Analysis
- max time kernel
144s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
26/08/2024, 05:41
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order2883.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Purchase Order2883.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
General
- Target Purchase Order2883.exe
- Size 772KB
- Sample240826-gdfd2axgra
- SHA256 a7ce140d12ae3b2180a2f170bd9cf812034046b5b4da2bc0725240445264a404
- MD5 17eb8202cd25ebfb49eb1347ddbbe1d1
- SHA1 cc59c2f0d3b4ad9cebdca36ede5182f6746cff87
- SHA512 6338f1da11bc3e33a864aca2b349401cf190f5bca8a7b18a21ad1f3ab40f110ba9f32474a7e0d0a4813a5911b974c70d107d8f3acebcbf0759a21f32b486ebda
- SSDEEP 12288:I1xZkxtCt777js4n4OdpvhVlp/+sH2WDAqQnm:I1xmCtLbBvpRH2WkqQm
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
pid Process 4228 Purchase Order2883.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4228 Purchase Order2883.exe 3608 Purchase Order2883.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4228 set thread context of 3608 4228 Purchase Order2883.exe 94 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\resources\flagstaves.ini Purchase Order2883.exe File opened for modification C:\Windows\resources\surmounts.ini Purchase Order2883.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase Order2883.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase Order2883.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4228 Purchase Order2883.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4228 wrote to memory of 3608 4228 Purchase Order2883.exe 94 PID 4228 wrote to memory of 3608 4228 Purchase Order2883.exe 94 PID 4228 wrote to memory of 3608 4228 Purchase Order2883.exe 94 PID 4228 wrote to memory of 3608 4228 Purchase Order2883.exe 94 PID 4228 wrote to memory of 3608 4228 Purchase Order2883.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order2883.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order2883.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4228 -
C:\Users\Admin\AppData\Local\Temp\Purchase Order2883.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order2883.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
PID:3608
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\sanatoriernes.ini
- Size 32B
- SHA256 ef0d70a6fada6f48c1a8c8cb26b9f1c0457283451c184acecb2f3fe3afd84d70
- MD5 43e60c91e5b06ecaf84feebeb71c20d0
- SHA1 1ad9ac635b43d4f798c4153ee7e650fc1d5cdf67
- SHA512 357568b9dec128a3f39f900054401c72e28ffbb1e25d5b03b51a326b1b0bdea2a5d97111abc552bc56d40baa9f5e58929648c9ee7920fcc5114f906e328fb5d2
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\nsaA1AF.tmp\System.dll
- Size 11KB
- SHA256 90f3cebb5b3759eb1bd72cee7cd8b694440ee398fe970b763db7a7b67208e4c8
- MD5 8508fa0ab17e36e071687243283c2aef
- SHA1 d45391d0454fbb9eb66fa72ecf0e2cadf0522bfe
- SHA512 241cf26e57006402897d8adaff37f3006c1bdbb09d6c5d10c32d556996df5785dc81c35ccbbc74384f80853a3e4aea7be251a4fa2613be42108e11a00692df5a
- SSDEEP 192:S9rQDenC9VrcK7REgSWOprANupQYLRszDDH/d9CWlXo7U6Wxf:SJQEaVAK7R9SfpjpQYLRszfH/d9CWB1j
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\Music\fordaervet.lnk
- Size 882B
- SHA256 ee0689f634fae8b8e450f31c791fc4c6c48e093087534e25d848367bec067240
- MD5 adabd6aae53aa1f4939f529cbb524c72
- SHA1 7dffe5e46e74339ee8e7eb0b05f413b74cee148d
- SHA512 09f55f11751170ad3985956a0785fa6354c16409f43ba552e1997b3e8d371a817ee86222b63f058745c19220fb4577482d5e28815a70a87b5b6667a6bce6bfe6
- MD5 SHA1 SHA512
- Path C:\Windows\Resources\surmounts.ini
- Size 39B
- SHA256 03d8a96ed613f8e88ceaaa246d9f7ddb3928aacd2603d2d0242506df6c460db1
- MD5 45c38e788dcfe31f2fc5db90732bcbe0
- SHA1 bb5c34609782471155b27aad7647c2f0d03c00d7
- SHA512 dee940546bcf5fbca0894083480613b3bff4176ebef4bdb86c9423ff0ef438cbf3985991c098835ca2e2f54e3dcd3b1416db0ed74a964635c6272543e657426f
- MD5 SHA1 SHA512