Analysis
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max time kernel
124s -
max time network
124s -
platform
windows10_x64 -
resource
win10 -
submitted
03-08-2020 07:00
Static task
static1
Behavioral task
behavioral1
Sample
5b6b342af1a0117fddab7e5a24d9e258.exe
Resource
win7
Behavioral task
behavioral2
Sample
5b6b342af1a0117fddab7e5a24d9e258.exe
Resource
win10
General
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Target
5b6b342af1a0117fddab7e5a24d9e258.exe
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Size
1.6MB
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MD5
5b6b342af1a0117fddab7e5a24d9e258
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SHA1
2c16eb99a9c778a96680ae19466d2e549b4f6b8d
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SHA256
68a4315ec90aded56b0e8fcda244e5b1cad8993a1785c0c6d70ce3d073ef6826
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SHA512
46f93632bc9e1f3a842b3598e3eec42c8a1d2685d631995c0f6fd3055ba7104be3866dff9acd2f4cc63bcde225d342e19b25fd38b39745aea0824b43144fdb02
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3436 timeout.exe -
Loads dropped DLL 8 IoCs
Processes:
5b6b342af1a0117fddab7e5a24d9e258.exepid process 2460 5b6b342af1a0117fddab7e5a24d9e258.exe 2460 5b6b342af1a0117fddab7e5a24d9e258.exe 2460 5b6b342af1a0117fddab7e5a24d9e258.exe 2460 5b6b342af1a0117fddab7e5a24d9e258.exe 2460 5b6b342af1a0117fddab7e5a24d9e258.exe 2460 5b6b342af1a0117fddab7e5a24d9e258.exe 2460 5b6b342af1a0117fddab7e5a24d9e258.exe 2460 5b6b342af1a0117fddab7e5a24d9e258.exe -
Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.
Processes:
yara_rule raccoon_log_file -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
5b6b342af1a0117fddab7e5a24d9e258.execmd.exedescription pid process target process PID 2460 wrote to memory of 3532 2460 5b6b342af1a0117fddab7e5a24d9e258.exe cmd.exe PID 2460 wrote to memory of 3532 2460 5b6b342af1a0117fddab7e5a24d9e258.exe cmd.exe PID 2460 wrote to memory of 3532 2460 5b6b342af1a0117fddab7e5a24d9e258.exe cmd.exe PID 3532 wrote to memory of 3436 3532 cmd.exe timeout.exe PID 3532 wrote to memory of 3436 3532 cmd.exe timeout.exe PID 3532 wrote to memory of 3436 3532 cmd.exe timeout.exe -
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.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
Processes
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C:\Users\Admin\AppData\Local\Temp\5b6b342af1a0117fddab7e5a24d9e258.exe"C:\Users\Admin\AppData\Local\Temp\5b6b342af1a0117fddab7e5a24d9e258.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2460 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\5b6b342af1a0117fddab7e5a24d9e258.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:3436
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\mozglue.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll
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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll
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\Users\Admin\AppData\LocalLow\sqlite3.dll
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memory/3436-9-0x0000000000000000-mapping.dmp
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memory/3532-8-0x0000000000000000-mapping.dmp