Analysis
- max time kernel
151s - max time network
169s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
19/10/2022, 23:32
General
- Target file.exe
- Size 229KB
- Sample221019-3jdchsdbhm
- SHA256 075310cff3a6a0b37caa0e12167c938d13c0c8fa812c4faaa53ee42fd600770f
Malware Config
Extracted
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djvu
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http://winnlinne.com/lancer/get.php
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extension
.tury
-
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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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
-
type
loader
Signatures
- Danabot
Danabot is a modular banking Trojan that has been linked with other malware.
- Detected Djvu ransomware 10 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 1 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 5 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.
- 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 3 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 25 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 33 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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\28D5.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\28D5.dll2⤵
- Loads dropped DLL
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C:\Users\Admin\AppData\Local\Temp\29E0.exeC:\Users\Admin\AppData\Local\Temp\29E0.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\29E0.exeC:\Users\Admin\AppData\Local\Temp\29E0.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\b9f227d1-8e82-4ab9-9e07-9ce0ee38704d" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
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C:\Users\Admin\AppData\Local\Temp\29E0.exe"C:\Users\Admin\AppData\Local\Temp\29E0.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\29E0.exe"C:\Users\Admin\AppData\Local\Temp\29E0.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\f2138ba7-72af-46b8-8672-a707c398072f\build2.exe"C:\Users\Admin\AppData\Local\f2138ba7-72af-46b8-8672-a707c398072f\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\f2138ba7-72af-46b8-8672-a707c398072f\build2.exe"C:\Users\Admin\AppData\Local\f2138ba7-72af-46b8-8672-a707c398072f\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\f2138ba7-72af-46b8-8672-a707c398072f\build2.exe" & exit7⤵
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
-
-
-
-
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C:\Users\Admin\AppData\Local\f2138ba7-72af-46b8-8672-a707c398072f\build3.exe"C:\Users\Admin\AppData\Local\f2138ba7-72af-46b8-8672-a707c398072f\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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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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C:\Users\Admin\AppData\Local\Temp\2CBF.exeC:\Users\Admin\AppData\Local\Temp\2CBF.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\2E56.exeC:\Users\Admin\AppData\Local\Temp\2E56.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 3402⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\31F1.exeC:\Users\Admin\AppData\Local\Temp\31F1.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4300 -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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1272 -ip 12721⤵
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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 560 -p 4300 -ip 43001⤵
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C:\Users\Admin\AppData\Local\Temp\CF2C.exeC:\Users\Admin\AppData\Local\Temp\CF2C.exe1⤵
- Executes dropped EXE
- 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\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 4452 -s 6282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 10082⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 10162⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 10522⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 10402⤵
- 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 0x2cc 0x2f41⤵
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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 488 -p 4452 -ip 44521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4452 -ip 44521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4452 -ip 44521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4452 -ip 44521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4452 -ip 44521⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
sqlite3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
28D5.dll
28D5.dll
28D5.dll
29E0.exe
29E0.exe
29E0.exe
29E0.exe
29E0.exe
2CBF.exe
2CBF.exe
2E56.exe
2E56.exe
31F1.exe
31F1.exe
CF2C.exe
CF2C.exe
Sepawuaopqtypsq.tmp
29E0.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/740-165-0x0000000000550000-0x000000000055C000-memory.dmp
memory/1264-194-0x00000000008B9000-0x000000000094B000-memory.dmp
memory/1272-163-0x0000000000400000-0x0000000000597000-memory.dmp
memory/1272-173-0x0000000000643000-0x0000000000654000-memory.dmp
memory/1460-161-0x0000000000400000-0x0000000000596000-memory.dmp
memory/1460-170-0x0000000000673000-0x0000000000683000-memory.dmp
memory/1460-160-0x00000000005E0000-0x00000000005E9000-memory.dmp
memory/1460-188-0x0000000000400000-0x0000000000596000-memory.dmp
memory/1740-200-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1740-193-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1740-195-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1740-219-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2304-242-0x0000000000D10000-0x0000000000D13000-memory.dmp
memory/2304-244-0x0000000000D30000-0x0000000000D33000-memory.dmp
memory/2304-238-0x0000000000CD0000-0x0000000000CD3000-memory.dmp
memory/2304-247-0x0000000000D50000-0x0000000000D53000-memory.dmp
memory/2304-239-0x0000000000CE0000-0x0000000000CE3000-memory.dmp
memory/2304-241-0x0000000000D00000-0x0000000000D03000-memory.dmp
memory/2304-240-0x0000000000CF0000-0x0000000000CF3000-memory.dmp
memory/2304-245-0x0000000000D40000-0x0000000000D43000-memory.dmp
memory/2304-243-0x0000000000D20000-0x0000000000D23000-memory.dmp
memory/2304-159-0x0000000002200000-0x000000000231B000-memory.dmp
memory/2304-158-0x00000000007C8000-0x000000000085A000-memory.dmp
memory/2304-246-0x0000000000D50000-0x0000000000D53000-memory.dmp
memory/3204-215-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3204-220-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3204-213-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3204-211-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3204-209-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3204-233-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3208-157-0x0000000003540000-0x000000000363E000-memory.dmp
memory/3208-156-0x0000000003340000-0x000000000343E000-memory.dmp
memory/3208-184-0x0000000003540000-0x000000000363E000-memory.dmp
memory/3208-180-0x0000000003710000-0x00000000037BD000-memory.dmp
memory/3208-178-0x0000000003640000-0x0000000003702000-memory.dmp
memory/3208-145-0x0000000002C00000-0x0000000002DF8000-memory.dmp
memory/4124-212-0x0000000000622000-0x000000000064A000-memory.dmp
memory/4124-214-0x00000000021C0000-0x0000000002204000-memory.dmp
memory/4300-177-0x0000000000400000-0x0000000000597000-memory.dmp
memory/4300-176-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4300-175-0x0000000000893000-0x00000000008A4000-memory.dmp
memory/4328-132-0x0000000000863000-0x0000000000874000-memory.dmp
memory/4328-135-0x0000000000863000-0x0000000000874000-memory.dmp
memory/4328-133-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4328-134-0x0000000000400000-0x0000000000597000-memory.dmp
memory/4328-136-0x0000000000400000-0x0000000000597000-memory.dmp
memory/4452-254-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/4452-256-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/4452-253-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/4452-225-0x00000000008C1000-0x00000000009DF000-memory.dmp
memory/4452-226-0x00000000024B0000-0x0000000002772000-memory.dmp
memory/4452-235-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4452-236-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4452-251-0x0000000003090000-0x0000000003B53000-memory.dmp
memory/4452-258-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4452-250-0x0000000003090000-0x0000000003B53000-memory.dmp
memory/4452-257-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/4452-228-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4452-255-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/4452-249-0x0000000003090000-0x0000000003B53000-memory.dmp
memory/4452-227-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4452-252-0x0000000003C20000-0x0000000003D60000-memory.dmp
memory/4464-172-0x00000000010A0000-0x0000000001115000-memory.dmp
memory/4464-174-0x0000000001030000-0x000000000109B000-memory.dmp
memory/4464-162-0x0000000001030000-0x000000000109B000-memory.dmp
memory/4848-167-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4848-171-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4848-189-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4848-179-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4848-169-0x0000000000400000-0x0000000000537000-memory.dmp