Analysis
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max time kernel
138s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230621-en -
resource tags
arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system -
submitted
03-07-2023 02:39
Static task
static1
Behavioral task
behavioral1
Sample
libcrypto-3.dll
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
libcrypto-3.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral3
Sample
saxbn.exe
Resource
win7-20230621-en
General
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Target
libcrypto-3.dll
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Size
102.3MB
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MD5
4bcb44a845417cafc7d9b26fe931ac3a
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SHA1
d47e4b9d732585e28ce229f7ef9bdd941fabea6e
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SHA256
dc5c197f147eeb7dc774653b80b1fc13a0bc1221eb0e942621bd1631ca2d0573
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SHA512
5a6e0a75ff7546a2f51c2dc57eb1dc18514439037d05d7f078a22793b4972d09aa3e77eef9edd17850671bcbb1359b8bf8ffd55d7765db20dd8ddde9d4d852eb
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SSDEEP
24576:7Yqgr+TBzrabXb8zsMbQrjQzeBa3q0LZdU0B9IwiPr6VoVVD83HNUJyPiOKLA:7ztzsM5n62U0BG76VoPuHNMy6
Malware Config
Signatures
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Detect Blackmoon payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/544-102-0x0000000000400000-0x0000000000426000-memory.dmp family_blackmoon behavioral1/memory/544-104-0x0000000000400000-0x0000000000426000-memory.dmp family_blackmoon behavioral1/memory/544-111-0x0000000000400000-0x0000000000426000-memory.dmp family_blackmoon -
Gh0st RAT payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1668-79-0x0000000010000000-0x0000000010015000-memory.dmp family_gh0strat -
Blocklisted process makes network request 44 IoCs
Processes:
cmd.exeflow pid process 2 1668 cmd.exe 3 1668 cmd.exe 6 1668 cmd.exe 8 1668 cmd.exe 10 1668 cmd.exe 12 1668 cmd.exe 13 1668 cmd.exe 15 1668 cmd.exe 17 1668 cmd.exe 19 1668 cmd.exe 21 1668 cmd.exe 23 1668 cmd.exe 25 1668 cmd.exe 26 1668 cmd.exe 27 1668 cmd.exe 28 1668 cmd.exe 29 1668 cmd.exe 31 1668 cmd.exe 38 1668 cmd.exe 40 1668 cmd.exe 42 1668 cmd.exe 48 1668 cmd.exe 50 1668 cmd.exe 52 1668 cmd.exe 54 1668 cmd.exe 56 1668 cmd.exe 58 1668 cmd.exe 59 1668 cmd.exe 61 1668 cmd.exe 63 1668 cmd.exe 65 1668 cmd.exe 67 1668 cmd.exe 68 1668 cmd.exe 70 1668 cmd.exe 72 1668 cmd.exe 74 1668 cmd.exe 76 1668 cmd.exe 78 1668 cmd.exe 79 1668 cmd.exe 81 1668 cmd.exe 83 1668 cmd.exe 85 1668 cmd.exe 87 1668 cmd.exe 88 1668 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exemecxzcaasxzcxcassascxcxcx23667.exepid process 544 secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe 428 mecxzcaasxzcxcassascxcxcx23667.exe -
Loads dropped DLL 7 IoCs
Processes:
rundll32.exeWerFault.exepid process 1680 rundll32.exe 1820 WerFault.exe 1820 WerFault.exe 1820 WerFault.exe 1820 WerFault.exe 1820 WerFault.exe 1680 rundll32.exe -
Drops file in System32 directory 3 IoCs
Processes:
rundll32.exedescription ioc process File created C:\Windows\SysWOW64\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe rundll32.exe File opened for modification C:\Windows\SysWOW64\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe rundll32.exe File created C:\Windows\SysWOW64\mecxzcaasxzcxcassascxcxcx23667.exe rundll32.exe -
Suspicious use of SetThreadContext 5 IoCs
Processes:
rundll32.exedescription pid process target process PID 1680 set thread context of 1668 1680 rundll32.exe cmd.exe PID 1680 set thread context of 648 1680 rundll32.exe cmd.exe PID 1680 set thread context of 1732 1680 rundll32.exe cmd.exe PID 1680 set thread context of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 1680 set thread context of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1820 544 WerFault.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 1680 rundll32.exe 1680 rundll32.exe 1680 rundll32.exe 1680 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exemecxzcaasxzcxcassascxcxcx23667.exepid process 544 secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe 428 mecxzcaasxzcxcassascxcxcx23667.exe -
Suspicious use of WriteProcessMemory 63 IoCs
Processes:
rundll32.exerundll32.exesecvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exedescription pid process target process PID 1324 wrote to memory of 1680 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 1680 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 1680 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 1680 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 1680 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 1680 1324 rundll32.exe rundll32.exe PID 1324 wrote to memory of 1680 1324 rundll32.exe rundll32.exe PID 1680 wrote to memory of 1668 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1668 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1668 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1668 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1668 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1668 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1668 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1668 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1668 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 648 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 648 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 648 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 648 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 648 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 648 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 648 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 648 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 648 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1732 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1732 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1732 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1732 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1732 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1732 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1732 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1732 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1732 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 1680 wrote to memory of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 1680 wrote to memory of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 1680 wrote to memory of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 1680 wrote to memory of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 1680 wrote to memory of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 1680 wrote to memory of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 1680 wrote to memory of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 1680 wrote to memory of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 1680 wrote to memory of 544 1680 rundll32.exe secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe PID 544 wrote to memory of 1820 544 secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe WerFault.exe PID 544 wrote to memory of 1820 544 secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe WerFault.exe PID 544 wrote to memory of 1820 544 secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe WerFault.exe PID 544 wrote to memory of 1820 544 secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe WerFault.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 428 1680 rundll32.exe mecxzcaasxzcxcassascxcxcx23667.exe PID 1680 wrote to memory of 1096 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1096 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1096 1680 rundll32.exe cmd.exe PID 1680 wrote to memory of 1096 1680 rundll32.exe cmd.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\libcrypto-3.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\libcrypto-3.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵
- Blocklisted process makes network request
PID:1668
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵PID:648
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵PID:1732
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C:\Windows\SysWOW64\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exeC:\Windows\SysWOW64\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 1324⤵
- Loads dropped DLL
- Program crash
PID:1820
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C:\Windows\SysWOW64\mecxzcaasxzcxcassascxcxcx23667.exeC:\Windows\SysWOW64\mecxzcaasxzcxcassascxcxcx23667.exe3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:428
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵PID:1096
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Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d