Analysis
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max time kernel
145s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
14-03-2024 12:07
Behavioral task
behavioral1
Sample
awfasf.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
awfasf.exe
Resource
win10v2004-20240226-en
General
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Target
awfasf.exe
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Size
68KB
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MD5
c3e87d5de68cefd51bdd950b3d6c488b
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SHA1
78086f01b5aacf7f7bd13e62d842f0e89b36662a
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SHA256
2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4
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SHA512
6929ae82a700e55d953c753b7aff2c8e4db0717a18bbc20bd502223a8dd17d5dce1ea4e2d9c081206826a4c006285b2a26042e8bf8e3110ae03d517048279962
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SSDEEP
768:BCB8S+OR7dOahyoHokBtqN74W7bZZmYb9PyzcjRlYlwa6NVdkPnJJMIWV:BHJaAoHoc2x7bZoYBAcQlwJdMq
Malware Config
Signatures
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RunningRat
RunningRat is a remote access trojan first seen in 2018.
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RunningRat payload 1 IoCs
resource yara_rule behavioral1/memory/1720-0-0x0000000010000000-0x000000001000F000-memory.dmp family_runningrat -
Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SANETRUDDL\Parameters\ServiceDll = "C:\\Windows\\system32\\259393501.dll" awfasf.exe -
Executes dropped EXE 1 IoCs
pid Process 1696 SANETRUDDL.exe -
Loads dropped DLL 7 IoCs
pid Process 1720 awfasf.exe 2944 svchost.exe 2944 svchost.exe 1696 SANETRUDDL.exe 1696 SANETRUDDL.exe 1696 SANETRUDDL.exe 1696 SANETRUDDL.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\259393501.dll awfasf.exe File opened for modification C:\Windows\SysWOW64\ini.ini awfasf.exe File created C:\Windows\SysWOW64\SANETRUDDL.exe svchost.exe File opened for modification C:\Windows\SysWOW64\SANETRUDDL.exe svchost.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2944 wrote to memory of 1696 2944 svchost.exe 30 PID 2944 wrote to memory of 1696 2944 svchost.exe 30 PID 2944 wrote to memory of 1696 2944 svchost.exe 30 PID 2944 wrote to memory of 1696 2944 svchost.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\awfasf.exe"C:\Users\Admin\AppData\Local\Temp\awfasf.exe"1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
PID:1720
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SANETRUDDL"1⤵PID:2936
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SANETRUDDL"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Windows\SysWOW64\SANETRUDDL.exeC:\Windows\system32\SANETRUDDL.exe "c:\windows\system32\259393501.dll",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1696
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
37KB
MD5e91411cdca4dee61ce438061f5cee185
SHA1f7c44e3ed45512121403f785c29a134d9340436e
SHA2569ec4c139106564e9b3c659a0085e7e7539dbb5748262d2cd65bdb2950fdbaaf8
SHA51288994f1630e3a72c9d73ce78810e6d95887adc557803b46a411a2a51361f8caa35091028327bae02839619a24a47d1c94bbeb1c1c77b3078f9d32bad9c6b7020