Analysis
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max time kernel
144s -
max time network
57s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
02-08-2020 11:08
Static task
static1
Behavioral task
behavioral1
Sample
4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe
Resource
win7
Behavioral task
behavioral2
Sample
4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe
Resource
win10v200722
General
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Target
4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe
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Size
1.1MB
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MD5
4706fb3c6a51d56dc6bffeb7bd0cbd0f
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SHA1
a5a4c48a5dc9e6ed143b1bbe170e60c835237996
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SHA256
bc28d041b1a3ad91cff978ead6542ab8b1041fd94dc8731c43494831706184f7
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SHA512
d7b9e8f0d94eb2ab64ece60527b83e3b8029806dc7b215e8bac71b9b4b2c38ad66e78098504b9a5f88536eb05e73883a6916b53d35814d7d1cda7e88ada0e2c9
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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Loads dropped DLL 6 IoCs
Processes:
4706fb3c6a51d56dc6bffeb7bd0cbd0f.exepid process 496 4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe 496 4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe 496 4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe 496 4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe 496 4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe 496 4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe -
JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll js -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1864 timeout.exe -
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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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:
4706fb3c6a51d56dc6bffeb7bd0cbd0f.execmd.exedescription pid process target process PID 496 wrote to memory of 3560 496 4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe cmd.exe PID 496 wrote to memory of 3560 496 4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe cmd.exe PID 496 wrote to memory of 3560 496 4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe cmd.exe PID 3560 wrote to memory of 1864 3560 cmd.exe timeout.exe PID 3560 wrote to memory of 1864 3560 cmd.exe timeout.exe PID 3560 wrote to memory of 1864 3560 cmd.exe timeout.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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.
Processes
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C:\Users\Admin\AppData\Local\Temp\4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe"C:\Users\Admin\AppData\Local\Temp\4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\4706fb3c6a51d56dc6bffeb7bd0cbd0f.exe"2⤵
- Suspicious use of WriteProcessMemory
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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
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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\sqlite3.dll
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memory/1864-11-0x0000000000000000-mapping.dmp
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memory/3560-9-0x0000000000000000-mapping.dmp