Analysis
-
max time kernel
69s -
max time network
120s -
platform
windows10_x64 -
resource
win10 -
submitted
05-08-2020 14:01
Static task
static1
Behavioral task
behavioral1
Sample
42ba6f5a4375caa494375452e6052ee9.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
42ba6f5a4375caa494375452e6052ee9.exe
Resource
win10
General
-
Target
42ba6f5a4375caa494375452e6052ee9.exe
-
Size
906KB
-
MD5
42ba6f5a4375caa494375452e6052ee9
-
SHA1
df4635da3fe8ef7f3a0a06ca9a803936e55fa310
-
SHA256
b929a2d2be1f50e60c681f02caf9d8f9a259412e0950e1413be26102c616ec7d
-
SHA512
9c29fa7ff89304fabea0f50c062960da6fe7d3038db44588ec45b58504ef99a2934fc696656fb58ed0cc34c0a757de0f0d583492e040068f9861d1c8ffa3e7e2
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
-
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
42ba6f5a4375caa494375452e6052ee9.execmd.exedescription pid process target process PID 3684 wrote to memory of 1984 3684 42ba6f5a4375caa494375452e6052ee9.exe cmd.exe PID 3684 wrote to memory of 1984 3684 42ba6f5a4375caa494375452e6052ee9.exe cmd.exe PID 3684 wrote to memory of 1984 3684 42ba6f5a4375caa494375452e6052ee9.exe cmd.exe PID 1984 wrote to memory of 3040 1984 cmd.exe timeout.exe PID 1984 wrote to memory of 3040 1984 cmd.exe timeout.exe PID 1984 wrote to memory of 3040 1984 cmd.exe timeout.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3040 timeout.exe -
Loads dropped DLL 8 IoCs
Processes:
42ba6f5a4375caa494375452e6052ee9.exepid process 3684 42ba6f5a4375caa494375452e6052ee9.exe 3684 42ba6f5a4375caa494375452e6052ee9.exe 3684 42ba6f5a4375caa494375452e6052ee9.exe 3684 42ba6f5a4375caa494375452e6052ee9.exe 3684 42ba6f5a4375caa494375452e6052ee9.exe 3684 42ba6f5a4375caa494375452e6052ee9.exe 3684 42ba6f5a4375caa494375452e6052ee9.exe 3684 42ba6f5a4375caa494375452e6052ee9.exe -
Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
Processes:
yara_rule raccoon_log_file -
JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll js -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
Processes
-
C:\Users\Admin\AppData\Local\Temp\42ba6f5a4375caa494375452e6052ee9.exe"C:\Users\Admin\AppData\Local\Temp\42ba6f5a4375caa494375452e6052ee9.exe"1⤵
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
-
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\42ba6f5a4375caa494375452e6052ee9.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
-
\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
-
\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
-
\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\mozglue.dll
-
\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll
-
\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll
-
\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll
-
\Users\Admin\AppData\LocalLow\sqlite3.dll
-
memory/1984-8-0x0000000000000000-mapping.dmp
-
memory/3040-9-0x0000000000000000-mapping.dmp