Resubmissions
14-02-2025 01:10
250214-bjsnnayne1 1014-02-2025 01:00
250214-bc5pmsymhw 1013-02-2025 05:01
250213-fnkwtstpgw 1013-02-2025 04:24
250213-e1kk6atmaz 1013-02-2025 04:08
250213-eqe8patkgx 812-02-2025 23:56
250212-3yzt3azrdx 1012-02-2025 23:44
250212-3rgd5szmbm 1012-02-2025 23:19
250212-3a9dlazkep 1012-02-2025 13:32
250212-qs211ssrfr 10General
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Target
Downloaders.zip
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Size
12KB
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Sample
250214-bjsnnayne1
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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
win11-20250210-en
Behavioral task
behavioral2
Sample
New Text Document mod.exe
Resource
win11-20250210-en
Malware Config
Extracted
asyncrat
0.5.7B
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
127.0.0.1:8080
127.0.0.1:18274
6.tcp.eu.ngrok.io:6606
6.tcp.eu.ngrok.io:7707
6.tcp.eu.ngrok.io:8808
6.tcp.eu.ngrok.io:8080
6.tcp.eu.ngrok.io:18274
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Extracted
vidar
https://t.me/b4cha00
https://steamcommunity.com/profiles/76561199825403037
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0
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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Asyncrat family
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Detect Xworm Payload
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Detects ZharkBot payload
ZharkBot is a botnet written C++.
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Xworm family
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Zharkbot family
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Async RAT payload
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Downloads MZ/PE file
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Modifies Windows Firewall
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Drops startup file
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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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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Drops file in System32 directory
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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 Vidar Stealer
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Vidar family
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Downloads MZ/PE file
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Sets service image path in registry
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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Boot or Logon Autostart Execution: Authentication Package
Suspicious Windows Authentication Registry Modification.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Active Setup
1Authentication Package
1Registry Run Keys / Startup Folder
2Browser Extensions
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Component Object Model Hijacking
1Netsh Helper DLL
1Modify Authentication Process
1Privilege Escalation
Boot or Logon Autostart Execution
4Active Setup
1Authentication Package
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Component Object Model Hijacking
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Authentication Process
1Modify Registry
6Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
4Credentials In Files
4