Analysis
-
max time kernel
30s -
max time network
26s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
02-11-2020 09:13
Static task
static1
Behavioral task
behavioral1
Sample
11d2577be7df1bee2931c1d27b56eac5.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
11d2577be7df1bee2931c1d27b56eac5.exe
Resource
win10v20201028
General
-
Target
11d2577be7df1bee2931c1d27b56eac5.exe
-
Size
667KB
-
MD5
11d2577be7df1bee2931c1d27b56eac5
-
SHA1
9cc5191d0761d74d6b34c4e89cb0ce06d133ae04
-
SHA256
20b8b1c1b7aa1a707819434f2ce27db4d8d2b613da99b491f94ad44db1d241e0
-
SHA512
d50a9356017650e28598a46a28c0bed59bf7d09c2bfd3375c2eedcd298dca19f2768aa42e8a8fb740d5887f6b9fcbfae27d9083c39ad87b4122bbf37dd16b961
Malware Config
Signatures
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1148-18-0x0000000000350000-0x0000000000374000-memory.dmp family_redline behavioral1/memory/1148-19-0x00000000003C0000-0x00000000003E2000-memory.dmp family_redline behavioral1/memory/1532-24-0x0000000003EE0000-0x0000000003F04000-memory.dmp family_redline behavioral1/memory/1532-25-0x0000000004060000-0x0000000004082000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
Processes:
bestof.exebestofd.exepid process 1908 bestof.exe 1532 bestofd.exe -
Loads dropped DLL 2 IoCs
Processes:
11d2577be7df1bee2931c1d27b56eac5.exepid process 2036 11d2577be7df1bee2931c1d27b56eac5.exe 2036 11d2577be7df1bee2931c1d27b56eac5.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Legitimate hosting services abused for malware hosting/C2 1 TTPs
-
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 9 ip-api.com 17 checkip.amazonaws.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bestof.exedescription pid process target process PID 1908 set thread context of 1148 1908 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:
11d2577be7df1bee2931c1d27b56eac5.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 11d2577be7df1bee2931c1d27b56eac5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 11d2577be7df1bee2931c1d27b56eac5.exe -
Processes:
11d2577be7df1bee2931c1d27b56eac5.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 11d2577be7df1bee2931c1d27b56eac5.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 11d2577be7df1bee2931c1d27b56eac5.exe -
Runs ping.exe 1 TTPs 2 IoCs
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
AddInProcess32.exebestofd.exepid process 1148 AddInProcess32.exe 1148 AddInProcess32.exe 1532 bestofd.exe 1532 bestofd.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
bestof.exeAddInProcess32.exebestofd.exedescription pid process Token: SeDebugPrivilege 1908 bestof.exe Token: SeDebugPrivilege 1148 AddInProcess32.exe Token: SeDebugPrivilege 1532 bestofd.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
11d2577be7df1bee2931c1d27b56eac5.exebestof.exeAddInProcess32.execmd.exebestofd.execmd.exedescription pid process target process PID 2036 wrote to memory of 1908 2036 11d2577be7df1bee2931c1d27b56eac5.exe bestof.exe PID 2036 wrote to memory of 1908 2036 11d2577be7df1bee2931c1d27b56eac5.exe bestof.exe PID 2036 wrote to memory of 1908 2036 11d2577be7df1bee2931c1d27b56eac5.exe bestof.exe PID 2036 wrote to memory of 1908 2036 11d2577be7df1bee2931c1d27b56eac5.exe bestof.exe PID 2036 wrote to memory of 1532 2036 11d2577be7df1bee2931c1d27b56eac5.exe bestofd.exe PID 2036 wrote to memory of 1532 2036 11d2577be7df1bee2931c1d27b56eac5.exe bestofd.exe PID 2036 wrote to memory of 1532 2036 11d2577be7df1bee2931c1d27b56eac5.exe bestofd.exe PID 2036 wrote to memory of 1532 2036 11d2577be7df1bee2931c1d27b56eac5.exe bestofd.exe PID 1908 wrote to memory of 1148 1908 bestof.exe AddInProcess32.exe PID 1908 wrote to memory of 1148 1908 bestof.exe AddInProcess32.exe PID 1908 wrote to memory of 1148 1908 bestof.exe AddInProcess32.exe PID 1908 wrote to memory of 1148 1908 bestof.exe AddInProcess32.exe PID 1908 wrote to memory of 1148 1908 bestof.exe AddInProcess32.exe PID 1908 wrote to memory of 1148 1908 bestof.exe AddInProcess32.exe PID 1908 wrote to memory of 1148 1908 bestof.exe AddInProcess32.exe PID 1908 wrote to memory of 1148 1908 bestof.exe AddInProcess32.exe PID 1908 wrote to memory of 1148 1908 bestof.exe AddInProcess32.exe PID 1908 wrote to memory of 1148 1908 bestof.exe AddInProcess32.exe PID 1148 wrote to memory of 1624 1148 AddInProcess32.exe cmd.exe PID 1148 wrote to memory of 1624 1148 AddInProcess32.exe cmd.exe PID 1148 wrote to memory of 1624 1148 AddInProcess32.exe cmd.exe PID 1148 wrote to memory of 1624 1148 AddInProcess32.exe cmd.exe PID 1624 wrote to memory of 920 1624 cmd.exe PING.EXE PID 1624 wrote to memory of 920 1624 cmd.exe PING.EXE PID 1624 wrote to memory of 920 1624 cmd.exe PING.EXE PID 1624 wrote to memory of 920 1624 cmd.exe PING.EXE PID 1532 wrote to memory of 1760 1532 bestofd.exe cmd.exe PID 1532 wrote to memory of 1760 1532 bestofd.exe cmd.exe PID 1532 wrote to memory of 1760 1532 bestofd.exe cmd.exe PID 1532 wrote to memory of 1760 1532 bestofd.exe cmd.exe PID 1760 wrote to memory of 816 1760 cmd.exe PING.EXE PID 1760 wrote to memory of 816 1760 cmd.exe PING.EXE PID 1760 wrote to memory of 816 1760 cmd.exe PING.EXE PID 1760 wrote to memory of 816 1760 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\11d2577be7df1bee2931c1d27b56eac5.exe"C:\Users\Admin\AppData\Local\Temp\11d2577be7df1bee2931c1d27b56eac5.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""4⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 35⤵
- Runs ping.exe
-
C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exebestofd.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 34⤵
- Runs ping.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exeMD5
b77a1d58626a5d4a77202afbf717accb
SHA11a37bf11e2b75384785d05780fe17fe1167bfbb1
SHA256a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13
SHA512d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26
-
C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exeMD5
b77a1d58626a5d4a77202afbf717accb
SHA11a37bf11e2b75384785d05780fe17fe1167bfbb1
SHA256a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13
SHA512d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26
-
C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exeMD5
72131adb0e2315281aae445db11e09a2
SHA1712ca2ebaa7d9bc9bbe18f7843954cfb0d22b08e
SHA2569ea7a66f0c3dc13ddfc6f05d95049dd7f641053a380578a12013db9f72367f65
SHA512bbc68fa0c586aaa7227da59848407672e7629e8f1289384add8638c21bab69d41495bcfc7881446b527e5aa4db14e1babc4f71dfee32b69705e6d3b64bf46a22
-
\Users\Admin\AppData\Roaming\gfersesurity\bestof.exeMD5
b77a1d58626a5d4a77202afbf717accb
SHA11a37bf11e2b75384785d05780fe17fe1167bfbb1
SHA256a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13
SHA512d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26
-
\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exeMD5
72131adb0e2315281aae445db11e09a2
SHA1712ca2ebaa7d9bc9bbe18f7843954cfb0d22b08e
SHA2569ea7a66f0c3dc13ddfc6f05d95049dd7f641053a380578a12013db9f72367f65
SHA512bbc68fa0c586aaa7227da59848407672e7629e8f1289384add8638c21bab69d41495bcfc7881446b527e5aa4db14e1babc4f71dfee32b69705e6d3b64bf46a22
-
memory/816-29-0x0000000000000000-mapping.dmp
-
memory/920-27-0x0000000000000000-mapping.dmp
-
memory/1148-16-0x0000000002570000-0x0000000002581000-memory.dmpFilesize
68KB
-
memory/1148-19-0x00000000003C0000-0x00000000003E2000-memory.dmpFilesize
136KB
-
memory/1148-18-0x0000000000350000-0x0000000000374000-memory.dmpFilesize
144KB
-
memory/1148-17-0x0000000073BA0000-0x000000007428E000-memory.dmpFilesize
6.9MB
-
memory/1148-13-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
-
memory/1148-14-0x000000000040CD2F-mapping.dmp
-
memory/1148-15-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
-
memory/1396-2-0x000007FEF7E60000-0x000007FEF80DA000-memory.dmpFilesize
2.5MB
-
memory/1532-22-0x0000000003D20000-0x0000000003D31000-memory.dmpFilesize
68KB
-
memory/1532-23-0x0000000073BA0000-0x000000007428E000-memory.dmpFilesize
6.9MB
-
memory/1532-25-0x0000000004060000-0x0000000004082000-memory.dmpFilesize
136KB
-
memory/1532-24-0x0000000003EE0000-0x0000000003F04000-memory.dmpFilesize
144KB
-
memory/1532-20-0x00000000002C9000-0x00000000002CA000-memory.dmpFilesize
4KB
-
memory/1532-21-0x0000000003AB0000-0x0000000003AC1000-memory.dmpFilesize
68KB
-
memory/1532-11-0x0000000000000000-mapping.dmp
-
memory/1624-26-0x0000000000000000-mapping.dmp
-
memory/1760-28-0x0000000000000000-mapping.dmp
-
memory/1908-7-0x00000000747B0000-0x0000000074E9E000-memory.dmpFilesize
6.9MB
-
memory/1908-8-0x00000000011E0000-0x00000000011E1000-memory.dmpFilesize
4KB
-
memory/1908-4-0x0000000000000000-mapping.dmp
-
memory/2036-0-0x0000000002534000-0x0000000002545000-memory.dmpFilesize
68KB
-
memory/2036-1-0x0000000002620000-0x0000000002631000-memory.dmpFilesize
68KB