Analysis
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max time kernel
79s -
max time network
68s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 07:15
Static task
static1
Behavioral task
behavioral1
Sample
cho_mea64.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
cho_mea64.exe
Resource
win10v2004-20241007-en
Errors
General
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Target
cho_mea64.exe
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Size
20.4MB
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MD5
044f51347e293ac77de4cd47bdccbacf
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SHA1
4c67777228575ac317c62855e6d9dd0a6da48c2d
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SHA256
4ca9da66d04a5f68deb0bab55aca5d64b8d8307c58f2943d6a67a3b584855ee2
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SHA512
f3976170a7f965f9674712904a0effc8383ea1a7ac5961a746b319d4659f52f82578b5adf4a0ca52f0434a896d310268ac7e40391fb0ea929a2482bb78aa0775
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SSDEEP
393216:SiX7fx65E78eL1uwtkbZtqtQEt8+OIbyMl1PiT+KiSn7h6LPr8Y:bTxOEJuw+bP5krOIO3aKiSn7aPIY
Malware Config
Signatures
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Executes dropped EXE 9 IoCs
Processes:
cho_mea64.tmp20decf5c428.exe62b24530.exesoiucosxz.exesoiucosxz.exesoiucosxz.exesoiucosxz.exesoiucosxz.exesoiucosxz.exepid process 2156 cho_mea64.tmp 2232 20decf5c428.exe 2228 62b24530.exe 2460 soiucosxz.exe 948 soiucosxz.exe 1752 soiucosxz.exe 804 soiucosxz.exe 1264 soiucosxz.exe 1628 soiucosxz.exe -
Loads dropped DLL 16 IoCs
Processes:
cho_mea64.execho_mea64.tmpsoiucosxz.execmd.exesoiucosxz.exesoiucosxz.exesoiucosxz.exesoiucosxz.exesoiucosxz.exepid process 2604 cho_mea64.exe 2156 cho_mea64.tmp 2156 cho_mea64.tmp 2156 cho_mea64.tmp 2156 cho_mea64.tmp 2460 soiucosxz.exe 2460 soiucosxz.exe 768 cmd.exe 948 soiucosxz.exe 948 soiucosxz.exe 1752 soiucosxz.exe 804 soiucosxz.exe 1264 soiucosxz.exe 1264 soiucosxz.exe 1628 soiucosxz.exe 1628 soiucosxz.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
soiucosxz.exedescription ioc process File opened (read-only) \??\H: soiucosxz.exe File opened (read-only) \??\J: soiucosxz.exe File opened (read-only) \??\M: soiucosxz.exe File opened (read-only) \??\R: soiucosxz.exe File opened (read-only) \??\Y: soiucosxz.exe File opened (read-only) \??\Z: soiucosxz.exe File opened (read-only) \??\X: soiucosxz.exe File opened (read-only) \??\B: soiucosxz.exe File opened (read-only) \??\I: soiucosxz.exe File opened (read-only) \??\L: soiucosxz.exe File opened (read-only) \??\S: soiucosxz.exe File opened (read-only) \??\T: soiucosxz.exe File opened (read-only) \??\U: soiucosxz.exe File opened (read-only) \??\G: soiucosxz.exe File opened (read-only) \??\K: soiucosxz.exe File opened (read-only) \??\P: soiucosxz.exe File opened (read-only) \??\V: soiucosxz.exe File opened (read-only) \??\W: soiucosxz.exe File opened (read-only) \??\E: soiucosxz.exe File opened (read-only) \??\N: soiucosxz.exe File opened (read-only) \??\O: soiucosxz.exe File opened (read-only) \??\Q: soiucosxz.exe -
Drops file in Windows directory 12 IoCs
Processes:
soiucosxz.exedescription ioc process File created C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\libcurl.dll soiucosxz.exe File created C:\Windows\sypmSQ1bMNSC\soiucosxz.exe soiucosxz.exe File created C:\Windows\sypmSQ1bMNSC\app-0.89.2\soiucosxz.exe soiucosxz.exe File opened for modification C:\Windows\sypmSQ1bMNSC\app-0.89.2\soiucosxz.exe soiucosxz.exe File opened for modification C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\8FF3EF380313034D8D84BAF59.cat soiucosxz.exe File opened for modification C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\zlibwapi.dll soiucosxz.exe File opened for modification C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\libcurl.dll soiucosxz.exe File opened for modification C:\Windows\sypmSQ1bMNSC\soiucosxz.exe soiucosxz.exe File created C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\soiucosxz.exe soiucosxz.exe File opened for modification C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\soiucosxz.exe soiucosxz.exe File created C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\8FF3EF380313034D8D84BAF59.cat soiucosxz.exe File created C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\zlibwapi.dll soiucosxz.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
cho_mea64.execho_mea64.tmp20decf5c428.exe62b24530.exesoiucosxz.exesoiucosxz.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cho_mea64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cho_mea64.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20decf5c428.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 62b24530.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language soiucosxz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language soiucosxz.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
soiucosxz.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 soiucosxz.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz soiucosxz.exe -
Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
cho_mea64.tmpsoiucosxz.exepid process 2156 cho_mea64.tmp 2156 cho_mea64.tmp 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe 2460 soiucosxz.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
cho_mea64.tmppid process 2156 cho_mea64.tmp -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
cho_mea64.execho_mea64.tmpcmd.exesoiucosxz.exesoiucosxz.execmd.exedescription pid process target process PID 2604 wrote to memory of 2156 2604 cho_mea64.exe cho_mea64.tmp PID 2604 wrote to memory of 2156 2604 cho_mea64.exe cho_mea64.tmp PID 2604 wrote to memory of 2156 2604 cho_mea64.exe cho_mea64.tmp PID 2604 wrote to memory of 2156 2604 cho_mea64.exe cho_mea64.tmp PID 2604 wrote to memory of 2156 2604 cho_mea64.exe cho_mea64.tmp PID 2604 wrote to memory of 2156 2604 cho_mea64.exe cho_mea64.tmp PID 2604 wrote to memory of 2156 2604 cho_mea64.exe cho_mea64.tmp PID 2156 wrote to memory of 2232 2156 cho_mea64.tmp 20decf5c428.exe PID 2156 wrote to memory of 2232 2156 cho_mea64.tmp 20decf5c428.exe PID 2156 wrote to memory of 2232 2156 cho_mea64.tmp 20decf5c428.exe PID 2156 wrote to memory of 2232 2156 cho_mea64.tmp 20decf5c428.exe PID 2156 wrote to memory of 2228 2156 cho_mea64.tmp 62b24530.exe PID 2156 wrote to memory of 2228 2156 cho_mea64.tmp 62b24530.exe PID 2156 wrote to memory of 2228 2156 cho_mea64.tmp 62b24530.exe PID 2156 wrote to memory of 2228 2156 cho_mea64.tmp 62b24530.exe PID 2156 wrote to memory of 2460 2156 cho_mea64.tmp soiucosxz.exe PID 2156 wrote to memory of 2460 2156 cho_mea64.tmp soiucosxz.exe PID 2156 wrote to memory of 2460 2156 cho_mea64.tmp soiucosxz.exe PID 2156 wrote to memory of 2460 2156 cho_mea64.tmp soiucosxz.exe PID 768 wrote to memory of 948 768 cmd.exe soiucosxz.exe PID 768 wrote to memory of 948 768 cmd.exe soiucosxz.exe PID 768 wrote to memory of 948 768 cmd.exe soiucosxz.exe PID 1752 wrote to memory of 804 1752 soiucosxz.exe soiucosxz.exe PID 1752 wrote to memory of 804 1752 soiucosxz.exe soiucosxz.exe PID 1752 wrote to memory of 804 1752 soiucosxz.exe soiucosxz.exe PID 1752 wrote to memory of 804 1752 soiucosxz.exe soiucosxz.exe PID 804 wrote to memory of 1264 804 soiucosxz.exe soiucosxz.exe PID 804 wrote to memory of 1264 804 soiucosxz.exe soiucosxz.exe PID 804 wrote to memory of 1264 804 soiucosxz.exe soiucosxz.exe PID 804 wrote to memory of 1264 804 soiucosxz.exe soiucosxz.exe PID 2028 wrote to memory of 1628 2028 cmd.exe soiucosxz.exe PID 2028 wrote to memory of 1628 2028 cmd.exe soiucosxz.exe PID 2028 wrote to memory of 1628 2028 cmd.exe soiucosxz.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\cho_mea64.exe"C:\Users\Admin\AppData\Local\Temp\cho_mea64.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Users\Admin\AppData\Local\Temp\is-VLO14.tmp\cho_mea64.tmp"C:\Users\Admin\AppData\Local\Temp\is-VLO14.tmp\cho_mea64.tmp" /SL5="$50150,20366305,827392,C:\Users\Admin\AppData\Local\Temp\cho_mea64.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\AppData\Roaming\611641ae7b4c35da\20decf5c428.exe"C:\Users\Admin\AppData\Roaming\611641ae7b4c35da\20decf5c428.exe" -pc0873f648e06c724 -y -o"C:\Users\Admin\AppData\Local\Temp\is-JN53A.tmp\..\243807242057116494032978837\"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2232
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C:\Users\Admin\AppData\Roaming\611641ae7b4c35da\62b24530.exe"C:\Users\Admin\AppData\Roaming\611641ae7b4c35da\62b24530.exe" -p7fe04917 -y -o"C:\Users\Admin\AppData\Local\Temp\is-JN53A.tmp\..\243807242057116494032978837\"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2228
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C:\Users\Admin\AppData\Local\Temp\243807242057116494032978837\soiucosxz.exe"C:\Users\Admin\AppData\Local\Temp\is-JN53A.tmp\..\243807242057116494032978837\soiucosxz.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2460
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C:\Windows\system32\cmd.execmd /c start "" "C:\Users\Admin\AppData\Local\Temp\is-JN53A.tmp\..\243807242057116494032978837\soiucosxz.exe" 3aede031690535070f390095f2d2 2460 "C:\Users\Admin\AppData\Local\Temp\is-JN53A.tmp\..\243807242057116494032978837\"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Users\Admin\AppData\Local\Temp\243807242057116494032978837\soiucosxz.exe"C:\Users\Admin\AppData\Local\Temp\is-JN53A.tmp\..\243807242057116494032978837\soiucosxz.exe" 3aede031690535070f390095f2d2 2460 "C:\Users\Admin\AppData\Local\Temp\is-JN53A.tmp\..\243807242057116494032978837\"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
PID:948
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C:\Windows\sypmSQ1bMNSC\soiucosxz.exe"C:\Windows\sypmSQ1bMNSC\soiucosxz.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\sypmSQ1bMNSC\app-0.89.2\soiucosxz.exe"C:\Windows\sypmSQ1bMNSC\app-0.89.2\soiucosxz.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804 -
C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\soiucosxz.exe"C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\soiucosxz.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1264
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C:\Windows\system32\cmd.execmd /c start "" "C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\soiucosxz.exe" 6c376dd8a 2460 "C:\Users\Admin\AppData\Local\Temp\is-JN53A.tmp\..\243807242057116494032978837\"1⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\soiucosxz.exe"C:\Windows\sypmSQ1bMNSC\app-0.89.2\app-0.89.2\soiucosxz.exe" 6c376dd8a 2460 "C:\Users\Admin\AppData\Local\Temp\is-JN53A.tmp\..\243807242057116494032978837\"2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1628
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
520B
MD54a295a0d0b894531550d547da444c0a7
SHA10c953505e4aede19622efe3e4b6ec2a019903823
SHA2569205d17e53d9881b8c12561b2ebc25fb3946232003b8cee3c78774a98f535d4a
SHA5121d2fd2282075fa2db8181a75d839e5c47c35bfaae15a41a7f5125ed1b678970d44e9bc543d64ae199b118c7dc248fc3811c20a002176ab71c4ba7f6e7b39e1b5
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Filesize
10.9MB
MD59ea898b2095b6f751b020c3e294f2482
SHA109380f3924a961c7899b4bfa5f5f91515f9221a5
SHA2563c0a526440055c1140cd62d1942c5035bb378b99c6f48f7dec0207e4791fa8e1
SHA512e6a01f7d5e45ad65988b81107f10c15bce37221ef1da1d890fe2d1453efc8c1c2b33fd5de6c51bd72e18e9286c0ff06bd55d7fe2f068324aa15b0d34353476c5
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Filesize
556KB
MD56b2548cc404f3dd55634efa291fa98d0
SHA1a076a60d99d70fd8aa7664a2534445a502febe27
SHA2567ae384b8695d7a9c2b6640927cb6ac592229aef9ebeeb80b91d556777c6dfb5d
SHA51214068e9e7d5f7e4494ffa75d369068234cdb050286d3356298e0387cf13d7681c0d68b57b6b299958c86ee3ae1dc3e54adc4c376e7b869d7d76fc2e91ed95009
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Filesize
3.1MB
MD54d05d940fa3851c6322f11463f76fb85
SHA15502f7bf7bdaed6861044cb34cff08656c963775
SHA25601f062fa5f11aebf8c2cd57fc148c3b4b1a64e97dcf68194c0545361973d6e94
SHA5125cf57118e70228afad77368277bd2fc8de71172d9317b44b2147e68dd8dcbfaf3dcc052fcdf430870484ef281ffddbeaef96a9d00acb8de29b0d03bba01ae34c
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Filesize
3.7MB
MD5545274ea5d70ff8beb929cda02be53de
SHA1b06f26c7cd5cda7bf1b8b04778dd157d1e499c35
SHA256480c2895caee1029ed1160b69c68ca2838ca4fe113466d84dc8064ad28c012c2
SHA51294924a8d39458bb57b6fe1a908b6e0796bbe6d4c6010505f185a7d89d057d73c707f4074b6589ba5b708bce2afb9f4dbaffd2ad482ff49e31cdf3c2e40dddfd1
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Filesize
1.0MB
MD524cb34cacc6e1c539e58bd5cda620a29
SHA1c6aaf4ce2b51ec487632b41d16b812cbf6b240d9
SHA2565e4b57f8b3d39cc6f90e0e17b7d12d9f3eea67d1a1f2ee73c428c1388a7e65c3
SHA51283d097955af0844280ee2b6df3173cb06275ed6be085089e2898cacedfc769c10c0870d2782f0180bec4f0c32c02b418b34a8082c29784393a3a4b7c8aa834ba
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Filesize
586KB
MD5f6f6ff4e9b359bc005a25fadb3a0aa61
SHA1831fe06ce2015e2d66467d04f2d46ec3e96524d3
SHA2566eb2a5f8ba7b7e2438a9608b7a2d5eefa1f8b66aaf7060c208678e47c3565324
SHA512db29271f28a3bff4bd3f4073b522c662f70865cc1067e0de2c11ef284d8d88fe9ca165485da6fe52372bf3db33764f195853b883d8fdab1b502e960b0915da14
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Filesize
2.2MB
MD56cf29dbf1fa710cccf6ba1c4c01f6b85
SHA1a1debdb076c8c655e3d78c6ae82f1beba386a2ba
SHA256f85ce4492e1354f8310027c5f70ef73aae654fcd8fd9a58034e4f82a41a9826b
SHA512ebcc6599c33a80bb3e5c627a5f861fc9742d8558c4551544109288f80155885791a3f701af1aa7a4513cc5d121b77678a4cd46ca38a7bdd3cf7288e58e01f4f5
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Filesize
34KB
MD5c6ae924ad02500284f7e4efa11fa7cfc
SHA12a7770b473b0a7dc9a331d017297ff5af400fed8
SHA25631d04c1e4bfdfa34704c142fa98f80c0a3076e4b312d6ada57c4be9d9c7dcf26
SHA512f321e4820b39d1642fc43bf1055471a323edcc0c4cbd3ddd5ad26a7b28c4fb9fc4e57c00ae7819a4f45a3e0bb9c7baa0ba19c3ceedacf38b911cdf625aa7ddae
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Filesize
3.2MB
MD5dc63a4763a59d647c3d0c4480eae0329
SHA18d687e717ace0d7d83a1eaa1c5b9eaec168744e7
SHA2566b9ab11e1a2a79b1a3d211422ac1e603578e7bcaba2917747d57cf8bedac238f
SHA51239069e76dee870831e1240315f61a9060920ab2de85d1fec0d789eee8882e204414e0934681132ebbc5322d674b068471043859ccbdb869fb62bfa6fc5b741eb
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Filesize
14.9MB
MD5cb8267b4b34f49626eaf67b562dc4c87
SHA145f12cdad060b99d52345c3174afb2a8014b67ab
SHA256fa7fe6c1dec39e41f15135abb057aaa81d8c8aeee56dffda46abd2c0d9269643
SHA512e8364be88e66e3978ddc4841fbada73ea052425a6b134cf96330d665d757dff21df6ab0d0f72b0feede792de2b59626dc5e132c8d22153fde28e32f9e135ddc7