Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2024 23:58
Static task
static1
Behavioral task
behavioral1
Sample
F4620C0AFA8E21897509B2E7215097F5.exe
Resource
win7-20240903-en
General
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Target
F4620C0AFA8E21897509B2E7215097F5.exe
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Size
2.1MB
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MD5
f4620c0afa8e21897509b2e7215097f5
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SHA1
af216ca6105e271a3fb45a23c10ee7cf3158b7e1
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SHA256
8daf7dcdf256d7de40d33e5550dc5e8bbf887b8c4b7f49c79a15c96dad867f82
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SHA512
68b875acc06d9c3796f49377b5b25a5e8b9a380221eea59e4274249ca7d2bff10c3fc5edf50eae5da726afea882e0e777af86af25be7b57c8fbfd70448d8d7dd
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SSDEEP
49152:IBJz3c6UY0hj8eu32ILwfhNE5I6OrLCXLdsN6:yh3cvY0Z8pGWwfhyxOrUsN6
Malware Config
Signatures
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Process spawned unexpected child process 18 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exedescription pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4688 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3380 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3648 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2436 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3156 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5076 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 928 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 388 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1840 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4060 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1760 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5056 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 728 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4964 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3672 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4064 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1320 2272 schtasks.exe 88 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2072 2272 schtasks.exe 88 -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
F4620C0AFA8E21897509B2E7215097F5.exeWScript.exeMedal.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation F4620C0AFA8E21897509B2E7215097F5.exe Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation Medal.exe -
Executes dropped EXE 2 IoCs
Processes:
Medal.exeMedal.exepid Process 4352 Medal.exe 1100 Medal.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 4 IoCs
Processes:
Medal.exedescription ioc Process File created C:\Program Files (x86)\Common Files\Java\Java Update\cmd.exe Medal.exe File created C:\Program Files (x86)\Common Files\Java\Java Update\ebf1f9fa8afd6d Medal.exe File created C:\Program Files (x86)\Windows Portable Devices\RuntimeBroker.exe Medal.exe File created C:\Program Files (x86)\Windows Portable Devices\9e8d7a4ca61bd9 Medal.exe -
Drops file in Windows directory 1 IoCs
Processes:
Medal.exedescription ioc Process File created C:\Windows\CSC\Registry.exe Medal.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
F4620C0AFA8E21897509B2E7215097F5.exeWScript.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language F4620C0AFA8E21897509B2E7215097F5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
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Modifies registry class 2 IoCs
Processes:
F4620C0AFA8E21897509B2E7215097F5.exeMedal.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings F4620C0AFA8E21897509B2E7215097F5.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings Medal.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exepid Process 4688 schtasks.exe 3648 schtasks.exe 5076 schtasks.exe 4064 schtasks.exe 1320 schtasks.exe 2072 schtasks.exe 3156 schtasks.exe 1760 schtasks.exe 728 schtasks.exe 4964 schtasks.exe 3672 schtasks.exe 5056 schtasks.exe 3380 schtasks.exe 2436 schtasks.exe 388 schtasks.exe 1840 schtasks.exe 4060 schtasks.exe 928 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Medal.exeMedal.exepid Process 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 4352 Medal.exe 1100 Medal.exe 1100 Medal.exe 1100 Medal.exe 1100 Medal.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Medal.exeMedal.exedescription pid Process Token: SeDebugPrivilege 4352 Medal.exe Token: SeDebugPrivilege 1100 Medal.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
F4620C0AFA8E21897509B2E7215097F5.exeWScript.execmd.exeMedal.execmd.exedescription pid Process procid_target PID 5004 wrote to memory of 2036 5004 F4620C0AFA8E21897509B2E7215097F5.exe 83 PID 5004 wrote to memory of 2036 5004 F4620C0AFA8E21897509B2E7215097F5.exe 83 PID 5004 wrote to memory of 2036 5004 F4620C0AFA8E21897509B2E7215097F5.exe 83 PID 2036 wrote to memory of 3836 2036 WScript.exe 96 PID 2036 wrote to memory of 3836 2036 WScript.exe 96 PID 2036 wrote to memory of 3836 2036 WScript.exe 96 PID 3836 wrote to memory of 4352 3836 cmd.exe 98 PID 3836 wrote to memory of 4352 3836 cmd.exe 98 PID 4352 wrote to memory of 3064 4352 Medal.exe 117 PID 4352 wrote to memory of 3064 4352 Medal.exe 117 PID 3064 wrote to memory of 2936 3064 cmd.exe 119 PID 3064 wrote to memory of 2936 3064 cmd.exe 119 PID 3064 wrote to memory of 3908 3064 cmd.exe 120 PID 3064 wrote to memory of 3908 3064 cmd.exe 120 PID 3064 wrote to memory of 1100 3064 cmd.exe 124 PID 3064 wrote to memory of 1100 3064 cmd.exe 124 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\F4620C0AFA8E21897509B2E7215097F5.exe"C:\Users\Admin\AppData\Local\Temp\F4620C0AFA8E21897509B2E7215097F5.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5004 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Medal\LziQ5Qlyzu0f0C5NtfHJq0w.vbe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Medal\Fua65ZRdZNJ5OJAqSXb7513NtPonCq4dK3Ubpg1B.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Medal\Medal.exe"C:\Medal/Medal.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\lzmIyeriBx.bat"5⤵
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Windows\system32\chcp.comchcp 650016⤵PID:2936
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C:\Windows\system32\PING.EXEping -n 10 localhost6⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3908
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C:\Medal\Medal.exe"C:\Medal\Medal.exe"6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 13 /tr "'C:\Medal\TextInputHost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4688
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Medal\TextInputHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3380
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 14 /tr "'C:\Medal\TextInputHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3648
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Portable Devices\RuntimeBroker.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2436
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3156
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Portable Devices\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5076
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "cmdc" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Common Files\Java\Java Update\cmd.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:928
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\Java\Java Update\cmd.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:388
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "cmdc" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Common Files\Java\Java Update\cmd.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1840
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Users\Public\Downloads\fontdrvhost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4060
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\Public\Downloads\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1760
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Users\Public\Downloads\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5056
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsassl" /sc MINUTE /mo 14 /tr "'C:\Medal\lsass.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:728
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Medal\lsass.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4964
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Medal\lsass.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3672
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "MedalM" /sc MINUTE /mo 8 /tr "'C:\Medal\Medal.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4064
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "Medal" /sc ONLOGON /tr "'C:\Medal\Medal.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1320
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "MedalM" /sc MINUTE /mo 7 /tr "'C:\Medal\Medal.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2072
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
63B
MD5e24619181276af563705f4b1bed29490
SHA1fddac27290319f69543f5330fe97c122a8a01376
SHA256eee937e02edcd36de3ed7658c9ad9d79844502c8553a7c244b2b154aa9ffec05
SHA5121898a5e2a52f2f34466dfd9e1b1149b36052874b6be432dd9301ecfa6bc3a964dca6980b8db54ddcf8ef24a95792efcaffeb09aceb7a04304a0d18f4d0ce0591
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Filesize
224B
MD596d43070e1e39d421c53a2f8dca13fc6
SHA107417cccceddbf8d5f5b48dec0b2e08d53a4754f
SHA2560dab986e5c533631946e27cdbb5147e68b9eb3008c1add60d21a59cd7d964314
SHA5129fc0ee5ac42bca7c7ee7584baa5be6907fc750378d037d56e075a21c4fe8eaeb3efac3e9fb6087a70a6ad01dcebf05d2462f2463daa8063b4047c11e5364d398
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Filesize
1.8MB
MD54f66bbfed3a524398bd0267ed974ccbc
SHA1b2567397dc823412d87a23428c7833ff74586b7d
SHA256fa05b7f28eb1df0447998b89a08aa96453b0f3240c31489900d178862eaa80d8
SHA512bc4de61adb5f56c66043a2617ebfcc9f4e82d36e48dbdc9178695f9466d554eb364d69829490ff43100e8cb457ce7e78b2e277a3cf1733edf32c0154e6f56d9f
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Filesize
1KB
MD5af6acd95d59de87c04642509c30e81c1
SHA1f9549ae93fdb0a5861a79a08f60aa81c4b32377b
SHA2567521ee2d065a78efcab55a194fbd78492f84b70595f139263875f4ea92b194d6
SHA51293ab99bcf588fde553de3240e0d2b0cbd4e4bc5ef5e99d53f45a267d7ff30103a80b5a7aa1c52d6eff1e070af0ec82d2c0b8aafb7099742aa16810edc1815c3a
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Filesize
146B
MD5abc01fb54f54701731f20fe4b3e9e5fe
SHA12d36af12ed1d81918ffd8b93232be08f6253f67d
SHA256818faf7d5b72a3673ec804f9e6949c6b55940ebd3cbc67a5d0cf9d4dd5efa89f
SHA512f501836ba474756c3e35fa55d084b8cd3ae370466a70627b2e2207e4fa061b9b6f1a4ca4845b79b86abe5abb92391766c640eb45241fbc72a530775d9d58db58