Analysis
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max time kernel
27s -
max time network
28s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
19-02-2021 08:22
Static task
static1
Behavioral task
behavioral1
Sample
b82cc0f4d26e4479ee14d7d60b12a931.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
b82cc0f4d26e4479ee14d7d60b12a931.exe
Resource
win10v20201028
General
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Target
b82cc0f4d26e4479ee14d7d60b12a931.exe
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Size
530KB
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MD5
b82cc0f4d26e4479ee14d7d60b12a931
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SHA1
f4dc959115dc25211b50ba39f5eee33ff79d0d51
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SHA256
475fb56e0d04331b71ef82cd98e61b377a8ece08a57345f18806fd367718bbc2
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SHA512
5b27f69e80cecce36cbad4c4889f948026cf24266497e9b79f927c912675a55ca42a6369580bf9ff67cbea6a77278ced1e0e72215a4bfda3e969bb79111a0738
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 behavioral1/memory/1556-19-0x0000000002210000-0x0000000002239000-memory.dmp family_redline behavioral1/memory/1556-20-0x0000000002470000-0x0000000002497000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
noabu.exepid process 1556 noabu.exe -
Loads dropped DLL 1 IoCs
Processes:
b82cc0f4d26e4479ee14d7d60b12a931.exepid process 596 b82cc0f4d26e4479ee14d7d60b12a931.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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 12 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
b82cc0f4d26e4479ee14d7d60b12a931.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 b82cc0f4d26e4479ee14d7d60b12a931.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString b82cc0f4d26e4479ee14d7d60b12a931.exe -
Processes:
noabu.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 noabu.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 0f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030853000000010000002600000030243022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c00b00000001000000180000004300b7004f00b7004d00b7004f00b7004400b7004f000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e noabu.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 noabu.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
noabu.exepid process 1556 noabu.exe 1556 noabu.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
noabu.exedescription pid process Token: SeDebugPrivilege 1556 noabu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
b82cc0f4d26e4479ee14d7d60b12a931.exedescription pid process target process PID 596 wrote to memory of 1556 596 b82cc0f4d26e4479ee14d7d60b12a931.exe noabu.exe PID 596 wrote to memory of 1556 596 b82cc0f4d26e4479ee14d7d60b12a931.exe noabu.exe PID 596 wrote to memory of 1556 596 b82cc0f4d26e4479ee14d7d60b12a931.exe noabu.exe PID 596 wrote to memory of 1556 596 b82cc0f4d26e4479ee14d7d60b12a931.exe noabu.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b82cc0f4d26e4479ee14d7d60b12a931.exe"C:\Users\Admin\AppData\Local\Temp\b82cc0f4d26e4479ee14d7d60b12a931.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\paperships\noabu.exenoabu.exe2⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\paperships\noabu.exeMD5
edf5924ecc6f37c1bcea5a1b4c3378be
SHA1936ef778a6d8a6f5fbd5a50c5eb08cea58a846ce
SHA256fa8288121fc03ad692564b12fa8483fe51f4086910d748db2be43eebb6a67de2
SHA5129bec4280c9ce85db81cac7794aa68be8ac49793c2f65f4629eb5d6fd4d4f8e0558dfc016d74c9c6f589b3a1bee5f6bc6c951977cb7f613520bc6b4a6d91aaee9
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\Users\Admin\AppData\Roaming\paperships\noabu.exeMD5
edf5924ecc6f37c1bcea5a1b4c3378be
SHA1936ef778a6d8a6f5fbd5a50c5eb08cea58a846ce
SHA256fa8288121fc03ad692564b12fa8483fe51f4086910d748db2be43eebb6a67de2
SHA5129bec4280c9ce85db81cac7794aa68be8ac49793c2f65f4629eb5d6fd4d4f8e0558dfc016d74c9c6f589b3a1bee5f6bc6c951977cb7f613520bc6b4a6d91aaee9
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memory/596-3-0x00000000767C1000-0x00000000767C3000-memory.dmpFilesize
8KB
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memory/596-4-0x00000000008F0000-0x00000000009BF000-memory.dmpFilesize
828KB
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memory/596-5-0x0000000000400000-0x00000000004D5000-memory.dmpFilesize
852KB
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memory/596-2-0x0000000000A10000-0x0000000000A21000-memory.dmpFilesize
68KB
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memory/1556-18-0x0000000074530000-0x0000000074C1E000-memory.dmpFilesize
6.9MB
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memory/1556-12-0x0000000000000000-mapping.dmp
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memory/1556-14-0x0000000000A70000-0x0000000000A81000-memory.dmpFilesize
68KB
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memory/1556-15-0x0000000002370000-0x0000000002381000-memory.dmpFilesize
68KB
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memory/1556-16-0x00000000008B0000-0x00000000008E5000-memory.dmpFilesize
212KB
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memory/1556-17-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1556-19-0x0000000002210000-0x0000000002239000-memory.dmpFilesize
164KB
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memory/1556-20-0x0000000002470000-0x0000000002497000-memory.dmpFilesize
156KB
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memory/1556-22-0x00000000024B2000-0x00000000024B3000-memory.dmpFilesize
4KB
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memory/1556-21-0x00000000024B1000-0x00000000024B2000-memory.dmpFilesize
4KB
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memory/1556-23-0x00000000024B3000-0x00000000024B4000-memory.dmpFilesize
4KB
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memory/1556-24-0x00000000024B4000-0x00000000024B6000-memory.dmpFilesize
8KB
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memory/1588-6-0x000007FEF7E50000-0x000007FEF80CA000-memory.dmpFilesize
2.5MB