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
pid Process 2000 cmd.exe -
Loads dropped DLL 4 IoCs
pid 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
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.
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.
description 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
pid Process 1412 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1492 16448b008bef72f524b821b37de3bcca.exe 1492 16448b008bef72f524b821b37de3bcca.exe 1492 16448b008bef72f524b821b37de3bcca.exe 1492 16448b008bef72f524b821b37de3bcca.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1412 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description 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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