Analysis
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max time kernel
81s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
14-03-2023 04:11
Static task
static1
Behavioral task
behavioral1
Sample
c7cdd3263f66f1399fb8334e6e3a5c87.exe
Resource
win7-20230220-en
General
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Target
c7cdd3263f66f1399fb8334e6e3a5c87.exe
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Size
795KB
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MD5
c7cdd3263f66f1399fb8334e6e3a5c87
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SHA1
d82dbd4489672989f56c662bd39ef89cf4a4a1e7
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SHA256
842902a229af05a242d1c6a8db6ff66bd624a3326aa75c1600c13711eb029eb9
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SHA512
a435d277a7b6d6504c3be2e25644156723a7a3c34627a7298e825b5eb1d9fbf48ca31da7601e83cf9a6dfa977eb20d5af5b3f62fdaf3325e4242f3d7876e5d42
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SSDEEP
24576:gdoZ5Z9saIUk00C2ZHTjn080WgKy3SLUJFLH:gdoZ5ZYUk0K/080133qg7
Malware Config
Extracted
cryptbot
http://ernjxs12.top/gate.php
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payload_url
http://ovaxlo01.top/chavez.dat
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation c7cdd3263f66f1399fb8334e6e3a5c87.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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum c7cdd3263f66f1399fb8334e6e3a5c87.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 c7cdd3263f66f1399fb8334e6e3a5c87.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exedescription pid process target process PID 2092 set thread context of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe -
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 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 c7cdd3263f66f1399fb8334e6e3a5c87.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString c7cdd3263f66f1399fb8334e6e3a5c87.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz c7cdd3263f66f1399fb8334e6e3a5c87.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1244 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exepid process 3092 c7cdd3263f66f1399fb8334e6e3a5c87.exe 3092 c7cdd3263f66f1399fb8334e6e3a5c87.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
c7cdd3263f66f1399fb8334e6e3a5c87.exec7cdd3263f66f1399fb8334e6e3a5c87.execmd.exedescription pid process target process PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 2092 wrote to memory of 3092 2092 c7cdd3263f66f1399fb8334e6e3a5c87.exe c7cdd3263f66f1399fb8334e6e3a5c87.exe PID 3092 wrote to memory of 2168 3092 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 3092 wrote to memory of 2168 3092 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 3092 wrote to memory of 2168 3092 c7cdd3263f66f1399fb8334e6e3a5c87.exe cmd.exe PID 2168 wrote to memory of 1244 2168 cmd.exe timeout.exe PID 2168 wrote to memory of 1244 2168 cmd.exe timeout.exe PID 2168 wrote to memory of 1244 2168 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c7cdd3263f66f1399fb8334e6e3a5c87.exe"C:\Users\Admin\AppData\Local\Temp\c7cdd3263f66f1399fb8334e6e3a5c87.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c7cdd3263f66f1399fb8334e6e3a5c87.exe"C:\Users\Admin\AppData\Local\Temp\c7cdd3263f66f1399fb8334e6e3a5c87.exe"2⤵
- Checks computer location settings
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\c7cdd3263f66f1399fb8334e6e3a5c87.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout -t 54⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\8F4A.tmpFilesize
32B
MD5987fa44e8f2f322577a051e857d5b710
SHA1d2979061a67d821dd5ea34175af95c2533a1ff29
SHA256cc65477af5d0510692c50feaf90d4c089b7dbcf7d967c3a9d0213a7ae7444e15
SHA512554ad7d00b0874bb4c53e817e2df5a068e4061e1fb67d51c57122919c41f047e9c73efab6ba6482e2479391a4277cf7872f1eb6b28012c732e5bdede3f782220
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C:\Users\Admin\AppData\Local\Temp\9123.tmpFilesize
71KB
MD546988a922937a39036d6b71e62d0f966
SHA14a997f2a0360274ec7990aac156870a5a7030665
SHA2565954db23a8424f6cb1e933387d0866910c45615f54342aa0f6dd597174393de6
SHA512dd7774668cd24c303e670e7d096794aca67593b8d8a9b3b38aa08c148f67e74c07041f25941465b3ae030bafd76384b4b79d41c1eeebe5bd11d94ab25ef00e9d
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C:\Users\Admin\AppData\Local\Temp\9872.tmpFilesize
2KB
MD518da5c19d469f921ff9d44f1f17de97b
SHA1bef606053494e1f516431d40f2aca29cf1deeb20
SHA256662f6389650db2471a13412664d05cfed46fef73dd1d30cf16d2c8ceeee33eb0
SHA5129eee1b05c10544813c2eb89c48369d78e5b9260fddd8e90a34f06ac8ea2955860083c6c8ac31089276e97e269b87b4ac0c43e9dcdb7bd6091759dccb4ac0e71d
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memory/3092-133-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/3092-134-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/3092-135-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/3092-136-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/3092-236-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB
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memory/3092-237-0x0000000000400000-0x00000000004CC000-memory.dmpFilesize
816KB