Analysis
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max time kernel
149s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
24-04-2023 12:30
Static task
static1
Behavioral task
behavioral1
Sample
88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe
Resource
win10v2004-20230220-en
General
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Target
88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe
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Size
458KB
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MD5
d38bde6f010a1ce3e09bc3be6102930c
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SHA1
712a65686a235873ca3aebfb46773670201afc41
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SHA256
88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e
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SHA512
025a640418bf4bfc4513f03d8158ff470844f3cbaafe3c9ad1dbbb7aa01eaf5992a94bd3e208f21b13a12e32fcc301160228e429ca4197c7ae626cdba581d18b
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SSDEEP
12288:B8H5Q0CAhJhnwuI29czuo8dIcR0pP1wni:BgS0CAmuI2eEdIcRYWi
Malware Config
Extracted
vidar
3.5
2234cb18bdcd93ea6f4e5f1473025a81
https://steamcommunity.com/profiles/76561199497218285
https://t.me/tg_duckworld
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profile_id_v2
2234cb18bdcd93ea6f4e5f1473025a81
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user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7
Extracted
laplas
http://89.23.97.128
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api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 94887393972174515740.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 94887393972174515740.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 94887393972174515740.exe -
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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe -
Executes dropped EXE 2 IoCs
pid Process 560 94887393972174515740.exe 3644 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 2004 88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe 2004 88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 94887393972174515740.exe -
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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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 94887393972174515740.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 560 94887393972174515740.exe 3644 ntlhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 46 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2004 88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe 2004 88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2004 88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2004 wrote to memory of 560 2004 88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe 91 PID 2004 wrote to memory of 560 2004 88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe 91 PID 560 wrote to memory of 3644 560 94887393972174515740.exe 93 PID 560 wrote to memory of 3644 560 94887393972174515740.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe"C:\Users\Admin\AppData\Local\Temp\88cde053b39811eb6958253607d2e61fa0ed14e178ed199fc1b3ea87b8207d8e.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\ProgramData\94887393972174515740.exe"C:\ProgramData\94887393972174515740.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3644
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
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Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
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Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
849.0MB
MD57b9157bcd02c4f17bb737131c2286056
SHA102082fd6e26928ac11d2194af25f77c9deacfb2a
SHA256c0446fc94cbc8ac3d04257f1fd9dcda4ee7a28b93c956c6ecd8fab1fdff37879
SHA5128d38889bc1d50beff1d88877f36fac0952e62eb2d9dd46bcedc364a16d93a302a30d3cee7864d6046204a16bd15d38a07f195fbb270df9d53b7311768ab128de
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Filesize
829.1MB
MD55a2573aae70cf6584eafdda6aaab7e89
SHA138e8e2f2df03e34c558a4c224d0740644a2b0c38
SHA2567bb1cffc35e3257d4036c6be45ec21764995594aea2f63880a8ba5e6554391cc
SHA512b7abf9dba71525aa46a36b2c4f17263b902fb2d43caa0fa5278459bcdbb7f27dca00f83e12fd92598cafb8a939b221c559f684018907a7c7dbfd374716f7ea1b