Analysis
- max time kernel
41s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
06/11/2020, 11:47
Static task
static1
Behavioral task
behavioral1
Sample
f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe
- Size 978KB
- Sample201106-ws86fm3dgs
- SHA256 f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889
- MD5 6e8498b91bf1a607f76bc04b2ad2fa70
- SHA1 95e1904c2f67cd364b8b386e5ccdd33edcd4955c
- SHA512 00553a4611ec8badd707471ca53cebdc6cb876043a2e52522fb058369c228cfcf9fadb105795177bec50cc181c54879ab3cab74009ed2828ea96268c3dbcd172
- MD5 SHA1 SHA512
Malware Config
Signatures
- Echelon log file 1 IoCs
Detects a log file produced by Echelon.
yara_rule echelon_log_file - Executes dropped EXE 1 IoCs
pid Process 3476 Decoder.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 6 api.ipify.org 7 api.ipify.org 10 ip-api.com - Program crash 1 IoCs
pid pid_target Process procid_target 1632 3476 WerFault.exe 86 - Delays execution with timeout.exe 2 IoCs
pid Process 796 timeout.exe 1608 timeout.exe - Suspicious behavior: EnumeratesProcesses 17 IoCs
pid Process 3988 f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe 3988 f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3988 f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe Token: SeRestorePrivilege 1632 WerFault.exe Token: SeBackupPrivilege 1632 WerFault.exe Token: SeDebugPrivilege 1632 WerFault.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3988 wrote to memory of 3280 3988 f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe 77 PID 3988 wrote to memory of 3280 3988 f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe 77 PID 3988 wrote to memory of 3708 3988 f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe 79 PID 3988 wrote to memory of 3708 3988 f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe 79 PID 3280 wrote to memory of 796 3280 cmd.exe 81 PID 3280 wrote to memory of 796 3280 cmd.exe 81 PID 3708 wrote to memory of 1608 3708 cmd.exe 82 PID 3708 wrote to memory of 1608 3708 cmd.exe 82 PID 3280 wrote to memory of 3476 3280 cmd.exe 86 PID 3280 wrote to memory of 3476 3280 cmd.exe 86 PID 3280 wrote to memory of 3476 3280 cmd.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe"C:\Users\Admin\AppData\Local\Temp\f0ca23d101868cd75aed85f10eda2c0067e7de7f81f84eee0232e9cd5f319889.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""2⤵
- Suspicious use of WriteProcessMemory
PID:3280 -
C:\Windows\system32\timeout.exetimeout 43⤵
- Delays execution with timeout.exe
PID:796
-
-
C:\Users\Admin\AppData\Local\Temp\Decoder.exe"C:\Users\Admin\AppData\Local\Temp\\\Decoder.exe"3⤵
- Executes dropped EXE
PID:3476 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 7964⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1632
-
-
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2502.tmp.cmd""2⤵
- Suspicious use of WriteProcessMemory
PID:3708 -
C:\Windows\system32\timeout.exetimeout 43⤵
- Delays execution with timeout.exe
PID:1608
-
-