Analysis
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max time kernel
121s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11-10-2023 23:00
Static task
static1
Behavioral task
behavioral1
Sample
2Elynyru.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2Elynyru.exe
Resource
win10v2004-20230915-en
General
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Target
2Elynyru.exe
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Size
1.7MB
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MD5
6c8965f1d56a93b0bf67780f7c2fa965
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SHA1
c3beaf2bf36e40c5e1afb3c0e879ae1d25f02922
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SHA256
52817df4b19ffc52e81384b3117888fc053326b9635152fcbd7ca62d00801887
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SHA512
6693d6851842c3693b4fb866e97de0c3e560a5c1776fab6ffae17af5c814b723f5284f756cdc396149645a61821a698548ef159dd424b85e5842d4d74cf84b22
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SSDEEP
49152:WBRmRJuZoLIEk0zZVACftmxN4akoFc0y6sFzxT:WZ/R0VAMmx/FldsdT
Malware Config
Signatures
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Phemedrone
An information and wallet stealer written in C#.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
2Elynyru.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 2Elynyru.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
2Elynyru.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 2Elynyru.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 2Elynyru.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
2Elynyru.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Wine 2Elynyru.exe -
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 4 ip-api.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
2Elynyru.exepid process 1672 2Elynyru.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
2Elynyru.exepid process 1672 2Elynyru.exe 1672 2Elynyru.exe 1672 2Elynyru.exe 1672 2Elynyru.exe 1672 2Elynyru.exe 1672 2Elynyru.exe 1672 2Elynyru.exe 1672 2Elynyru.exe 1672 2Elynyru.exe 1672 2Elynyru.exe 1672 2Elynyru.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2Elynyru.exedescription pid process Token: SeDebugPrivilege 1672 2Elynyru.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2Elynyru.exe"C:\Users\Admin\AppData\Local\Temp\2Elynyru.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1672
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:1192
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
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Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf