Analysis
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max time kernel
67s -
max time network
69s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
06-08-2020 08:52
Static task
static1
Behavioral task
behavioral1
Sample
55cb919ce713781ad44f3a761affdcf7.exe
Resource
win7
Behavioral task
behavioral2
Sample
55cb919ce713781ad44f3a761affdcf7.exe
Resource
win10v200722
General
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Target
55cb919ce713781ad44f3a761affdcf7.exe
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Size
931KB
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MD5
55cb919ce713781ad44f3a761affdcf7
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SHA1
78afabfe8186309e3af976bb885b7e6d10b76bd2
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SHA256
fba7aef5d78b4c469fd6094cb2e1757c0718f17f8a4903afa9a10debc39a14aa
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SHA512
3990d791b720ff836d0053ca809419c7250d20f75e2b895388074325fc7f1b0bc338594ceed449b9fb85f5146cad1ea8ae06761ac4300f30d6e7d8bcc7d6da93
Malware Config
Extracted
C:\Users\Admin\AppData\LocalLow\machineinfo.txt
raccoon
Signatures
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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:
55cb919ce713781ad44f3a761affdcf7.execmd.exedescription pid process target process PID 3740 wrote to memory of 488 3740 55cb919ce713781ad44f3a761affdcf7.exe cmd.exe PID 3740 wrote to memory of 488 3740 55cb919ce713781ad44f3a761affdcf7.exe cmd.exe PID 3740 wrote to memory of 488 3740 55cb919ce713781ad44f3a761affdcf7.exe cmd.exe PID 488 wrote to memory of 1148 488 cmd.exe timeout.exe PID 488 wrote to memory of 1148 488 cmd.exe timeout.exe PID 488 wrote to memory of 1148 488 cmd.exe timeout.exe -
JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll js -
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.
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Loads dropped DLL 6 IoCs
Processes:
55cb919ce713781ad44f3a761affdcf7.exepid process 3740 55cb919ce713781ad44f3a761affdcf7.exe 3740 55cb919ce713781ad44f3a761affdcf7.exe 3740 55cb919ce713781ad44f3a761affdcf7.exe 3740 55cb919ce713781ad44f3a761affdcf7.exe 3740 55cb919ce713781ad44f3a761affdcf7.exe 3740 55cb919ce713781ad44f3a761affdcf7.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1148 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.
Processes
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C:\Users\Admin\AppData\Local\Temp\55cb919ce713781ad44f3a761affdcf7.exe"C:\Users\Admin\AppData\Local\Temp\55cb919ce713781ad44f3a761affdcf7.exe"1⤵
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
PID:3740 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\55cb919ce713781ad44f3a761affdcf7.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:488 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK3⤵
- Delays execution with timeout.exe
PID:1148