Bestellung - 021224 - 901003637.exe 98 PID 4080 wrote to memory of 1544 4080 Bestellung - 021224 - 901003637.exe 98 PID 4080 wrote to memory of 1544 4080 Bestellung - 021224 - 901003637.exe 98 PID 4080 wrote to memory of 1544 4080 Bestellung - 021224 - 901003637.exe 98 PID 4080 wrote to memory of 1544 4080 Bestellung - 021224 - 901003637.exe 98 PID 4080 wrote to memory of 1544 4080 Bestellung - 021224 - 901003637.exe 98 PID 4080 wrote to memory of 1544 4080 Bestellung - 021224 - 901003637.exe 98 PID 4080 wrote to memory of 1544 4080 Bestellung - 021224 - 901003637.exe 98 PID 1544 wrote to memory of 4440 1544 Bestellung - 021224 - 901003637.exe 99 PID 1544 wrote to memory of 4440 1544 Bestellung - 021224 - 901003637.exe 99 PID 1544 wrote to memory of 4440 1544 Bestellung - 021224 - 901003637.exe 99 PID 1544 wrote to memory of 316 1544 Bestellung - 021224 - 901003637.exe 101 PID 1544 wrote to memory of 316 1544 Bestellung - 021224 - 901003637.exe 101 PID 1544 wrote to memory of 316 1544 Bestellung - 021224 - 901003637.exe 101 PID 316 wrote to memory of 4768 316 outlooks.exe 104 PID 316 wrote to memory of 4768 316 outlooks.exe 104 PID 316 wrote to memory of 4768 316 outlooks.exe 104 PID 316 wrote to memory of 4720 316 outlooks.exe 106 PID 316 wrote to memory of 4720 316 outlooks.exe 106 PID 316 wrote to memory of 4720 316 outlooks.exe 106 PID 316 wrote to memory of 2084 316 outlooks.exe 108 PID 316 wrote to memory of 2084 316 outlooks.exe 108 PID 316 wrote to memory of 2084 316 outlooks.exe 108 PID 316 wrote to memory of 4280 316 outlooks.exe 110 PID 316 wrote to memory of 4280 316 outlooks.exe 110 PID 316 wrote to memory of 4280 316 outlooks.exe 110 PID 316 wrote to memory of 4280 316 outlooks.exe 110 PID 316 wrote to memory of 4280 316 outlooks.exe 110 PID 316 wrote to memory of 4280 316 outlooks.exe 110 PID 316 wrote to memory of 4280 316 outlooks.exe 110 PID 316 wrote to memory of 4280 316 outlooks.exe 110 PID 4280 wrote to memory of 1500 4280 outlooks.exe 111 PID 4280 wrote to memory of 1500 4280 outlooks.exe 111 PID 4280 wrote to memory of 1500 4280 outlooks.exe 111
Processes
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C:\Users\Admin\AppData\Local\Temp\Bestellung - 021224 - 901003637.exe"C:\Users\Admin\AppData\Local\Temp\Bestellung - 021224 - 901003637.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4080 -
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\Bestellung - 021224 - 901003637.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3372
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eNuXmIwkixzW.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1724
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eNuXmIwkixzW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBC99.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1276
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C:\Users\Admin\AppData\Local\Temp\Bestellung - 021224 - 901003637.exe"C:\Users\Admin\AppData\Local\Temp\Bestellung - 021224 - 901003637.exe"2⤵PID:3536
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C:\Users\Admin\AppData\Local\Temp\Bestellung - 021224 - 901003637.exe"C:\Users\Admin\AppData\Local\Temp\Bestellung - 021224 - 901003637.exe"2⤵PID:3920
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C:\Users\Admin\AppData\Local\Temp\Bestellung - 021224 - 901003637.exe"C:\Users\Admin\AppData\Local\Temp\Bestellung - 021224 - 901003637.exe"2⤵PID:1144
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C:\Users\Admin\AppData\Local\Temp\Bestellung - 021224 - 901003637.exe"C:\Users\Admin\AppData\Local\Temp\Bestellung - 021224 - 901003637.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1544 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Outlooks" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\WindowsUpdates\outlooks.exe" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4440
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C:\Users\Admin\AppData\Roaming\WindowsUpdates\outlooks.exe"C:\Users\Admin\AppData\Roaming\WindowsUpdates\outlooks.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:316 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WindowsUpdates\outlooks.exe"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4768
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eNuXmIwkixzW.exe"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4720
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eNuXmIwkixzW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA9.tmp"4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2084
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C:\Users\Admin\AppData\Roaming\WindowsUpdates\outlooks.exe"C:\Users\Admin\AppData\Roaming\WindowsUpdates\outlooks.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Outlooks" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\WindowsUpdates\outlooks.exe" /rl HIGHEST /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bestellung - 021224 - 901003637.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5cfe06049ad5a5e5f8636c513454ad9c5
SHA1ee57e436c72454a1d816de0408e419d3c0ca80ff
SHA2568b0750765a96ab6ca3f3dc1b562e5e79b2fe4a796ed99cbeaf35c5b51d6bab68
SHA512d426ece48cef015c7c425a0f93c5a22ceb4a5f4953582ecfc48dbd1bb2ae10cc39cf402696b30d0637b6a3456878260f379b19e0cbb7ba346de14c4c1b18359c
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Filesize
18KB
MD59242a330a4840fdc95e8771da8e02939
SHA1f0ab5ca8c1fc26474f87456ee56a2152a5317f0f
SHA2560c726b6a652e1b0db2942a4a9f325c60043508c3f13c65a1dfbd5202d35e8393
SHA512df599707b5879e7fd47b45995632b5399f7a7f6c718dc19985db98c0ed2f2abef1a1b9a0e9903d0c2dd8184964ca7248809bb99b09092e69ae34877b3119763c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5db5eaef32fa684b9b75b9f36fd0cf1cf
SHA1cceb001be3d4572c7085c77fcdc26a0620e495bc
SHA2564885fe7a2de46559607d059d8142cdda52eadf10744f63b13b75e26162e12c17
SHA5129a558fe81c737c55ed31f7e97d3df3f2e3738fb6554f992c56bd9f75f4c186e792c2d2948832ed72fbd9f03658a336f35d5e4d707fa656d08cf805da9cd7dce6
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Filesize
3.7MB
MD515f259b30ec72a5217144834f7f5b564
SHA1baed3fe7d059a497f856e263431ccd3872ef1ea1
SHA25601de053d9560d419f0b6c35dbddb1175eb1fd7a21450989332024b812d39c4c2
SHA5125e1148a9cf8008b7c38d067ec34e5c3bc7255341d114476532f8111ea2c3e654eb70b0a439aaaea22543576f09b9cec269f9b3414a6a24fc54b89c7c677c5f47