Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
10/12/2024, 06:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe
Resource
win7-20240903-en
11 signatures
150 seconds
General
- Target a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe
- Size 174KB
- Sample241210-hfe2qaskbp
- SHA256 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68
- MD5 738ce05fd101df895a9f94194c780b9f
- SHA1 08515188d79a00dcfe46d2fd3aabe507a5da32c0
- SHA512 9d3b15a340445220b994070efae6a9b3b08dfdcbc3926eacacd251c7cefab436ed100853487f8cf8f52a4d1fd382efd73391ca6894d4c0f7b38397c8208202ab
- SSDEEP 3072:BUjKL04BXtB57iecsOv7lzIAKddLhVcDjgOzzH9P2kYiy3MeKXRPCc96Rd/:Bcct1czz+rdLh4jRzH9ukY6eKXRPCnd/
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
xenorat
C2
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dns.stipamana.com
Mutex
-
Xeno_rat_nd8912d
Attributes
-
delay
12000
-
install_path
appdata
-
port
4567
-
startup_name
mrec
Signatures
- Detect XenoRat Payload 1 IoCs
resource yara_rule behavioral2/memory/2260-9-0x0000000000400000-0x0000000000412000-memory.dmp family_xenorat - Xenorat family
- 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe - Executes dropped EXE 4 IoCs
pid Process 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 2236 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 380 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 1152 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe - Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 4488 set thread context of 2260 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 82 PID 4488 set thread context of 1584 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 83 PID 4488 set thread context of 5080 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 84 PID 1296 set thread context of 2236 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 86 PID 1296 set thread context of 380 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 87 PID 1296 set thread context of 1152 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 88 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
pid pid_target Process procid_target 2932 380 WerFault.exe 87 2396 2236 WerFault.exe 86 - 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 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.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 3548 schtasks.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe Token: SeDebugPrivilege 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe - Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 4488 wrote to memory of 2260 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 82 PID 4488 wrote to memory of 2260 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 82 PID 4488 wrote to memory of 2260 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 82 PID 4488 wrote to memory of 2260 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 82 PID 4488 wrote to memory of 2260 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 82 PID 4488 wrote to memory of 2260 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 82 PID 4488 wrote to memory of 2260 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 82 PID 4488 wrote to memory of 2260 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 82 PID 4488 wrote to memory of 1584 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 83 PID 4488 wrote to memory of 1584 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 83 PID 4488 wrote to memory of 1584 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 83 PID 4488 wrote to memory of 1584 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 83 PID 4488 wrote to memory of 1584 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 83 PID 4488 wrote to memory of 1584 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 83 PID 4488 wrote to memory of 1584 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 83 PID 4488 wrote to memory of 1584 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 83 PID 4488 wrote to memory of 5080 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 84 PID 4488 wrote to memory of 5080 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 84 PID 4488 wrote to memory of 5080 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 84 PID 4488 wrote to memory of 5080 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 84 PID 4488 wrote to memory of 5080 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 84 PID 4488 wrote to memory of 5080 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 84 PID 4488 wrote to memory of 5080 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 84 PID 4488 wrote to memory of 5080 4488 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 84 PID 5080 wrote to memory of 1296 5080 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 85 PID 5080 wrote to memory of 1296 5080 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 85 PID 5080 wrote to memory of 1296 5080 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 85 PID 1296 wrote to memory of 2236 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 86 PID 1296 wrote to memory of 2236 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 86 PID 1296 wrote to memory of 2236 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 86 PID 1296 wrote to memory of 2236 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 86 PID 1296 wrote to memory of 2236 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 86 PID 1296 wrote to memory of 2236 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 86 PID 1296 wrote to memory of 2236 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 86 PID 1296 wrote to memory of 2236 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 86 PID 1296 wrote to memory of 380 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 87 PID 1296 wrote to memory of 380 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 87 PID 1296 wrote to memory of 380 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 87 PID 1296 wrote to memory of 380 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 87 PID 1296 wrote to memory of 380 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 87 PID 1296 wrote to memory of 380 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 87 PID 1296 wrote to memory of 380 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 87 PID 1296 wrote to memory of 380 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 87 PID 1296 wrote to memory of 1152 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 88 PID 1296 wrote to memory of 1152 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 88 PID 1296 wrote to memory of 1152 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 88 PID 1296 wrote to memory of 1152 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 88 PID 1296 wrote to memory of 1152 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 88 PID 1296 wrote to memory of 1152 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 88 PID 1296 wrote to memory of 1152 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 88 PID 1296 wrote to memory of 1152 1296 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 88 PID 1584 wrote to memory of 3548 1584 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 99 PID 1584 wrote to memory of 3548 1584 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 99 PID 1584 wrote to memory of 3548 1584 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe"C:\Users\Admin\AppData\Local\Temp\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Users\Admin\AppData\Local\Temp\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exeC:\Users\Admin\AppData\Local\Temp\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe2⤵
- System Location Discovery: System Language Discovery
PID:2260
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C:\Users\Admin\AppData\Local\Temp\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exeC:\Users\Admin\AppData\Local\Temp\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1584 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC97A.tmp" /F3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3548
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C:\Users\Admin\AppData\Local\Temp\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exeC:\Users\Admin\AppData\Local\Temp\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Users\Admin\AppData\Roaming\UpdateManager\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe"C:\Users\Admin\AppData\Roaming\UpdateManager\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1296 -
C:\Users\Admin\AppData\Roaming\UpdateManager\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exeC:\Users\Admin\AppData\Roaming\UpdateManager\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe4⤵
- Executes dropped EXE
PID:2236 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 805⤵
- Program crash
PID:2396
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-
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C:\Users\Admin\AppData\Roaming\UpdateManager\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exeC:\Users\Admin\AppData\Roaming\UpdateManager\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe4⤵
- Executes dropped EXE
PID:380 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 380 -s 805⤵
- Program crash
PID:2932
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C:\Users\Admin\AppData\Roaming\UpdateManager\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exeC:\Users\Admin\AppData\Roaming\UpdateManager\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2236 -ip 22361⤵PID:32
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 380 -ip 3801⤵PID:4956
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe.log
- Size 706B
- SHA256 0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339
- MD5 d95c58e609838928f0f49837cab7dfd2
- SHA1 55e7139a1e3899195b92ed8771d1ca2c7d53c916
- SHA512 405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpC97A.tmp
- Size 1KB
- SHA256 c26a596b205afc7cbf378a69abe7bf18a22fab2063a06f42099ba4d614925e4b
- MD5 0aa5f09b33684ece58752cba6b0fc0b9
- SHA1 d666c354b450fb74ef8a2e18de630908739a3bfa
- SHA512 425601a1d31411a1a63836922fcbbff2e132d4a8ab627cac529210856cbb0c132b359abd631618ef431d4cc1f846a84dfe8303e7641757e44b9c8f61f667cf33
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\UpdateManager\a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68.exe
- Size 174KB
- SHA256 a4fec84817659fd95a1cfca90d750f64da249942cb660fb735f76e6d66fd7c68
- MD5 738ce05fd101df895a9f94194c780b9f
- SHA1 08515188d79a00dcfe46d2fd3aabe507a5da32c0
- SHA512 9d3b15a340445220b994070efae6a9b3b08dfdcbc3926eacacd251c7cefab436ed100853487f8cf8f52a4d1fd382efd73391ca6894d4c0f7b38397c8208202ab
- SSDEEP 3072:BUjKL04BXtB57iecsOv7lzIAKddLhVcDjgOzzH9P2kYiy3MeKXRPCc96Rd/:Bcct1czz+rdLh4jRzH9ukY6eKXRPCnd/
- MD5 SHA1 SHA512 SSDEEP