buer | 3d994a2f80a63f31bf56ddded5ed35f020c40c0324b3ab1935e08b15c25ba017

Resubmissions

22-09-2020 21:41

22-09-2020 20:40

Target

Review.exe
Size

239KB
MD5

fa0322fb70610d6e67585588184eda39
SHA1

7bf793587550abbc8a39d5cb26b1328483b17820
SHA256

3d994a2f80a63f31bf56ddded5ed35f020c40c0324b3ab1935e08b15c25ba017
SHA512

6615bd7060022ab8e6e36160955f1e09d6800dbe509b85aafb738f890c54c1568cbbfbd77451a55bdefc42dd2c1ad899d78ef4022a8cdcfadcd2d1b3f0baa56b

Score

10^/10

buer loader

Family

buer

https://104.248.83.13/

Buer Loader 2 IoCs

Detects Buer loader in memory or disk.

resource	yara_rule
behavioral1/memory/900-0-0x0000000000250000-0x000000000025F000-memory.dmp	buer
behavioral1/memory/900-1-0x0000000040000000-0x000000004000C000-memory.dmp	buer

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1956	powershell.exe
1956	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 1956	900	Review.exe	28
PID 900 wrote to memory of 1956	900	Review.exe	28
PID 900 wrote to memory of 1956	900	Review.exe	28
PID 900 wrote to memory of 1956	900	Review.exe	28

C:\Users\Admin\AppData\Local\Temp\Review.exe
"C:\Users\Admin\AppData\Local\Temp\Review.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -Command "& {Add-MpPreference -ExclusionPath C:\ProgramData\3f7c9518ab7ea32648c7}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1956

memory/900-0-0x0000000000250000-0x000000000025F000-memory.dmp

Filesize
60KB

Download
memory/900-1-0x0000000040000000-0x000000004000C000-memory.dmp

Filesize
48KB

Download
memory/1956-3-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/1956-4-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/1956-5-0x0000000004890000-0x0000000004891000-memory.dmp

Filesize
4KB

Download
memory/1956-6-0x00000000024C0000-0x00000000024C1000-memory.dmp

Filesize
4KB

Download
memory/1956-7-0x0000000002700000-0x0000000002701000-memory.dmp

Filesize
4KB

Download
memory/1956-10-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/1956-15-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/1956-16-0x0000000006220000-0x0000000006221000-memory.dmp

Filesize
4KB

Download
memory/1956-23-0x0000000005820000-0x0000000005821000-memory.dmp

Filesize
4KB

Download
memory/1956-24-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/1956-38-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/1956-39-0x0000000006310000-0x0000000006311000-memory.dmp

Filesize
4KB

Download