Analysis
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max time kernel
14s -
max time network
114s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
24-08-2021 17:12
Static task
static1
Behavioral task
behavioral1
Sample
ChromeRecovery.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
ChromeRecovery.exe
Resource
win10v20210410
General
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Target
ChromeRecovery.exe
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Size
67KB
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MD5
b3d0b8c065ad75dfd646829bc7c87735
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SHA1
629655f03b356ad46ae106855eb004c7be7098c0
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SHA256
61560f470822a249950e3d35574aae0ee9c93da31c1fd6f001c0cec97069a4fb
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SHA512
81539089391fb7aad33450a37ab57ec4a13c544a70ead868bc89f4e5d3d81dd948b4ea82c9ba1a780e03dfee608839b6acf2868f0ff6c0fc0fd2ef2fd6cf766e
Malware Config
Signatures
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A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
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A310logger Executable 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger -
Executes dropped EXE 1 IoCs
Processes:
MZ.exepid process 2392 MZ.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 10 icanhazip.com -
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
ChromeRecovery.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 ChromeRecovery.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier ChromeRecovery.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MZ.exepid process 2392 MZ.exe 2392 MZ.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
ChromeRecovery.exeMZ.exedescription pid process Token: SeDebugPrivilege 3424 ChromeRecovery.exe Token: SeDebugPrivilege 2392 MZ.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
ChromeRecovery.exedescription pid process target process PID 3424 wrote to memory of 2392 3424 ChromeRecovery.exe MZ.exe PID 3424 wrote to memory of 2392 3424 ChromeRecovery.exe MZ.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ChromeRecovery.exe"C:\Users\Admin\AppData\Local\Temp\ChromeRecovery.exe"1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2392
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
1bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533
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MD5
1bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533