e419cf809928dc8ce0fd53d60d4669180b0f1f3e4917da7f3359a0c1f646486e

General

Target
50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
Size 203KB
Sample241017-fs5f2atcpf
SHA256 e419cf809928dc8ce0fd53d60d4669180b0f1f3e4917da7f3359a0c1f646486e
MD5 50cdd362bb2176772e20790734f08563
SHA1 c1b807fec91ffa50cd0d36e816a19771c53a85f2
SHA512 f686d2aa247e7ab9e31555cf64d7f949e9c441c1baec494692b31816c76d5b16f8ae97fedb0726d253476874b801928db0f5289c5ffb11d614b43264edb3efa0
SSDEEP 6144:ihUFT6hioy8QKcsHGfsIiQ7boFHWip7yLhzZl+gS:qUFT6hiTiQ/oFHWiRylVlM
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

bootkit discovery persistence upx

Malware Config

Signatures

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\k:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\s:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\w:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\x:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\z:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\o:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\p:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\r:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\u:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\e:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\m:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\n:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\q:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\t:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\v:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\g:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\h:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\i:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\j:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\l:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
File opened (read-only)	\??\y:	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1448-0-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/1448-13-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/1448-14-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/1448-15-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/1448-16-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/1448-19-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/1448-20-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral2/memory/1448-21-0x0000000000400000-0x0000000000476000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SAItest.txt	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\742C3192E607E424EB4549542BE1BBC53E6174E2	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\742C3192E607E424EB4549542BE1BBC53E6174E2\Blob = 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	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46\Blob = 0f0000000100000014000000f45a0858c9cd920e647bad539ab9f1cfc77f24cb0b000000010000002a0000005300650063007400690067006f0020002800550054004e0020004f0062006a0065006300740029000000090000000100000022000000302006082b06010505070303060a2b0601040182370a030406082b060105050703086200000001000000200000006fff78e400a70c11011cd85977c459fb5af96a3df0540820d0f4b8607875e58f140000000100000014000000daed6474149c143cabdd99a9bd5b284d8b3cc9d81d0000000100000010000000f919b9ccce1e59c2e785f7dc2ccf67087e0000000100000008000000000063f58926d70168000000010000000800000000409120d035d901030000000100000014000000e12dfb4b41d7d9c32b30514bac1d81d8385e2d4620000000010000006a040000308204663082034ea003020102021044be0c8b500024b411d3362de0b35f1b300d06092a864886f70d0101050500308195310b3009060355040613025553310b3009060355040813025554311730150603550407130e53616c74204c616b652043697479311e301c060355040a131554686520555345525452555354204e6574776f726b3121301f060355040b1318687474703a2f2f7777772e7573657274727573742e636f6d311d301b0603550403131455544e2d5553455246697273742d4f626a656374301e170d3939303730393138333132305a170d3139303730393138343033365a308195310b3009060355040613025553310b3009060355040813025554311730150603550407130e53616c74204c616b652043697479311e301c060355040a131554686520555345525452555354204e6574776f726b3121301f060355040b1318687474703a2f2f7777772e7573657274727573742e636f6d311d301b0603550403131455544e2d5553455246697273742d4f626a65637430820122300d06092a864886f70d01010105000382010f003082010a0282010100ceaa813fa3a36178aa31005595119e270f1f1cdf3a9b826830c04a611df12f0efabe79f7a523ef55519684cddbe3b96e3e31d80a2067c7f4d9bf94eb47043e02ce2aa25d870409f6309d188a97b2aa1cfc41d2a136cbfb3d91bae7d97035fae4e790c39ba39bd33cf5129977b1b709e068e61cb8f39463886a6afe0b76c9bef422e467b9ab1a5e77c18507dd0d6cbfee06c7776a419ea70fd7fbee9417b7fc85bea4abc41c31ddd7b6d1e4f0efdf168fb25293d7a1d489a1072ebfe10112421e1ae1d89534db647928ffba2e11c2e5e85b9248fb470bc26cdaad328341f3a5e54170fd65906dfafa51c4f9bd962b19042cd36da7dcf07f6f8365e26aab8786750203010001a381af3081ac300b0603551d0f0404030201c6300f0603551d130101ff040530030101ff301d0603551d0e04160414daed6474149c143cabdd99a9bd5b284d8b3cc9d830420603551d1f043b30393037a035a0338631687474703a2f2f63726c2e7573657274727573742e636f6d2f55544e2d5553455246697273742d4f626a6563742e63726c30290603551d250422302006082b0601050507030306082b06010505070308060a2b0601040182370a0304300d06092a864886f70d01010505000382010100081f52b1374478dbfdceb9da959698aa556480b55a40dd21a5c5c1f35f2c4cc8475a69eae8f03535f4d025f3c8a6a4874abd1bb17308bdd4c3cab635bb59867731cda78014ae13effcb148f96b25252d51b62c6d45c198c88a565d3eee434e3e6b278ed03a4b850b5fd3ed6aa775cbd15a872f3975135a72b002819fbef00f845420626c69d4e14dc60d9943010d12968c789dbf50a2b144aa6acf177acf6f0fd4f824555ff0341649663e5046c96371383162b862b9f353ad6cb52ba212aa194f09da5ee793c68e1408fef0308018a086854dc87dd78b03fe6ed5f79d16ac922ca023e59c91521f94df179473c3b3c1c17105200078bd13521da83ecd001fc8	50cdd362bb2176772e20790734f08563_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\50cdd362bb2176772e20790734f08563_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\50cdd362bb2176772e20790734f08563_JaffaCakes118.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
PID:1448