Analysis Overview
SHA256
5af391be90cda339cdd429d328f31292dd1018dd6817da3a5d989c2641a7050b
Threat Level: Known bad
The file a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.zip was found to be: Known bad.
Malicious Activity Summary
CryptBot Payload
CryptBot
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates physical storage devices
Delays execution with timeout.exe
Checks processor information in registry
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-05-14 01:23
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-05-14 01:23
Reported
2021-05-14 01:26
Platform
win7v20210410
Max time kernel
5s
Max time network
8s
Command Line
Signatures
CryptBot
CryptBot Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe
"C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe"
Network
Files
memory/788-59-0x0000000075551000-0x0000000075553000-memory.dmp
memory/788-60-0x00000000004F0000-0x00000000005D1000-memory.dmp
memory/788-61-0x0000000000400000-0x00000000004E5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-05-14 01:23
Reported
2021-05-14 01:26
Platform
win10v20210408
Max time kernel
35s
Max time network
40s
Command Line
Signatures
CryptBot
CryptBot Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 740 wrote to memory of 776 | N/A | C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 740 wrote to memory of 776 | N/A | C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 740 wrote to memory of 776 | N/A | C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 776 wrote to memory of 1416 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 776 wrote to memory of 1416 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 776 wrote to memory of 1416 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe
"C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\WZVgnyfPoLqw & timeout 3 & del /f /q "C:\Users\Admin\AppData\Local\Temp\a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3.exe"
C:\Windows\SysWOW64\timeout.exe
timeout 3
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | remdvz22.top | udp |
| N/A | 8.8.8.8:53 | morjgs02.top | udp |
Files
memory/740-115-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/740-114-0x00000000023B0000-0x0000000002491000-memory.dmp
memory/776-116-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\WZVgnyfPoLqw\files_\files\SELECT~1.TXT
| MD5 | d69cf9a1c59f964c570bcd1094191127 |
| SHA1 | d6ec3b0f1a748667321d5d48d8f794192265bf3b |
| SHA256 | a4ead87004082485fe1574f68dec612a7a432e2fffaffaf668b80ba1b7f47e6a |
| SHA512 | 65560a1b9c07dda77c90c49967b4a5e2d239bdb5c85c00d5c2094de0edb8a514ead0710f7955778c640269dc5c029d5a92ed90a9aae185f523ec39b50e581d9e |
C:\Users\Admin\AppData\Local\Temp\WZVgnyfPoLqw\files_\SYSTEM~1.TXT
| MD5 | 09373838c3d9d007901715e3ab73d66b |
| SHA1 | 604f560d74ade68c0df9555380752dce8a939bd5 |
| SHA256 | 14a6e37f9c5c20c9e80f6bca35bc1d878332f99b9a5e1285a144cf561cbf5f71 |
| SHA512 | c624e994e497c5e870cbd6bed0034844036068ac3313a8c1bd98f10c8587fea5738d89f3d09b40ba5e7fcf1a6c16d2507099008be259133109b73f8974adc64e |
C:\Users\Admin\AppData\Local\Temp\WZVgnyfPoLqw\_Files\_Files\SELECT~1.TXT
| MD5 | d69cf9a1c59f964c570bcd1094191127 |
| SHA1 | d6ec3b0f1a748667321d5d48d8f794192265bf3b |
| SHA256 | a4ead87004082485fe1574f68dec612a7a432e2fffaffaf668b80ba1b7f47e6a |
| SHA512 | 65560a1b9c07dda77c90c49967b4a5e2d239bdb5c85c00d5c2094de0edb8a514ead0710f7955778c640269dc5c029d5a92ed90a9aae185f523ec39b50e581d9e |
C:\Users\Admin\AppData\Local\Temp\WZVgnyfPoLqw\WMPXDT~1.ZIP
| MD5 | 4826ae324f90b15270dfdc2e746c78bb |
| SHA1 | 57a234501f54dcae39dd8a737510c70cb3a7b23f |
| SHA256 | 2d63960663bbac224a13953573a29488a150cca317334001a1830e48ba6d0d93 |
| SHA512 | 2099443c26b43a87d6028a8d312ba3fb936a2f56fa50dc161066d25bdeb9c51e42fd8b6849501fa88ef8f5f36688011dce139480094f04cf24b146086a1eb3d6 |
C:\Users\Admin\AppData\Local\Temp\WZVgnyfPoLqw\LKYZVQ~1.ZIP
| MD5 | fbd9c0b05d71ea78479d7d08722bb8f6 |
| SHA1 | a8daee64790d7ae8e82ec3ec2c671ccdbb507e95 |
| SHA256 | 08f81678e98fa99824b0a9f1d3fa57e28d7ac69be3213510d4d1aa12707aac80 |
| SHA512 | eae709fc1c715b3aa3451183f859101117670f19c5d3572e4a24bce62d2a518f54d77d2567518af8b1c90d138d4ba5ad65f0f4d6ed9722925b1b837e4b3a4f2b |
C:\Users\Admin\AppData\Local\Temp\WZVgnyfPoLqw\files_\SCREEN~1.JPG
| MD5 | b5c3d990fd8e0282386255f018832b93 |
| SHA1 | c08ff7dd616bfc9f00f4562cead549e98fcf5d90 |
| SHA256 | afa66688b826e12c52a9f5cce055d6da6da608d4a7882b6d5e35df9ea85376cb |
| SHA512 | 3134f14bc0094110cf1e22abf37360c09892861ebfd8f1544deaef82df62c1a35481e531e9802421b774c9f005c6839bb9c66c1448605b3df59523bababe472c |
C:\Users\Admin\AppData\Local\Temp\WZVgnyfPoLqw\_Files\_INFOR~1.TXT
| MD5 | fdec9beac2623d9c38f5d0130a506d83 |
| SHA1 | a495bd976d82cd04973be7d3b4812739cf37e2cf |
| SHA256 | 35a8870c441f230b229061d524e6eb3a1a905022d6edce59c05c16ca8e966281 |
| SHA512 | 1a77d3e73121f8026e3d3e47c365dfd2995d4a03912f89fc84375eb15d4a11d945f6223a4f8bce91f0b2d7c2869088d58b09a2944ca6c54fe27b2d53b604ee51 |
C:\Users\Admin\AppData\Local\Temp\WZVgnyfPoLqw\_Files\_SCREE~1.JPE
| MD5 | b5c3d990fd8e0282386255f018832b93 |
| SHA1 | c08ff7dd616bfc9f00f4562cead549e98fcf5d90 |
| SHA256 | afa66688b826e12c52a9f5cce055d6da6da608d4a7882b6d5e35df9ea85376cb |
| SHA512 | 3134f14bc0094110cf1e22abf37360c09892861ebfd8f1544deaef82df62c1a35481e531e9802421b774c9f005c6839bb9c66c1448605b3df59523bababe472c |
memory/1416-125-0x0000000000000000-mapping.dmp