Analysis
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max time kernel
15s -
max time network
13s -
platform
windows7_x64 -
resource
win7 -
submitted
12-09-2020 14:09
Static task
static1
Behavioral task
behavioral1
Sample
16448b008bef72f524b821b37de3bcca.exe
Resource
win7
General
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Target
16448b008bef72f524b821b37de3bcca.exe
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Size
435KB
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MD5
16448b008bef72f524b821b37de3bcca
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SHA1
ee6451654e2de568b80d4fb480978a2c481f640c
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SHA256
a8ca93adc4384dc66b6c8c6034ae5942d29d0aa5291f35d4b80189413d64f76c
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SHA512
4a9fcbc52a0a22b6bfe52ddb9b03e62538abda8158e1029e4f9bd6b41a4cc9c9c4a6453e84193d09b67819ff713a286641fcdf398b967d0c0727ebffbf99ac70
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
cmd.exepid Process 2000 cmd.exe -
Loads dropped DLL 4 IoCs
Processes:
16448b008bef72f524b821b37de3bcca.exepid Process 1492 16448b008bef72f524b821b37de3bcca.exe 1492 16448b008bef72f524b821b37de3bcca.exe 1492 16448b008bef72f524b821b37de3bcca.exe 1492 16448b008bef72f524b821b37de3bcca.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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JavaScript code in executable 1 IoCs
Processes:
resource yara_rule behavioral1/files/0x00030000000131b7-3.dat js -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 ip-api.com -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
16448b008bef72f524b821b37de3bcca.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 16448b008bef72f524b821b37de3bcca.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 16448b008bef72f524b821b37de3bcca.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 1412 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
16448b008bef72f524b821b37de3bcca.exepid Process 1492 16448b008bef72f524b821b37de3bcca.exe 1492 16448b008bef72f524b821b37de3bcca.exe 1492 16448b008bef72f524b821b37de3bcca.exe 1492 16448b008bef72f524b821b37de3bcca.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 1412 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
16448b008bef72f524b821b37de3bcca.execmd.exedescription pid Process procid_target PID 1492 wrote to memory of 2000 1492 16448b008bef72f524b821b37de3bcca.exe 30 PID 1492 wrote to memory of 2000 1492 16448b008bef72f524b821b37de3bcca.exe 30 PID 1492 wrote to memory of 2000 1492 16448b008bef72f524b821b37de3bcca.exe 30 PID 1492 wrote to memory of 2000 1492 16448b008bef72f524b821b37de3bcca.exe 30 PID 2000 wrote to memory of 1412 2000 cmd.exe 32 PID 2000 wrote to memory of 1412 2000 cmd.exe 32 PID 2000 wrote to memory of 1412 2000 cmd.exe 32 PID 2000 wrote to memory of 1412 2000 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\16448b008bef72f524b821b37de3bcca.exe"C:\Users\Admin\AppData\Local\Temp\16448b008bef72f524b821b37de3bcca.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im 16448b008bef72f524b821b37de3bcca.exe /f & erase C:\Users\Admin\AppData\Local\Temp\16448b008bef72f524b821b37de3bcca.exe & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im 16448b008bef72f524b821b37de3bcca.exe /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1412
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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MD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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MD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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MD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f