Resubmissions
28-11-2024 02:19
241128-cr9sks1kht 1027-11-2024 21:08
241127-zyzyaawqgn 1027-11-2024 20:16
241127-y145caymbs 1027-11-2024 20:13
241127-yzlxdavlen 1027-11-2024 19:53
241127-yl61dsxpcs 1027-11-2024 19:38
241127-ycrjcaxkfx 1027-11-2024 19:03
241127-xqsswsslej 1027-11-2024 19:03
241127-xqf44aslcr 327-11-2024 19:02
241127-xpxqfsslan 327-11-2024 18:32
241127-w6pkqs1mek 10General
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Target
Downloaders.zip
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Size
12KB
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Sample
240522-k7dzvaad9z
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MD5
94fe78dc42e3403d06477f995770733c
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SHA1
ea6ba4a14bab2a976d62ea7ddd4940ec90560586
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SHA256
16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267
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SHA512
add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff
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SSDEEP
384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB
Static task
static1
Behavioral task
behavioral1
Sample
4363463463464363463463463.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
4363463463464363463463463.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
New Text Document mod.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
New Text Document mod.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
quasar
1.4.1
Office04
185.196.10.233:4782
79.132.193.215:4782
b0fcdfbd-bdd4-4a5d-8ab1-7217539d4db6
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encryption_key
0EC03133971030F6D05E6D59F71626F6543BBE65
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install_name
gfdgfdg.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
fgfdhdgg
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subdirectory
gfgfgf
Extracted
asyncrat
0.5.8
Spread
94.156.10.12:80
94.156.10.12:443
94.156.8.44:80
94.156.8.44:443
B7T0vEfLYvgG
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delay
300
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install
false
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install_folder
%AppData%
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1002
Extracted
xworm
5.0
85.203.4.146:7000
5.182.87.154:7000
eItTbYBfBYihwkyW
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Install_directory
%Userprofile%
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install_file
svchost.exe
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.2
Default
85.209.133.18:4545
5.182.87.154:4449
tdipywykihsjieff
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delay
1
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install
false
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install_folder
%AppData%
Extracted
xworm
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Install_directory
%AppData%
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install_file
taskhostw.exe
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pastebin_url
https://pastebin.com/raw/Xuc6dzua
Extracted
asyncrat
1.0.7
Default
127.0.0.1:8848
DcRatMutex_qwqdanchun
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delay
1
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install
false
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install_folder
%AppData%
Targets
-
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Target
4363463463464363463463463.exe
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Size
10KB
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MD5
2a94f3960c58c6e70826495f76d00b85
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SHA1
e2a1a5641295f5ebf01a37ac1c170ac0814bb71a
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SHA256
2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
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SHA512
fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f
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SSDEEP
192:xlwayyHOXGc20L7BIW12n/ePSjiTlzkGu8stYcFwVc03KY:xlwwHe/20PKn/cLTlHuptYcFwVc03K
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Modifies WinLogon for persistence
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Modifies security service
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Quasar payload
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Looks for VirtualBox Guest Additions in registry
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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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Looks for VMWare Tools registry key
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Modifies Windows Firewall
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Uses the VBS compiler for execution
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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Target
New Text Document mod.exe
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Size
8KB
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MD5
69994ff2f00eeca9335ccd502198e05b
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SHA1
b13a15a5bea65b711b835ce8eccd2a699a99cead
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SHA256
2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2
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SHA512
ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3
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SSDEEP
96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1
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Detect Xworm Payload
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Modifies security service
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PureLog Stealer payload
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Quasar payload
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Async RAT payload
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Blocklisted process makes network request
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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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Possible privilege escalation attempt
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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Target
New Text Document mod.exse
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Size
8KB
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MD5
69994ff2f00eeca9335ccd502198e05b
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SHA1
b13a15a5bea65b711b835ce8eccd2a699a99cead
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SHA256
2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2
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SHA512
ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3
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SSDEEP
96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1
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Detect Xworm Payload
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Modifies security service
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PureLog Stealer payload
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Quasar payload
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Async RAT payload
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Blocklisted process makes network request
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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Possible privilege escalation attempt
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scripting
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
5Windows Service
5Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
5Windows Service
5Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
6Disable or Modify System Firewall
1Disable or Modify Tools
4Modify Registry
11Scripting
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2