Analysis
-
max time kernel
148s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2023 15:08
Static task
static1
General
-
Target
fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe
-
Size
326KB
-
MD5
8da056e65066dbb028ce88a42321ad4d
-
SHA1
aef254d0a8977153199c356ebbb19d7fddc192bc
-
SHA256
fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307
-
SHA512
b53ace0e125eb7ae3c2ef2c447019d9495c12f06d61639c29b33250f1bca5ccd000e9f3145e6ec7507018a585d2dcd253390dcb743bae2f3095a23bfc59ec799
-
SSDEEP
6144:hg4vA+cB6JFPcl4DiQK1hGtCa7J/EHPSw2hXhZDnmFguKpD:hg4vA+cBMFPXWTOQa79uPp2hXvo
Malware Config
Extracted
vidar
3.5
2234cb18bdcd93ea6f4e5f1473025a81
https://steamcommunity.com/profiles/76561199497218285
https://t.me/tg_duckworld
-
profile_id_v2
2234cb18bdcd93ea6f4e5f1473025a81
-
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
-
api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 42465478628787189647.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Downloads MZ/PE file
-
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 42465478628787189647.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 42465478628787189647.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.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 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe -
Executes dropped EXE 3 IoCs
pid Process 3760 42465478628787189647.exe 4368 56666907541404614621.exe 4552 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral1/files/0x0006000000023152-245.dat upx behavioral1/files/0x0006000000023152-248.dat upx behavioral1/files/0x0006000000023152-247.dat upx behavioral1/memory/4368-249-0x0000000000D90000-0x0000000001BF4000-memory.dmp upx behavioral1/memory/4368-250-0x0000000000D90000-0x0000000001BF4000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
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" 42465478628787189647.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 42465478628787189647.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3760 42465478628787189647.exe 4552 ntlhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
pid pid_target Process procid_target 4176 1224 WerFault.exe 83 -
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 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1976 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 49 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1224 wrote to memory of 3760 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe 90 PID 1224 wrote to memory of 3760 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe 90 PID 1224 wrote to memory of 4368 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe 92 PID 1224 wrote to memory of 4368 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe 92 PID 4368 wrote to memory of 2812 4368 56666907541404614621.exe 93 PID 4368 wrote to memory of 2812 4368 56666907541404614621.exe 93 PID 2812 wrote to memory of 3776 2812 cmd.exe 95 PID 2812 wrote to memory of 3776 2812 cmd.exe 95 PID 1224 wrote to memory of 2200 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe 96 PID 1224 wrote to memory of 2200 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe 96 PID 1224 wrote to memory of 2200 1224 fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe 96 PID 2200 wrote to memory of 1976 2200 cmd.exe 100 PID 2200 wrote to memory of 1976 2200 cmd.exe 100 PID 2200 wrote to memory of 1976 2200 cmd.exe 100 PID 3760 wrote to memory of 4552 3760 42465478628787189647.exe 102 PID 3760 wrote to memory of 4552 3760 42465478628787189647.exe 102
Processes
-
C:\Users\Admin\AppData\Local\Temp\fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe"C:\Users\Admin\AppData\Local\Temp\fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\ProgramData\42465478628787189647.exe"C:\ProgramData\42465478628787189647.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:3760 -
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:4552
-
-
-
C:\ProgramData\56666907541404614621.exe"C:\ProgramData\56666907541404614621.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4368 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\56666907541404614621.exe3⤵
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3776
-
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\fcd40587906904f95000d550d7a7dbc582737f2715d308a0b37646040a76f307.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1976
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 20762⤵
- Program crash
PID:4176
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1224 -ip 12241⤵PID:2380
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
-
Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
-
Filesize
3.0MB
MD5e81570d802d26df3dde953770c8c9766
SHA1d8df423343b59f8b53f10722b023622477e5fb31
SHA256e1290a9463ef7d1d61645b7d3fd3e4a7518023091f85ab4085308f70d437707f
SHA5121d03bc26a97b4eb680fe9d1996c525e086f6efcb40db2946e7297544a85cd0b6999ac03ed11048dc424631a643ba95a0624865351e86fb76ebc61641c73b7778
-
Filesize
4.3MB
MD5196a4cdba36b3fe8f82a215732c486b4
SHA19186f53143e01b28af100e1000eb443e6afbe292
SHA256651e80215fee5757287bd028e7cda4a67865f0c6e0cad46c82706bf0e2565478
SHA5125e0fc394e6cf8ee16f1227ebbb3ef02ad17c0da9bbf1c51ebcec4ca9343d6993305b26bf2f8ab0b326a2af87797a6d75bc2c544bf8503f3d55347d47ec159143
-
Filesize
4.3MB
MD5196a4cdba36b3fe8f82a215732c486b4
SHA19186f53143e01b28af100e1000eb443e6afbe292
SHA256651e80215fee5757287bd028e7cda4a67865f0c6e0cad46c82706bf0e2565478
SHA5125e0fc394e6cf8ee16f1227ebbb3ef02ad17c0da9bbf1c51ebcec4ca9343d6993305b26bf2f8ab0b326a2af87797a6d75bc2c544bf8503f3d55347d47ec159143
-
Filesize
4.3MB
MD5196a4cdba36b3fe8f82a215732c486b4
SHA19186f53143e01b28af100e1000eb443e6afbe292
SHA256651e80215fee5757287bd028e7cda4a67865f0c6e0cad46c82706bf0e2565478
SHA5125e0fc394e6cf8ee16f1227ebbb3ef02ad17c0da9bbf1c51ebcec4ca9343d6993305b26bf2f8ab0b326a2af87797a6d75bc2c544bf8503f3d55347d47ec159143
-
Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
Filesize
761.1MB
MD5a775877ec8435110a075fdc288c20726
SHA178db12fe8dc6fb1984fc00050c9978a170222aa7
SHA2563dcb9f738598d601bbca86a5229a964995d63afd4c432d00d510438ffab2aad6
SHA51281a975ac6fe9e94b793abfa1ea5370e205823f725bc172c91b2cfef7b3843445717549e75cb61e2f956f108290bd9c97093b42f4963fe3e1d63e054206124228
-
Filesize
756.3MB
MD50e08300a373b2c6d8ccdaa7f45c9c898
SHA1590831fb27abee82f716d0d8f764a73191779852
SHA2564cad960f0860df9d7265201bf7f9895756ca857f628de6b3b127d62ee090b0e6
SHA512161120e6540a390067ca9f55e2c2541255735f6a60a58f88ba4c2c32568b53998a391b290a8795559174ff027597038379e4714868c95be4424d1fb30280e86a