Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 14:02
Behavioral task
behavioral1
Sample
hdpengon.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
hdpengon.exe
Resource
win11ltsc2024-20260629-en
10 signatures
150 seconds
General
- Target hdpengon.exe
- Size 45KB
- Sample260702-rb33escx9m
- SHA256 09a14d996228df473d9548c6f0eb2b2cf31325b881a09c2799812e4592889842
- MD5 8f1da756e32c824bb0173f86a5fc3ff9
- SHA1 77c0db9d3a4f0d312e24f3a31d391269585a7bdc
- SHA512 0582f4e044c478b2b030e69145881cb378203d29bea5a6ed5282da60e73d22c7d2d58c36439d0364f34bb90507731c8c723b1b6da7a79022bf2d0c28261e12bd
- SSDEEP 768:xuyJNTAoZjRWUJd9bmo2qLiv8T0G0zHuPI5zjbPgmiZoB1fCJIBDZex:xuyJNTAGL2hvNr353b4PZmCJudex
- TLSH T12F232B0037E8C12BF2BE4FB8A8F26145867AF5637603D54E1CC451D75623BC69A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
steffiwolf.mobi
C2
-
steffiwolf.mobi:8443
-
steffiwolf.mobi:81
-
steffiwolf.mobi:7878
-
steffiwolf.mobi:8787
-
steffiwolf.mobi:6789
Mutex
-
ASB0uNk5Ttz0
Attributes
-
delay
3
-
install
true
-
install_file
svchost.exe
-
install_folder
%AppData%
aes.plain
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001c5c7-11.dat family_asyncrat - Executes dropped EXE 2 IoCs
pid Process 2952 svchost.exe 2340 svchost.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hdpengon.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 2080 timeout.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 236 schtasks.exe - Suspicious behavior: EnumeratesProcesses 29 IoCs
pid Process 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe 4792 hdpengon.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4792 hdpengon.exe Token: SeDebugPrivilege 2952 svchost.exe Token: SeDebugPrivilege 2952 svchost.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4792 wrote to memory of 1224 4792 hdpengon.exe 89 PID 4792 wrote to memory of 3400 4792 hdpengon.exe 91 PID 1224 wrote to memory of 236 1224 cmd.exe 93 PID 3400 wrote to memory of 2080 3400 cmd.exe 94 PID 3400 wrote to memory of 2340 3400 cmd.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\hdpengon.exe"C:\Users\Admin\AppData\Local\Temp\hdpengon.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:236
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp64BB.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2080
-
-
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2340
-
-
-
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2952
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:3896
-
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵PID:3140
-
-
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵PID:1344
-
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:2412
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
- Size 599B
- SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
- MD5 658ab8c32d4cc5deb36ac5f63da4658b
- SHA1 30c12cd871ff0c2c4098d794e9ae4f2540586813
- SHA512 a73030c008ef3c2e274f11c90bfe79fa8ae402f76801c710bed8cc1ab1218a84858ea566b772be4bade8ef639a019c57d297028df15b64b3753482cf0f3c8f85
- TLSH T12AF05C83EB6A1B72C456123DC8EE56E47B31D1846EC11367A2107B1D3C2B7192D174BD
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\tmp64BB.tmp.bat
- Size 151B
- SHA256 affd3535a11f2ff0514eb71bb6a0f9c8a54e66273edcbbcc472c551d99b0d905
- MD5 56241be1282b6a0759dd58e770cbf141
- SHA1 21c76270580f207902957b33c853ba55ed97bc51
- SHA512 c00c2e119574b3ca45be581f4f095f9af52548f238bb776565d7204d8d594b8a4c52898ee94243bfcc74ec8dfa6d284af050e96fc3865a8fce3ef1d43c1fb9cf
- TLSH T1E7C02B4261C5EA0E2905149702FBD58D92B2AC1D3F40BFC0C348401D638044DF4EA345
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\svchost.exe
- Size 45KB
- SHA256 09a14d996228df473d9548c6f0eb2b2cf31325b881a09c2799812e4592889842
- MD5 8f1da756e32c824bb0173f86a5fc3ff9
- SHA1 77c0db9d3a4f0d312e24f3a31d391269585a7bdc
- SHA512 0582f4e044c478b2b030e69145881cb378203d29bea5a6ed5282da60e73d22c7d2d58c36439d0364f34bb90507731c8c723b1b6da7a79022bf2d0c28261e12bd
- SSDEEP 768:xuyJNTAoZjRWUJd9bmo2qLiv8T0G0zHuPI5zjbPgmiZoB1fCJIBDZex:xuyJNTAGL2hvNr353b4PZmCJudex
- TLSH T12F232B0037E8C12BF2BE4FB8A8F26145867AF5637603D54E1CC451D75623BC69A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH