Analysis
-
max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
-
submitted
24-08-2023 07:25
General
-
Target
ReviewPrint.exe
-
Size
330KB
-
MD5
5be0349cfd478100b67fa4a867cfc516
-
SHA1
ad95587989a7bdeb80380a9e8b179f7e11db53a8
-
SHA256
4332bb07339c3096997fbb89b695afeb3b1e21632c8ecb4e144ec883d61ab066
-
SHA512
4a942340eaa75f5a98caf8073c2acc1c8c9310113d4d9e5b76cd4d91d87baa913c250caab657bc374f20233fc79d75dc6e29c74b4e301634934593dc86eb8534
-
SSDEEP
1536:OphmidUnwrFnOATLZ+ZlDD44444444444444444444444444444444444444444t:sJUGpU1T83KvqAwsiYQmwf
Malware Config
Extracted
buer
https://161.35.192.121/
Signatures
-
Buer
Buer is a new modular loader first seen in August 2019.
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
-
Buer Loader 4 IoCs
Detects Buer loader in memory or disk.
-
Executes dropped EXE 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
-
Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ReviewPrint.exe"C:\Users\Admin\AppData\Local\Temp\ReviewPrint.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\e92f679676226c9fc3c4\gennt.exeC:\ProgramData\e92f679676226c9fc3c4\gennt.exe "C:\Users\Admin\AppData\Local\Temp\ReviewPrint.exe" ensgJJ2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -Command "& {Add-MpPreference -ExclusionPath C:\ProgramData\e92f679676226c9fc3c4}"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
330KB
MD55be0349cfd478100b67fa4a867cfc516
SHA1ad95587989a7bdeb80380a9e8b179f7e11db53a8
SHA2564332bb07339c3096997fbb89b695afeb3b1e21632c8ecb4e144ec883d61ab066
SHA5124a942340eaa75f5a98caf8073c2acc1c8c9310113d4d9e5b76cd4d91d87baa913c250caab657bc374f20233fc79d75dc6e29c74b4e301634934593dc86eb8534
-
Filesize
330KB
MD55be0349cfd478100b67fa4a867cfc516
SHA1ad95587989a7bdeb80380a9e8b179f7e11db53a8
SHA2564332bb07339c3096997fbb89b695afeb3b1e21632c8ecb4e144ec883d61ab066
SHA5124a942340eaa75f5a98caf8073c2acc1c8c9310113d4d9e5b76cd4d91d87baa913c250caab657bc374f20233fc79d75dc6e29c74b4e301634934593dc86eb8534
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
6.5MB
-
Filesize
104KB
-
Filesize
408KB
-
Filesize
7.7MB
-
Filesize
120KB
-
Filesize
32KB
-
Filesize
104KB
-
Filesize
7.7MB
-
Filesize
216KB
-
Filesize
64KB
-
Filesize
6.2MB
-
Filesize
64KB
-
Filesize
408KB
-
Filesize
56KB
-
Filesize
600KB
-
Filesize
40KB
-
Filesize
136KB
-
Filesize
64KB
-
Filesize
200KB
-
Filesize
304KB
-
Filesize
120KB
-
Filesize
60KB
-
Filesize
348KB
-
Filesize
348KB
-
Filesize
48KB
-
Filesize
4KB
-
Filesize
52KB
-
Filesize
348KB
-
Filesize
60KB