Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
28-12-2020 17:05
Static task
static1
Behavioral task
behavioral1
Sample
da0baba4a78ada89b12bb09154ce8845.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
da0baba4a78ada89b12bb09154ce8845.exe
Resource
win10v20201028
General
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Target
da0baba4a78ada89b12bb09154ce8845.exe
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Size
594KB
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MD5
da0baba4a78ada89b12bb09154ce8845
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SHA1
3093fb1feace2a89311923c283083e61ef47cde8
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SHA256
c96f35457cc26c36104f053cb445c0835ead6434c3ce57adaae7911b2ab51d5c
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SHA512
932709db0d24285e220253bbb0262322dbd567fc77888541a0664d1604eae3221017471c0b401be1196a3fd428c03d28153a2a41cf89482465485ab93d8ae527
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3952-11-0x0000000006D00000-0x0000000006D24000-memory.dmp family_redline behavioral2/memory/3952-13-0x0000000006EC0000-0x0000000006EE2000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
bestof.exepid process 3952 bestof.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe upx C:\Users\Admin\AppData\Roaming\leadentop\bestof.exe upx -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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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 17 ip-api.com -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
da0baba4a78ada89b12bb09154ce8845.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 da0baba4a78ada89b12bb09154ce8845.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString da0baba4a78ada89b12bb09154ce8845.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bestof.exedescription pid process Token: SeDebugPrivilege 3952 bestof.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
da0baba4a78ada89b12bb09154ce8845.exedescription pid process target process PID 744 wrote to memory of 3952 744 da0baba4a78ada89b12bb09154ce8845.exe bestof.exe PID 744 wrote to memory of 3952 744 da0baba4a78ada89b12bb09154ce8845.exe bestof.exe PID 744 wrote to memory of 3952 744 da0baba4a78ada89b12bb09154ce8845.exe bestof.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\da0baba4a78ada89b12bb09154ce8845.exe"C:\Users\Admin\AppData\Local\Temp\da0baba4a78ada89b12bb09154ce8845.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Users\Admin\AppData\Roaming\leadentop\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3952
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
ce62304c3eff639e1b2352667a569b8a
SHA15a5cb774b59befe102fe04e93d9853cfbda3334b
SHA256e8356fad49709d2563d2707dbb09f4f1019e30a0ff5836047a11b3d1d84f4d62
SHA51299d77537f2fade1ca2255c16fcd5d64618f0364f15cddb1b6a48814c9a7e59ccdac72db7f0a1cf4b0eac63180264fd58989e43839373d085ecb42ad2b9fe6f41
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MD5
ce62304c3eff639e1b2352667a569b8a
SHA15a5cb774b59befe102fe04e93d9853cfbda3334b
SHA256e8356fad49709d2563d2707dbb09f4f1019e30a0ff5836047a11b3d1d84f4d62
SHA51299d77537f2fade1ca2255c16fcd5d64618f0364f15cddb1b6a48814c9a7e59ccdac72db7f0a1cf4b0eac63180264fd58989e43839373d085ecb42ad2b9fe6f41