Analysis Overview
SHA256
1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d
Threat Level: Known bad
The file 1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d was found to be: Known bad.
Malicious Activity Summary
Gozi, Gozi IFSB
Executes dropped EXE
Unexpected DNS network traffic destination
Deletes itself
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-12 21:28
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-12 21:28
Reported
2022-06-13 02:59
Platform
win7-20220414-en
Max time kernel
60s
Max time network
105s
Command Line
Signatures
Gozi, Gozi IFSB
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 208.67.222.222 | N/A | N/A |
| Destination IP | 208.67.222.222 | N/A | N/A |
| Destination IP | 208.67.222.222 | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\certhell = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Authput8\\bridkmon.exe" | C:\Users\Admin\AppData\Local\Temp\1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1136 set thread context of 1176 | N/A | C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe | C:\Windows\system32\svchost.exe |
| PID 1176 set thread context of 1396 | N/A | C:\Windows\system32\svchost.exe | C:\Windows\Explorer.EXE |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe | N/A |
| N/A | N/A | C:\Windows\system32\svchost.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d.exe
"C:\Users\Admin\AppData\Local\Temp\1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\A9C7\31.bat" "C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe" "C:\Users\Admin\AppData\Local\Temp\1E53C0~1.EXE""
C:\Windows\SysWOW64\cmd.exe
cmd /C ""C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe" "C:\Users\Admin\AppData\Local\Temp\1E53C0~1.EXE""
C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe
"C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe" "C:\Users\Admin\AppData\Local\Temp\1E53C0~1.EXE"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\cmd.exe
cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\4238.bi1"
C:\Windows\system32\nslookup.exe
nslookup myip.opendns.com resolver1.opendns.com
C:\Windows\system32\cmd.exe
cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\4238.bi1"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bauern-stube.at | udp |
| US | 8.8.8.8:53 | beads.berlin | udp |
| DE | 37.228.156.7:80 | beads.berlin | tcp |
| DE | 37.228.156.7:443 | beads.berlin | tcp |
| DE | 37.228.156.7:443 | beads.berlin | tcp |
| US | 8.8.8.8:53 | bastelmichaela.bplaced.net | udp |
| DE | 162.55.0.134:80 | bastelmichaela.bplaced.net | tcp |
| DE | 162.55.0.134:443 | bastelmichaela.bplaced.net | tcp |
| US | 8.8.8.8:53 | apps.identrust.com | udp |
| NL | 104.110.191.182:80 | apps.identrust.com | tcp |
| US | 8.8.8.8:53 | bachmann-buam.at | udp |
| DE | 193.254.190.17:80 | bachmann-buam.at | tcp |
| DE | 193.254.190.17:443 | bachmann-buam.at | tcp |
| US | 8.8.8.8:53 | isisobici.it | udp |
| US | 8.8.8.8:53 | niolan.at | udp |
| US | 8.8.8.8:53 | resolver1.opendns.com | udp |
| US | 208.67.222.222:53 | resolver1.opendns.com | udp |
| US | 208.67.222.222:53 | resolver1.opendns.com | udp |
| US | 208.67.222.222:53 | resolver1.opendns.com | udp |
| US | 8.8.8.8:53 | mogolik.at | udp |
Files
memory/1120-54-0x00000000759E1000-0x00000000759E3000-memory.dmp
memory/1120-55-0x0000000000380000-0x00000000003DC000-memory.dmp
memory/1120-56-0x0000000000400000-0x00000000004A1000-memory.dmp
memory/1912-57-0x0000000000000000-mapping.dmp
memory/1120-58-0x0000000000400000-0x00000000004A1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\A9C7\31.bat
| MD5 | a2cdddf0459419c710893342557b2775 |
| SHA1 | eb554d1a1eae3e2e7ac32cb66fced75cf956acda |
| SHA256 | 279230c2875214f4ad47a51c9e3eeb45d68241e0a68e172382782ab887d9dcde |
| SHA512 | 18215821f37297376f2e9208ffc63afe4bcb1c91a46c94d955a2b6576722aa040a7a168fc31d4d2e0484b9103c3fcde388ce8295c8ad13c028f11c890da9cad6 |
memory/1916-60-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe
| MD5 | f7f9c6d6ca43fe06303cc2dbd0456742 |
| SHA1 | 2d505875b4e120306259a11dc9f7e4f24030dbc2 |
| SHA256 | 1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d |
| SHA512 | 74bafab7303ee85c1e76d82ee27e86ad6df6bbbbca56ffd6f868260c3fc40feeb7152641e12b0c4841633601b818109c7a4c6792570998404dbc8c50255712d1 |
C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe
| MD5 | f7f9c6d6ca43fe06303cc2dbd0456742 |
| SHA1 | 2d505875b4e120306259a11dc9f7e4f24030dbc2 |
| SHA256 | 1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d |
| SHA512 | 74bafab7303ee85c1e76d82ee27e86ad6df6bbbbca56ffd6f868260c3fc40feeb7152641e12b0c4841633601b818109c7a4c6792570998404dbc8c50255712d1 |
memory/1136-63-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\MICROS~1\Authput8\bridkmon.exe
| MD5 | f7f9c6d6ca43fe06303cc2dbd0456742 |
| SHA1 | 2d505875b4e120306259a11dc9f7e4f24030dbc2 |
| SHA256 | 1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d |
| SHA512 | 74bafab7303ee85c1e76d82ee27e86ad6df6bbbbca56ffd6f868260c3fc40feeb7152641e12b0c4841633601b818109c7a4c6792570998404dbc8c50255712d1 |
memory/1176-66-0x0000000000000000-mapping.dmp
memory/1136-67-0x0000000000400000-0x00000000004A1000-memory.dmp
memory/1136-68-0x0000000000400000-0x00000000004A1000-memory.dmp
memory/1176-69-0x00000000001C0000-0x0000000000252000-memory.dmp
memory/1396-70-0x0000000003C00000-0x0000000003C92000-memory.dmp
memory/860-71-0x0000000000000000-mapping.dmp
memory/1432-72-0x0000000000000000-mapping.dmp
memory/2012-73-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\4238.bi1
| MD5 | 41a49d1a2a3a8713a12ccf89932d4bb7 |
| SHA1 | b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287 |
| SHA256 | f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe |
| SHA512 | 1fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1 |
C:\Users\Admin\AppData\Local\Temp\4238.bi1
| MD5 | 41a49d1a2a3a8713a12ccf89932d4bb7 |
| SHA1 | b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287 |
| SHA256 | f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe |
| SHA512 | 1fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1 |
memory/1396-76-0x0000000003C00000-0x0000000003C92000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-12 21:28
Reported
2022-06-13 02:59
Platform
win10v2004-20220414-en
Max time kernel
90s
Max time network
157s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d.exe
"C:\Users\Admin\AppData\Local\Temp\1e53c04cd46f339b05a6997303f5befc4efc0de76875abe0180fc27d7fe7322d.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1708 -ip 1708
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 456
Network
| Country | Destination | Domain | Proto |
| NL | 8.238.23.254:80 | tcp | |
| NL | 8.238.23.254:80 | tcp | |
| NL | 8.238.23.254:80 | tcp | |
| US | 20.189.173.6:443 | tcp | |
| NL | 8.238.23.254:80 | tcp | |
| NL | 8.238.23.254:80 | tcp | |
| NL | 8.238.23.254:80 | tcp | |
| NL | 8.238.23.254:80 | tcp |
Files
memory/1708-130-0x0000000002260000-0x00000000022BC000-memory.dmp