Analysis
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max time kernel
29s -
max time network
29s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
02-11-2020 09:16
Static task
static1
Behavioral task
behavioral1
Sample
07866fa1dcbca77e3bbf176946aace2f.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
07866fa1dcbca77e3bbf176946aace2f.exe
Resource
win10v20201028
General
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Target
07866fa1dcbca77e3bbf176946aace2f.exe
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Size
667KB
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MD5
07866fa1dcbca77e3bbf176946aace2f
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SHA1
eb70ddecafd9dec934b287086db2599491920416
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SHA256
4f96ce12b843720f2e1bee34e657bd4a7c04c4e7891ce66de0367a3e786f2375
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SHA512
03700c5f5f78cbd4c77451b25fee0007da0c2aba01080b536f9ddb05585183ad3eadd0612d4339b2d18bc4be1266336d222a0d9880501fb422407d0de8e98874
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 4 IoCs
Processes:
resource yara_rule behavioral1/memory/764-15-0x0000000000340000-0x0000000000364000-memory.dmp family_redline behavioral1/memory/764-19-0x0000000000520000-0x0000000000542000-memory.dmp family_redline behavioral1/memory/1920-24-0x00000000023A0000-0x00000000023C4000-memory.dmp family_redline behavioral1/memory/1920-30-0x0000000003D30000-0x0000000003D52000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
Processes:
bestof.exebestofd.exepid process 1996 bestof.exe 1920 bestofd.exe -
Loads dropped DLL 2 IoCs
Processes:
07866fa1dcbca77e3bbf176946aace2f.exepid process 2036 07866fa1dcbca77e3bbf176946aace2f.exe 2036 07866fa1dcbca77e3bbf176946aace2f.exe -
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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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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 10 ip-api.com 15 checkip.amazonaws.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bestof.exedescription pid process target process PID 1996 set thread context of 764 1996 bestof.exe AddInProcess32.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
07866fa1dcbca77e3bbf176946aace2f.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 07866fa1dcbca77e3bbf176946aace2f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 07866fa1dcbca77e3bbf176946aace2f.exe -
Processes:
07866fa1dcbca77e3bbf176946aace2f.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 07866fa1dcbca77e3bbf176946aace2f.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 07866fa1dcbca77e3bbf176946aace2f.exe -
Runs ping.exe 1 TTPs 2 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
AddInProcess32.exebestofd.exepid process 764 AddInProcess32.exe 764 AddInProcess32.exe 1920 bestofd.exe 1920 bestofd.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
bestof.exeAddInProcess32.exebestofd.exedescription pid process Token: SeDebugPrivilege 1996 bestof.exe Token: SeDebugPrivilege 764 AddInProcess32.exe Token: SeDebugPrivilege 1920 bestofd.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
07866fa1dcbca77e3bbf176946aace2f.exebestof.exebestofd.execmd.exeAddInProcess32.execmd.exedescription pid process target process PID 2036 wrote to memory of 1996 2036 07866fa1dcbca77e3bbf176946aace2f.exe bestof.exe PID 2036 wrote to memory of 1996 2036 07866fa1dcbca77e3bbf176946aace2f.exe bestof.exe PID 2036 wrote to memory of 1996 2036 07866fa1dcbca77e3bbf176946aace2f.exe bestof.exe PID 2036 wrote to memory of 1996 2036 07866fa1dcbca77e3bbf176946aace2f.exe bestof.exe PID 1996 wrote to memory of 764 1996 bestof.exe AddInProcess32.exe PID 1996 wrote to memory of 764 1996 bestof.exe AddInProcess32.exe PID 1996 wrote to memory of 764 1996 bestof.exe AddInProcess32.exe PID 1996 wrote to memory of 764 1996 bestof.exe AddInProcess32.exe PID 1996 wrote to memory of 764 1996 bestof.exe AddInProcess32.exe PID 1996 wrote to memory of 764 1996 bestof.exe AddInProcess32.exe PID 1996 wrote to memory of 764 1996 bestof.exe AddInProcess32.exe PID 1996 wrote to memory of 764 1996 bestof.exe AddInProcess32.exe PID 1996 wrote to memory of 764 1996 bestof.exe AddInProcess32.exe PID 1996 wrote to memory of 764 1996 bestof.exe AddInProcess32.exe PID 2036 wrote to memory of 1920 2036 07866fa1dcbca77e3bbf176946aace2f.exe bestofd.exe PID 2036 wrote to memory of 1920 2036 07866fa1dcbca77e3bbf176946aace2f.exe bestofd.exe PID 2036 wrote to memory of 1920 2036 07866fa1dcbca77e3bbf176946aace2f.exe bestofd.exe PID 2036 wrote to memory of 1920 2036 07866fa1dcbca77e3bbf176946aace2f.exe bestofd.exe PID 1920 wrote to memory of 1520 1920 bestofd.exe cmd.exe PID 1920 wrote to memory of 1520 1920 bestofd.exe cmd.exe PID 1920 wrote to memory of 1520 1920 bestofd.exe cmd.exe PID 1920 wrote to memory of 1520 1920 bestofd.exe cmd.exe PID 1520 wrote to memory of 1120 1520 cmd.exe PING.EXE PID 1520 wrote to memory of 1120 1520 cmd.exe PING.EXE PID 1520 wrote to memory of 1120 1520 cmd.exe PING.EXE PID 1520 wrote to memory of 1120 1520 cmd.exe PING.EXE PID 764 wrote to memory of 844 764 AddInProcess32.exe cmd.exe PID 764 wrote to memory of 844 764 AddInProcess32.exe cmd.exe PID 764 wrote to memory of 844 764 AddInProcess32.exe cmd.exe PID 764 wrote to memory of 844 764 AddInProcess32.exe cmd.exe PID 844 wrote to memory of 1400 844 cmd.exe PING.EXE PID 844 wrote to memory of 1400 844 cmd.exe PING.EXE PID 844 wrote to memory of 1400 844 cmd.exe PING.EXE PID 844 wrote to memory of 1400 844 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\07866fa1dcbca77e3bbf176946aace2f.exe"C:\Users\Admin\AppData\Local\Temp\07866fa1dcbca77e3bbf176946aace2f.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 35⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exebestofd.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 34⤵
- Runs ping.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exeMD5
b77a1d58626a5d4a77202afbf717accb
SHA11a37bf11e2b75384785d05780fe17fe1167bfbb1
SHA256a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13
SHA512d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exeMD5
b77a1d58626a5d4a77202afbf717accb
SHA11a37bf11e2b75384785d05780fe17fe1167bfbb1
SHA256a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13
SHA512d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exeMD5
72131adb0e2315281aae445db11e09a2
SHA1712ca2ebaa7d9bc9bbe18f7843954cfb0d22b08e
SHA2569ea7a66f0c3dc13ddfc6f05d95049dd7f641053a380578a12013db9f72367f65
SHA512bbc68fa0c586aaa7227da59848407672e7629e8f1289384add8638c21bab69d41495bcfc7881446b527e5aa4db14e1babc4f71dfee32b69705e6d3b64bf46a22
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\Users\Admin\AppData\Roaming\gfersesurity\bestof.exeMD5
b77a1d58626a5d4a77202afbf717accb
SHA11a37bf11e2b75384785d05780fe17fe1167bfbb1
SHA256a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13
SHA512d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26
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\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exeMD5
72131adb0e2315281aae445db11e09a2
SHA1712ca2ebaa7d9bc9bbe18f7843954cfb0d22b08e
SHA2569ea7a66f0c3dc13ddfc6f05d95049dd7f641053a380578a12013db9f72367f65
SHA512bbc68fa0c586aaa7227da59848407672e7629e8f1289384add8638c21bab69d41495bcfc7881446b527e5aa4db14e1babc4f71dfee32b69705e6d3b64bf46a22
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memory/764-13-0x00000000020A0000-0x00000000020B1000-memory.dmpFilesize
68KB
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memory/764-19-0x0000000000520000-0x0000000000542000-memory.dmpFilesize
136KB
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memory/764-15-0x0000000000340000-0x0000000000364000-memory.dmpFilesize
144KB
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memory/764-14-0x0000000074760000-0x0000000074E4E000-memory.dmpFilesize
6.9MB
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memory/764-10-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/764-11-0x000000000040CD2F-mapping.dmp
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memory/764-12-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/844-33-0x0000000000000000-mapping.dmp
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memory/1120-32-0x0000000000000000-mapping.dmp
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memory/1400-34-0x0000000000000000-mapping.dmp
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memory/1520-31-0x0000000000000000-mapping.dmp
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memory/1636-2-0x000007FEF7E60000-0x000007FEF80DA000-memory.dmpFilesize
2.5MB
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memory/1920-22-0x0000000003DF0000-0x0000000003E01000-memory.dmpFilesize
68KB
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memory/1920-17-0x0000000000000000-mapping.dmp
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memory/1920-20-0x00000000023F9000-0x00000000023FA000-memory.dmpFilesize
4KB
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memory/1920-21-0x0000000003BF0000-0x0000000003C01000-memory.dmpFilesize
68KB
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memory/1920-23-0x0000000074760000-0x0000000074E4E000-memory.dmpFilesize
6.9MB
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memory/1920-24-0x00000000023A0000-0x00000000023C4000-memory.dmpFilesize
144KB
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memory/1920-30-0x0000000003D30000-0x0000000003D52000-memory.dmpFilesize
136KB
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memory/1996-8-0x0000000000150000-0x0000000000151000-memory.dmpFilesize
4KB
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memory/1996-7-0x00000000747B0000-0x0000000074E9E000-memory.dmpFilesize
6.9MB
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memory/1996-4-0x0000000000000000-mapping.dmp
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memory/2036-0-0x0000000000274000-0x0000000000285000-memory.dmpFilesize
68KB
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memory/2036-1-0x0000000002630000-0x0000000002641000-memory.dmpFilesize
68KB