Analysis
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max time kernel
48s -
max time network
49s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 20:55
Static task
static1
Behavioral task
behavioral1
Sample
BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe
Resource
win7v20201028
General
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Target
BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe
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Size
170KB
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MD5
a2bf53ed2269b816d8c28e469e8c2603
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SHA1
3f417fc14cf36208743e62309ec87e15ae9924c6
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SHA256
512614d4683ffe32c440266c41ca1a5b0cc9949b78850d3c131c1da388c6003d
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SHA512
d6e5ec3c655b2ee5b10c0d2779777f7ce1291cf5e0728e79524905453a4ac85bb6000ad8d1eaeb2caa774815ffa735d80624ae88d615a526a30ad34c52faf77a
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
cmd.exepid process 1044 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Suspicious use of SetThreadContext 1 IoCs
Processes:
BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exedescription pid process target process PID 1084 set thread context of 1568 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 32 IoCs
Processes:
BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exedescription pid process Token: SeImpersonatePrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeTcbPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeChangeNotifyPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeCreateTokenPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeBackupPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeRestorePrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeIncreaseQuotaPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeAssignPrimaryTokenPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeImpersonatePrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeTcbPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeChangeNotifyPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeCreateTokenPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeBackupPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeRestorePrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeIncreaseQuotaPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeAssignPrimaryTokenPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeImpersonatePrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeTcbPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeChangeNotifyPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeCreateTokenPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeBackupPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeRestorePrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeIncreaseQuotaPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeAssignPrimaryTokenPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeImpersonatePrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeTcbPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeChangeNotifyPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeCreateTokenPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeBackupPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeRestorePrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeIncreaseQuotaPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe Token: SeAssignPrimaryTokenPrivilege 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exeBL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exedescription pid process target process PID 1084 wrote to memory of 1596 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe schtasks.exe PID 1084 wrote to memory of 1596 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe schtasks.exe PID 1084 wrote to memory of 1596 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe schtasks.exe PID 1084 wrote to memory of 1596 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe schtasks.exe PID 1084 wrote to memory of 1568 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe PID 1084 wrote to memory of 1568 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe PID 1084 wrote to memory of 1568 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe PID 1084 wrote to memory of 1568 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe PID 1084 wrote to memory of 1568 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe PID 1084 wrote to memory of 1568 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe PID 1084 wrote to memory of 1568 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe PID 1084 wrote to memory of 1568 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe PID 1084 wrote to memory of 1568 1084 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe PID 1568 wrote to memory of 1044 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe cmd.exe PID 1568 wrote to memory of 1044 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe cmd.exe PID 1568 wrote to memory of 1044 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe cmd.exe PID 1568 wrote to memory of 1044 1568 BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe"C:\Users\Admin\AppData\Local\Temp\BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XLwdDWHDKFdwB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB970.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\259318184.bat" "C:\Users\Admin\AppData\Local\Temp\BL Draft Copy-shipping DocumentsEXCEL.XLS.xlsx.gz.exe" "3⤵
- Deletes itself
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\259318184.batMD5
3880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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C:\Users\Admin\AppData\Local\Temp\tmpB970.tmpMD5
6a05302b6f33c3677d15a4c1fcf53bec
SHA14f13a3f760de14f465497c7f84b6aa338d3fb546
SHA256d3008066947e0a125e6873370de5d1b2e34cbd300fee4ab94c75056a3a657691
SHA512a8cb85fe7836d98d45a91ea253cc25c19d7fdecc2a03660e8037eb7c8e898837b725a27de6352641c9c8154a6a0d404e2f55d65cba1d07beeac5b396b9910b82
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memory/1044-6-0x0000000000000000-mapping.dmp
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memory/1568-2-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/1568-3-0x0000000000410621-mapping.dmp
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memory/1568-4-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/1596-0-0x0000000000000000-mapping.dmp
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memory/1672-5-0x000007FEF77D0000-0x000007FEF7A4A000-memory.dmpFilesize
2.5MB