Analysis
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max time kernel
158s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2023, 07:54
Static task
static1
Behavioral task
behavioral1
Sample
2353ef140fcfb38add13c74b388b710d.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2353ef140fcfb38add13c74b388b710d.exe
Resource
win10v2004-20230915-en
General
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Target
2353ef140fcfb38add13c74b388b710d.exe
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Size
290KB
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MD5
2353ef140fcfb38add13c74b388b710d
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SHA1
4c7f18fc0fc379e232df0303dd80654d693e45b5
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SHA256
17fda4fb35aa42510fe2ae20d26a6d74ee65075ce95a084c32ca9548a58838a0
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SHA512
d0f18c59678592ac7c123bafdf963a4d5ae36adbecc37fd4e4fd4f786033ad01b366cbb174498f0709bb2006a865463f01c20522ddefda2b3e196a56b0a58c5c
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SSDEEP
6144:w1S2o9ph6wYDkInQFXYFed9jjzehAMwr71V82IXRn:ws20ZUZFijzehAMz2S
Malware Config
Extracted
vidar
5.9
e22d2e68f8601f5538d68ac735f8c50d
https://steamcommunity.com/profiles/76561199557479327
https://t.me/grizmons
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profile_id_v2
e22d2e68f8601f5538d68ac735f8c50d
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 OPR/104.0.0.0
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation 2353ef140fcfb38add13c74b388b710d.exe -
Loads dropped DLL 2 IoCs
pid Process 1960 2353ef140fcfb38add13c74b388b710d.exe 1960 2353ef140fcfb38add13c74b388b710d.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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 3824 1960 WerFault.exe 81 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2353ef140fcfb38add13c74b388b710d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2353ef140fcfb38add13c74b388b710d.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4760 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1960 2353ef140fcfb38add13c74b388b710d.exe 1960 2353ef140fcfb38add13c74b388b710d.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeManageVolumePrivilege 1904 svchost.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1960 wrote to memory of 4660 1960 2353ef140fcfb38add13c74b388b710d.exe 98 PID 1960 wrote to memory of 4660 1960 2353ef140fcfb38add13c74b388b710d.exe 98 PID 1960 wrote to memory of 4660 1960 2353ef140fcfb38add13c74b388b710d.exe 98 PID 4660 wrote to memory of 4760 4660 cmd.exe 102 PID 4660 wrote to memory of 4760 4660 cmd.exe 102 PID 4660 wrote to memory of 4760 4660 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\2353ef140fcfb38add13c74b388b710d.exe"C:\Users\Admin\AppData\Local\Temp\2353ef140fcfb38add13c74b388b710d.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2353ef140fcfb38add13c74b388b710d.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 15882⤵
- Program crash
PID:3824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1960 -ip 19601⤵PID:3028
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:3908
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1904
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571