Analysis Overview
SHA256
2741d6da882c151334cb7777b2f8bf26f8b0e197d244f1aa86570b040f334a76
Threat Level: Known bad
The file 2741d6da882c151334cb7777b2f8bf26f8b0e197d244f1aa86570b040f334a76 was found to be: Known bad.
Malicious Activity Summary
Bazar Loader
Process spawned unexpected child process
Bazar/Team9 Loader payload
Blocklisted process makes network request
Loads dropped DLL
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-19 09:39
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-19 09:39
Reported
2022-01-19 09:41
Platform
win10v2004-en-20220112
Max time kernel
109s
Max time network
134s
Command Line
Signatures
Bazar Loader
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\SYSTEM32\rundll32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
Bazar/Team9 Loader payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\rundll32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3872 wrote to memory of 2508 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\rundll32.exe |
| PID 3872 wrote to memory of 2508 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\rundll32.exe |
Processes
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2741d6da882c151334cb7777b2f8bf26f8b0e197d244f1aa86570b040f334a76.xll"
C:\Windows\SYSTEM32\rundll32.exe
rundll32 C:\Users\Admin\JavaObjectReflectX.dll , dopt
Network
| Country | Destination | Domain | Proto |
| UA | 91.201.202.219:443 | tcp | |
| NL | 194.147.115.132:443 | tcp | |
| UA | 194.38.20.30:443 | 194.38.20.30 | tcp |
| RU | 188.127.251.106:443 | tcp |
Files
memory/3872-130-0x00007FFDC2850000-0x00007FFDC2860000-memory.dmp
memory/3872-131-0x00007FFDC2850000-0x00007FFDC2860000-memory.dmp
memory/3872-132-0x00007FFDC2850000-0x00007FFDC2860000-memory.dmp
memory/3872-133-0x00007FFDC2850000-0x00007FFDC2860000-memory.dmp
memory/3872-134-0x00007FFDC2850000-0x00007FFDC2860000-memory.dmp
memory/3872-137-0x00007FFDC06F0000-0x00007FFDC0700000-memory.dmp
memory/3872-138-0x00007FFDC06F0000-0x00007FFDC0700000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\2741d6da882c151334cb7777b2f8bf26f8b0e197d244f1aa86570b040f334a76.xll
| MD5 | 7d42847bf18bc1de902661998c69991f |
| SHA1 | 55feab0ce9c6eb0558b34c801d2f290ddb570afe |
| SHA256 | 2741d6da882c151334cb7777b2f8bf26f8b0e197d244f1aa86570b040f334a76 |
| SHA512 | 5ae2d47ad7d4b44b4338676a5c244ea54b9fc9e8bcdd20345de189365a13d146504e962dc57907be52dca5a0bb2b81c577c71af7df25ef00bbab902ebd5b5f36 |
C:\Users\Admin\AppData\Local\Temp\2741d6da882c151334cb7777b2f8bf26f8b0e197d244f1aa86570b040f334a76.xll
| MD5 | 7d42847bf18bc1de902661998c69991f |
| SHA1 | 55feab0ce9c6eb0558b34c801d2f290ddb570afe |
| SHA256 | 2741d6da882c151334cb7777b2f8bf26f8b0e197d244f1aa86570b040f334a76 |
| SHA512 | 5ae2d47ad7d4b44b4338676a5c244ea54b9fc9e8bcdd20345de189365a13d146504e962dc57907be52dca5a0bb2b81c577c71af7df25ef00bbab902ebd5b5f36 |
C:\Users\Admin\JavaObjectReflectX.dll
| MD5 | 1007f143ab3ef542862f5323d3658d15 |
| SHA1 | b54eebff0d4ab2d7ed635f0a6c795edab8194bf5 |
| SHA256 | fa59c90a66e8583b54aaa0e448f09e38cd4bd155ec83af931a85205fb28ed03a |
| SHA512 | 274a7b89630c3e404d17feec7877b835c677d8d921352515ee70f28385490084c696d61c097aa304752f3449b02eae772cc1ea5b6ee90bc1ed29592b23e86210 |
C:\Users\Admin\JavaObjectReflectX.dll
| MD5 | 1007f143ab3ef542862f5323d3658d15 |
| SHA1 | b54eebff0d4ab2d7ed635f0a6c795edab8194bf5 |
| SHA256 | fa59c90a66e8583b54aaa0e448f09e38cd4bd155ec83af931a85205fb28ed03a |
| SHA512 | 274a7b89630c3e404d17feec7877b835c677d8d921352515ee70f28385490084c696d61c097aa304752f3449b02eae772cc1ea5b6ee90bc1ed29592b23e86210 |
memory/2508-152-0x0000000180000000-0x000000018003C000-memory.dmp
memory/3872-174-0x00007FFDC2850000-0x00007FFDC2860000-memory.dmp
memory/3872-175-0x00007FFDC2850000-0x00007FFDC2860000-memory.dmp
memory/3872-176-0x00007FFDC2850000-0x00007FFDC2860000-memory.dmp
memory/3872-177-0x00007FFDC2850000-0x00007FFDC2860000-memory.dmp