Analysis
- max time kernel
152s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
20/10/2022, 01:42
General
- Target 7d4da34b4e7cd43338b518e86ffdd2a57da3257904478cc3ab38e0b230de7640.exe
- Size 145KB
- Sample221020-b4m9nshbd2
- SHA256 7d4da34b4e7cd43338b518e86ffdd2a57da3257904478cc3ab38e0b230de7640
Malware Config
Extracted
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djvu
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http://winnlinne.com/lancer/get.php
-
extension
.tury
-
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
-
payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
-
ransomnote
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Extracted
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vidar
-
55.1
-
517
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https://t.me/tg_privatetalk
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https://nerdculture.de/@yixehi33
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profile_id
517
Extracted
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danabot
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192.236.233.188:443
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192.119.70.159:443
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23.106.124.171:443
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213.227.155.103:443
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embedded_hash
56951C922035D696BFCE443750496462
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type
loader
Signatures
- Danabot
Danabot is a modular banking Trojan that has been linked with other malware.
- Detected Djvu ransomware 11 IoCs
- Detects Smokeloader packer 3 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Blocklisted process makes network request 2 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 12 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 4 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses 2FA software files, possible credential harvesting 2 TTPs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 7 IoCs
- Checks SCSI registry key(s) 3 TTPs 42 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 51 IoCs
Processor information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 37 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\7d4da34b4e7cd43338b518e86ffdd2a57da3257904478cc3ab38e0b230de7640.exe"C:\Users\Admin\AppData\Local\Temp\7d4da34b4e7cd43338b518e86ffdd2a57da3257904478cc3ab38e0b230de7640.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\5CE5.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\5CE5.dll2⤵
- Loads dropped DLL
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C:\Users\Admin\AppData\Local\Temp\5DC1.exeC:\Users\Admin\AppData\Local\Temp\5DC1.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5DC1.exeC:\Users\Admin\AppData\Local\Temp\5DC1.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\38a3c848-bba9-4371-8c17-a36d54450982" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
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C:\Users\Admin\AppData\Local\Temp\5DC1.exe"C:\Users\Admin\AppData\Local\Temp\5DC1.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5DC1.exe"C:\Users\Admin\AppData\Local\Temp\5DC1.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\d5e9ae88-5814-408a-ad1c-d8571f0bf4b9\build2.exe"C:\Users\Admin\AppData\Local\d5e9ae88-5814-408a-ad1c-d8571f0bf4b9\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\d5e9ae88-5814-408a-ad1c-d8571f0bf4b9\build2.exe"C:\Users\Admin\AppData\Local\d5e9ae88-5814-408a-ad1c-d8571f0bf4b9\build2.exe"6⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\d5e9ae88-5814-408a-ad1c-d8571f0bf4b9\build2.exe" & exit7⤵
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
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-
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C:\Users\Admin\AppData\Local\d5e9ae88-5814-408a-ad1c-d8571f0bf4b9\build3.exe"C:\Users\Admin\AppData\Local\d5e9ae88-5814-408a-ad1c-d8571f0bf4b9\build3.exe"5⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"6⤵
- Creates scheduled task(s)
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-
-
-
-
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C:\Users\Admin\AppData\Local\Temp\5EEB.exeC:\Users\Admin\AppData\Local\Temp\5EEB.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 3402⤵
- Program crash
-
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C:\Users\Admin\AppData\Local\Temp\6063.exeC:\Users\Admin\AppData\Local\Temp\6063.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\649A.exeC:\Users\Admin\AppData\Local\Temp\649A.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 3402⤵
- Program crash
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1852 -ip 18521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3304 -ip 33041⤵
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C:\Users\Admin\AppData\Local\Temp\DB13.exeC:\Users\Admin\AppData\Local\Temp\DB13.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Checks processor information in registry
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C:\Windows\SysWOW64\agentactivationruntimestarter.exeC:\Windows\system32\agentactivationruntimestarter.exe2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 6282⤵
- Program crash
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Blocklisted process makes network request
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 9322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 10482⤵
- Program crash
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 10562⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 9402⤵
- Program crash
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k AarSvcGroup -p -s AarSvc1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x38c 0x4b41⤵
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"2⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1820 -ip 18201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1820 -ip 18201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 1820 -ip 18201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 1820 -ip 18201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 1820 -ip 18201⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
sqlite3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
5DC1.exe
5CE5.dll
5CE5.dll
5DC1.exe
5DC1.exe
5DC1.exe
5DC1.exe
5DC1.exe
5EEB.exe
5EEB.exe
6063.exe
6063.exe
649A.exe
649A.exe
DB13.exe
DB13.exe
Sepawuaopqtypsq.tmp
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/360-193-0x0000000000759000-0x00000000007EB000-memory.dmp
memory/1596-132-0x00000000007DE000-0x00000000007EE000-memory.dmp
memory/1596-133-0x0000000000720000-0x0000000000729000-memory.dmp
memory/1596-135-0x0000000000400000-0x0000000000581000-memory.dmp
memory/1596-134-0x0000000000400000-0x0000000000581000-memory.dmp
memory/1820-232-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/1820-253-0x0000000003D50000-0x0000000003E90000-memory.dmp
memory/1820-249-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/1820-258-0x0000000003D50000-0x0000000003E90000-memory.dmp
memory/1820-231-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/1820-250-0x0000000003010000-0x0000000003AD3000-memory.dmp
memory/1820-251-0x0000000003010000-0x0000000003AD3000-memory.dmp
memory/1820-224-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/1820-223-0x00000000025C0000-0x0000000002882000-memory.dmp
memory/1820-222-0x0000000000AF5000-0x0000000000C13000-memory.dmp
memory/1820-252-0x0000000003D50000-0x0000000003E90000-memory.dmp
memory/1820-259-0x0000000003D50000-0x0000000003E90000-memory.dmp
memory/1820-254-0x0000000003D50000-0x0000000003E90000-memory.dmp
memory/1820-256-0x0000000003D50000-0x0000000003E90000-memory.dmp
memory/1820-248-0x0000000003010000-0x0000000003AD3000-memory.dmp
memory/1820-257-0x0000000003D50000-0x0000000003E90000-memory.dmp
memory/1820-255-0x0000000003D50000-0x0000000003E90000-memory.dmp
memory/1852-156-0x0000000000603000-0x0000000000613000-memory.dmp
memory/1852-157-0x0000000000400000-0x0000000000596000-memory.dmp
memory/2060-263-0x0000000003540000-0x0000000003680000-memory.dmp
memory/2060-265-0x00000000029B0000-0x0000000003473000-memory.dmp
memory/2060-264-0x0000000000540000-0x0000000000EE4000-memory.dmp
memory/2060-261-0x00000000029B0000-0x0000000003473000-memory.dmp
memory/2060-262-0x0000000003540000-0x0000000003680000-memory.dmp
memory/2084-245-0x0000000000510000-0x0000000000514000-memory.dmp
memory/2084-238-0x00000000004A0000-0x00000000004A4000-memory.dmp
memory/2084-244-0x0000000000500000-0x0000000000504000-memory.dmp
memory/2084-242-0x00000000004E0000-0x00000000004E4000-memory.dmp
memory/2084-246-0x0000000000510000-0x0000000000514000-memory.dmp
memory/2084-241-0x00000000004D0000-0x00000000004D4000-memory.dmp
memory/2084-240-0x00000000004C0000-0x00000000004C4000-memory.dmp
memory/2084-239-0x00000000004B0000-0x00000000004B4000-memory.dmp
memory/2084-243-0x00000000004F0000-0x00000000004F4000-memory.dmp
memory/2084-237-0x0000000000490000-0x0000000000494000-memory.dmp
memory/2224-148-0x000000000086C000-0x00000000008FE000-memory.dmp
memory/2224-149-0x00000000021E0000-0x00000000022FB000-memory.dmp
memory/2308-174-0x0000000000870000-0x00000000008E5000-memory.dmp
memory/2308-176-0x0000000000800000-0x000000000086B000-memory.dmp
memory/2308-181-0x0000000000800000-0x000000000086B000-memory.dmp
memory/2316-208-0x0000000000975000-0x000000000099D000-memory.dmp
memory/2316-210-0x0000000000700000-0x0000000000744000-memory.dmp
memory/2932-175-0x0000000002ED0000-0x0000000002FCE000-memory.dmp
memory/2932-178-0x00000000026D0000-0x000000000277D000-memory.dmp
memory/2932-177-0x0000000002FD0000-0x0000000003092000-memory.dmp
memory/2932-182-0x0000000002ED0000-0x0000000002FCE000-memory.dmp
memory/2932-173-0x0000000002CD0000-0x0000000002DCE000-memory.dmp
memory/2972-205-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2972-207-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2972-227-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2972-234-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2972-211-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2972-209-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3304-160-0x0000000000400000-0x0000000000597000-memory.dmp
memory/3304-159-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3304-158-0x00000000007B3000-0x00000000007C4000-memory.dmp
memory/3316-185-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3316-170-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3316-188-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3316-172-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3316-166-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3316-168-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3396-163-0x00000000005D0000-0x00000000005D7000-memory.dmp
memory/3396-164-0x00000000005C0000-0x00000000005CC000-memory.dmp
memory/4004-153-0x0000000000923000-0x0000000000934000-memory.dmp
memory/4004-154-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4004-155-0x0000000000400000-0x0000000000597000-memory.dmp
memory/4004-171-0x0000000000400000-0x0000000000597000-memory.dmp
memory/4492-200-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4492-194-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4492-192-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4492-221-0x0000000000400000-0x0000000000537000-memory.dmp