General
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Target
FanControl_193_net_8_0_Installer.exe
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Size
14.3MB
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Sample
240713-ypcwqavemq
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MD5
287079832c0d4a7966a0d35ee03a9689
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SHA1
d69b33d39b8d0d67f4bb5b60f541fe0ea3229568
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SHA256
62fc1f42f6741730198bbbee636af31f21f1d994e1ec89a3154c5955a2b41673
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SHA512
0cd46c9e43b97ba22bc0ee3666ba408c5cc677511c3e8f2892e4b8ca582886b11a8707679a23fc1e0f39cfdf4f0ecc00ce002181f47ef2ace131e235170ff7e9
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SSDEEP
196608:2tH8S4B4hAtkl1czIhgsK+7Gc4uMMywHiBrfkdt4RAiq7Vr5geDQaFGA9iR0vPy9:SHT4BAOIh1K+qc6XF9mDQa8A9ievPNo
Static task
static1
Behavioral task
behavioral1
Sample
FanControl_193_net_8_0_Installer.exe
Resource
win11-20240709-en
Malware Config
Targets
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Target
FanControl_193_net_8_0_Installer.exe
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Size
14.3MB
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MD5
287079832c0d4a7966a0d35ee03a9689
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SHA1
d69b33d39b8d0d67f4bb5b60f541fe0ea3229568
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SHA256
62fc1f42f6741730198bbbee636af31f21f1d994e1ec89a3154c5955a2b41673
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SHA512
0cd46c9e43b97ba22bc0ee3666ba408c5cc677511c3e8f2892e4b8ca582886b11a8707679a23fc1e0f39cfdf4f0ecc00ce002181f47ef2ace131e235170ff7e9
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SSDEEP
196608:2tH8S4B4hAtkl1czIhgsK+7Gc4uMMywHiBrfkdt4RAiq7Vr5geDQaFGA9iR0vPy9:SHT4BAOIh1K+qc6XF9mDQa8A9ievPNo
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Chimera
Ransomware which infects local and network files, often distributed via Dropbox links.
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Chimera Ransomware Loader DLL
Drops/unpacks executable file which resembles Chimera's Loader.dll.
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Renames multiple (3283) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Downloads MZ/PE 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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Drops desktop.ini file(s)
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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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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1