Analysis
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max time kernel
154s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
01-07-2024 18:28
General
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Target
zvgfd-main/Frozen Loader V2.exe
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Size
35KB
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MD5
fe1520b26e792424cfbf8fd7564b4a55
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SHA1
da29f83984b250746f84906584481a0db9258b7c
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SHA256
f2ece46035c2c59af63a43525c218247686faf36a256bb77a6103910e306c598
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SHA512
10bb8a5a498ca268cf3d8f55cac252ec67ef6a608ed99a12d9eaff159a44700f09da47c0c06b9c15488c8e2dec2e9feb9fb8dd36152e9459ac5b151017d2b761
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SSDEEP
768:2DMfF7zLKYs2Byj5fuddqLi9Fk9wnO/h4/22N7:2kF7HKYs/1od9Fk9wnO/+u2J
Malware Config
Extracted
xworm
5.0
127.0.0.1:4782
192.168.1.66:4782
56wFqcXlNlL4av7L
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Install_directory
%Public%
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install_file
$77-Update.exe
Signatures
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Detect Xworm Payload 2 IoCs
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Xworm
Xworm is a remote access trojan written in C#.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 2 IoCs
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Executes dropped EXE 2 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
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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\zvgfd-main\Frozen Loader V2.exe"C:\Users\Admin\AppData\Local\Temp\zvgfd-main\Frozen Loader V2.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "$77-Update" /tr "C:\Users\Public\$77-Update.exe"2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4284 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:81⤵
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C:\Users\Public\$77-Update.exeC:\Users\Public\$77-Update.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Public\$77-Update.exeC:\Users\Public\$77-Update.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
35KB
MD5fe1520b26e792424cfbf8fd7564b4a55
SHA1da29f83984b250746f84906584481a0db9258b7c
SHA256f2ece46035c2c59af63a43525c218247686faf36a256bb77a6103910e306c598
SHA51210bb8a5a498ca268cf3d8f55cac252ec67ef6a608ed99a12d9eaff159a44700f09da47c0c06b9c15488c8e2dec2e9feb9fb8dd36152e9459ac5b151017d2b761
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
10.8MB