Analysis
- max time kernel
153s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
07/11/2022, 06:01
General
- Target file.exe
- Size 182KB
- Sample221107-gqwlsadhal
- SHA256 3bc5227813732c8d4dbc08c5ea54e8e79c885faff24e9528afc87f1f70095de5
Malware Config
Extracted
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djvu
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http://fresherlights.com/lancer/get.php
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extension
.zate
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offline_id
VW11mMMPfxPTr0epvPSw1m6GBzcKFb3H2Lm2nyt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
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ransomnote
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Extracted
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redline
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mario23_10
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167.235.252.160:10642
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auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
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vidar
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55.5
-
517
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https://t.me/tg_turgay
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https://ioc.exchange/@xiteb15011
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profile_id
517
Signatures
- Detected Djvu ransomware 11 IoCs
- Detects Smokeloader packer 3 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Vidar
Vidar is an infostealer based on Arkei stealer.
- Downloads MZ/PE file
- Executes dropped EXE 14 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 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 4 IoCs
- Checks SCSI registry key(s) 3 TTPs 9 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 32 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:\Users\Admin\AppData\Local\Temp\C95B.exeC:\Users\Admin\AppData\Local\Temp\C95B.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\C95B.exeC:\Users\Admin\AppData\Local\Temp\C95B.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\c5ff3151-a74b-40c5-a904-d8059070767f" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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C:\Users\Admin\AppData\Local\Temp\C95B.exe"C:\Users\Admin\AppData\Local\Temp\C95B.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\C95B.exe"C:\Users\Admin\AppData\Local\Temp\C95B.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
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C:\Users\Admin\AppData\Local\f5a8c99e-ef97-4332-8526-7a75e9efa773\build2.exe"C:\Users\Admin\AppData\Local\f5a8c99e-ef97-4332-8526-7a75e9efa773\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\f5a8c99e-ef97-4332-8526-7a75e9efa773\build2.exe"C:\Users\Admin\AppData\Local\f5a8c99e-ef97-4332-8526-7a75e9efa773\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\f5a8c99e-ef97-4332-8526-7a75e9efa773\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\f5a8c99e-ef97-4332-8526-7a75e9efa773\build3.exe"C:\Users\Admin\AppData\Local\f5a8c99e-ef97-4332-8526-7a75e9efa773\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:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\CC0B.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\CC0B.dll2⤵
- Loads dropped DLL
-
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C:\Users\Admin\AppData\Local\Temp\CD54.exeC:\Users\Admin\AppData\Local\Temp\CD54.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\CE7E.exeC:\Users\Admin\AppData\Local\Temp\CE7E.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\D0F0.exeC:\Users\Admin\AppData\Local\Temp\D0F0.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\D297.exeC:\Users\Admin\AppData\Local\Temp\D297.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 3402⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\D519.exeC:\Users\Admin\AppData\Local\Temp\D519.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 16042⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\DA59.exeC:\Users\Admin\AppData\Local\Temp\DA59.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 937802⤵
- 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 448 -p 1804 -ip 18041⤵
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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 440 -p 1148 -ip 11481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1908 -ip 19081⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4128 -ip 41281⤵
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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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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
C95B.exe
C95B.exe
C95B.exe
C95B.exe
C95B.exe
CC0B.dll
CC0B.dll
CC0B.dll
CD54.exe
CD54.exe
CE7E.exe
CE7E.exe
D0F0.exe
D0F0.exe
D297.exe
D297.exe
D519.exe
D519.exe
DA59.exe
DA59.exe
C95B.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/928-245-0x0000000000400000-0x000000000045C000-memory.dmp
memory/928-242-0x0000000000400000-0x000000000045C000-memory.dmp
memory/928-243-0x0000000000400000-0x000000000045C000-memory.dmp
memory/928-239-0x0000000000400000-0x000000000045C000-memory.dmp
memory/928-254-0x0000000000400000-0x000000000045C000-memory.dmp
memory/1148-189-0x00000000008CB000-0x00000000008E0000-memory.dmp
memory/1148-190-0x0000000000400000-0x000000000084B000-memory.dmp
memory/1804-170-0x0000000000400000-0x0000000000588000-memory.dmp
memory/1804-169-0x00000000006D0000-0x00000000006D9000-memory.dmp
memory/1804-167-0x00000000008FD000-0x000000000090D000-memory.dmp
memory/2080-132-0x000000000073D000-0x000000000074E000-memory.dmp
memory/2080-136-0x0000000000400000-0x0000000000588000-memory.dmp
memory/2080-135-0x000000000073D000-0x000000000074E000-memory.dmp
memory/2080-134-0x0000000000400000-0x0000000000588000-memory.dmp
memory/2080-133-0x00000000006E0000-0x00000000006E9000-memory.dmp
memory/2136-195-0x0000000002E60000-0x0000000002F2D000-memory.dmp
memory/2136-155-0x0000000002770000-0x00000000028E8000-memory.dmp
memory/2136-205-0x0000000002F40000-0x0000000002FF8000-memory.dmp
memory/2136-204-0x0000000002F40000-0x0000000002FF8000-memory.dmp
memory/2136-176-0x0000000002D40000-0x0000000002E54000-memory.dmp
memory/2136-197-0x0000000002D40000-0x0000000002E54000-memory.dmp
memory/2136-175-0x0000000002B00000-0x0000000002C16000-memory.dmp
memory/2216-174-0x0000000001290000-0x0000000001305000-memory.dmp
memory/2216-186-0x0000000001220000-0x000000000128B000-memory.dmp
memory/2216-171-0x0000000001220000-0x000000000128B000-memory.dmp
memory/2240-196-0x0000000000400000-0x000000000084B000-memory.dmp
memory/2240-188-0x0000000000400000-0x000000000084B000-memory.dmp
memory/2240-187-0x00000000008FB000-0x0000000000910000-memory.dmp
memory/2264-159-0x00000000005C0000-0x00000000005C9000-memory.dmp
memory/2264-158-0x00000000006BD000-0x00000000006CD000-memory.dmp
memory/2264-161-0x0000000000400000-0x0000000000588000-memory.dmp
memory/2264-177-0x0000000000400000-0x0000000000588000-memory.dmp
memory/2288-173-0x0000000000EF0000-0x0000000000EFC000-memory.dmp
memory/2472-241-0x000000000088D000-0x00000000008B6000-memory.dmp
memory/2472-244-0x0000000002490000-0x00000000024D8000-memory.dmp
memory/2736-221-0x0000000002523000-0x00000000025B4000-memory.dmp
memory/4128-192-0x0000000000910000-0x000000000094E000-memory.dmp
memory/4128-193-0x0000000000400000-0x0000000000867000-memory.dmp
memory/4128-229-0x0000000005150000-0x000000000518C000-memory.dmp
memory/4128-257-0x0000000000400000-0x0000000000867000-memory.dmp
memory/4128-256-0x00000000009AB000-0x00000000009DC000-memory.dmp
memory/4128-217-0x0000000005130000-0x0000000005142000-memory.dmp
memory/4128-252-0x0000000006B50000-0x000000000707C000-memory.dmp
memory/4128-215-0x00000000058B0000-0x0000000005EC8000-memory.dmp
memory/4128-214-0x00000000009AB000-0x00000000009DC000-memory.dmp
memory/4128-251-0x0000000006980000-0x0000000006B42000-memory.dmp
memory/4128-210-0x0000000005000000-0x0000000005092000-memory.dmp
memory/4128-191-0x00000000009AB000-0x00000000009DC000-memory.dmp
memory/4128-209-0x00000000051A0000-0x0000000005744000-memory.dmp
memory/4556-180-0x00000000026D0000-0x00000000027EB000-memory.dmp
memory/4556-178-0x0000000000AE4000-0x0000000000B75000-memory.dmp
memory/22128-185-0x0000000000400000-0x0000000000537000-memory.dmp
memory/22128-208-0x0000000000400000-0x0000000000537000-memory.dmp
memory/22128-184-0x0000000000400000-0x0000000000537000-memory.dmp
memory/22128-181-0x0000000000400000-0x0000000000537000-memory.dmp
memory/22128-183-0x0000000000400000-0x0000000000537000-memory.dmp
memory/22128-213-0x0000000000400000-0x0000000000537000-memory.dmp
memory/97200-250-0x0000000005970000-0x00000000059D6000-memory.dmp
memory/97200-216-0x0000000005660000-0x000000000576A000-memory.dmp
memory/97200-199-0x0000000000400000-0x0000000000460000-memory.dmp
memory/97212-247-0x0000000000400000-0x0000000000537000-memory.dmp
memory/97212-223-0x0000000000400000-0x0000000000537000-memory.dmp
memory/97212-230-0x0000000000400000-0x0000000000537000-memory.dmp
memory/97212-222-0x0000000000400000-0x0000000000537000-memory.dmp