Analysis
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max time kernel
139s -
max time network
150s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
09-08-2021 05:44
General
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Target
RFQ k Peikko proposal,pdf.exe
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Size
1.0MB
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MD5
b44f95c332073b28fe95157f470f8f2a
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SHA1
ab9265412559d4992d540aa11f05d73e4f544374
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SHA256
fdb6b5f3b83553b83111bd61152a4c4bd29996d778d6c118f52f01abd9435fe5
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SHA512
25bd35d5bd9d233d9f0bc21afa1af51c2326a252d3afe16f65a22f17ec85bd7a73529b24f4408d20aa0aec84dc79339574f4e57f1876f480bbb6b23cc5aa8f4d
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
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Executes dropped EXE 1 IoCs
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
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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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Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ k Peikko proposal,pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ k Peikko proposal,pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RFQ k Peikko proposal,pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ k Peikko proposal,pdf.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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MD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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MD5
055c857272026583a61e1b5821c69a24
SHA1ec39d34f16487682801dd2b319554cbed57feca4
SHA256190db16bb64995e3bdea04b9e6fc1994dacfea3253a7559732205b1d41362b84
SHA512d7833c4651683e95959107e05b07b60d2e963b9fbecd0106b329e2087d1dfc9aedb962b334e22b6b462699cbce86097d4d50ce5d1310ad098e3531efaa4e204b
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Filesize
808KB
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Filesize
4KB
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Filesize
4KB
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Filesize
76KB
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Filesize
4KB
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Filesize
4KB
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Filesize
388KB
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Filesize
4KB
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Filesize
4KB
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Filesize
5.0MB
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Filesize
380KB
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Filesize
4KB
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Filesize
8KB