Analysis
- max time kernel
152s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
14/10/2022, 02:56
General
- Target 3926dc32500a1214432357400c2743e1.exe
- Size 269KB
- Sample221014-de16cadedp
- SHA256 3401e90a5b86359f03b67abcd85b275e7e3caa7be6f5a137d26a422d6a7590db
Malware Config
Extracted
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djvu
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http://winnlinne.com/lancer/get.php
-
extension
.powz
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offline_id
tHl9RvVtHhFQisMomKMdXzz2soNLhV0cuok85it1
-
payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
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vidar
-
55
-
517
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https://t.me/truewallets
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https://mas.to/@zara99
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http://116.203.10.3:80
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profile_id
517
Extracted
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danabot
-
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.
- Downloads MZ/PE file
- Executes dropped EXE 13 IoCs
- VMProtect packed file 6 IoCs
Detects executables packed with VMProtect commercial packer.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 3 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 1 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 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.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 15 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3926dc32500a1214432357400c2743e1.exe"C:\Users\Admin\AppData\Local\Temp\3926dc32500a1214432357400c2743e1.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\4E6E.exeC:\Users\Admin\AppData\Local\Temp\4E6E.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\4E6E.exeC:\Users\Admin\AppData\Local\Temp\4E6E.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\1593842a-3482-4b5c-8313-28672a0f3881" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
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C:\Users\Admin\AppData\Local\Temp\4E6E.exe"C:\Users\Admin\AppData\Local\Temp\4E6E.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\4E6E.exe"C:\Users\Admin\AppData\Local\Temp\4E6E.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\fae6002e-4cf0-454a-8ed1-493fbfdcb079\build2.exe"C:\Users\Admin\AppData\Local\fae6002e-4cf0-454a-8ed1-493fbfdcb079\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\fae6002e-4cf0-454a-8ed1-493fbfdcb079\build2.exe"C:\Users\Admin\AppData\Local\fae6002e-4cf0-454a-8ed1-493fbfdcb079\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
-
-
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C:\Users\Admin\AppData\Local\fae6002e-4cf0-454a-8ed1-493fbfdcb079\build3.exe"C:\Users\Admin\AppData\Local\fae6002e-4cf0-454a-8ed1-493fbfdcb079\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)
-
-
-
-
-
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\5257.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\5257.dll2⤵
- Loads dropped DLL
-
-
C:\Users\Admin\AppData\Local\Temp\BB14.exeC:\Users\Admin\AppData\Local\Temp\BB14.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\BF8A.exeC:\Users\Admin\AppData\Local\Temp\BF8A.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 4482⤵
- Program crash
-
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C:\Users\Admin\AppData\Local\Temp\C2E6.exeC:\Users\Admin\AppData\Local\Temp\C2E6.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\C72D.exeC:\Users\Admin\AppData\Local\Temp\C72D.exe1⤵
- Executes dropped EXE
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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 444 -p 3208 -ip 32081⤵
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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:\Users\Admin\AppData\Local\Temp\6265.exeC:\Users\Admin\AppData\Local\Temp\6265.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\agentactivationruntimestarter.exeC:\Windows\system32\agentactivationruntimestarter.exe2⤵
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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 0x3f8 0x33c1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
4E6E.exe
4E6E.exe
4E6E.exe
4E6E.exe
4E6E.exe
4E6E.exe
5257.dll
5257.dll
6265.exe
6265.exe
BB14.exe
BB14.exe
BF8A.exe
BF8A.exe
C2E6.exe
C2E6.exe
C72D.exe
C72D.exe
build2.exe
build2.exe
build2.exe
build3.exe
build3.exe
mstsca.exe
mstsca.exe
memory/8-224-0x0000000000400000-0x0000000000537000-memory.dmp
memory/8-181-0x0000000000400000-0x0000000000537000-memory.dmp
memory/8-183-0x0000000000400000-0x0000000000537000-memory.dmp
memory/8-186-0x0000000000400000-0x0000000000537000-memory.dmp
memory/976-169-0x0000000140000000-0x000000014060F000-memory.dmp
memory/1484-132-0x000000000059E000-0x00000000005AE000-memory.dmp
memory/1484-135-0x000000000059E000-0x00000000005AE000-memory.dmp
memory/1484-133-0x0000000000560000-0x0000000000569000-memory.dmp
memory/1484-136-0x0000000000400000-0x0000000000448000-memory.dmp
memory/1484-137-0x0000000000560000-0x0000000000569000-memory.dmp
memory/1484-134-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2212-203-0x00000000007C0000-0x00000000007CC000-memory.dmp
memory/2648-151-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2648-147-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2648-165-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2648-149-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2648-152-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3020-153-0x00000000029C0000-0x0000000002B41000-memory.dmp
memory/3020-157-0x0000000002DD0000-0x0000000002E93000-memory.dmp
memory/3020-167-0x0000000002C90000-0x0000000002DCF000-memory.dmp
memory/3020-159-0x0000000002EA0000-0x0000000002F4E000-memory.dmp
memory/3020-158-0x0000000002EA0000-0x0000000002F4E000-memory.dmp
memory/3020-154-0x0000000002C90000-0x0000000002DCF000-memory.dmp
memory/3036-204-0x0000000000EA0000-0x0000000000F0B000-memory.dmp
memory/3036-199-0x0000000000EA0000-0x0000000000F0B000-memory.dmp
memory/3036-198-0x0000000000F10000-0x0000000000F85000-memory.dmp
memory/3128-202-0x0000000000400000-0x0000000000596000-memory.dmp
memory/3128-205-0x00000000008AD000-0x00000000008BD000-memory.dmp
memory/3128-201-0x00000000006E0000-0x00000000006E9000-memory.dmp
memory/3128-211-0x0000000000400000-0x0000000000596000-memory.dmp
memory/3208-206-0x00000000005DE000-0x00000000005EF000-memory.dmp
memory/3208-207-0x0000000000400000-0x0000000000439000-memory.dmp
memory/3880-226-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3880-220-0x0000000000400000-0x0000000000463000-memory.dmp
memory/3880-214-0x0000000000400000-0x0000000000463000-memory.dmp
memory/3880-244-0x0000000000400000-0x0000000000463000-memory.dmp
memory/3880-219-0x0000000000400000-0x0000000000463000-memory.dmp
memory/4108-190-0x0000000140000000-0x000000014060F000-memory.dmp
memory/4448-144-0x0000000002390000-0x00000000024AB000-memory.dmp
memory/4448-143-0x000000000213F000-0x00000000021D0000-memory.dmp
memory/4500-254-0x00000000023F4000-0x0000000002512000-memory.dmp
memory/4500-255-0x0000000002520000-0x00000000027E2000-memory.dmp
memory/4500-256-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4500-257-0x0000000000400000-0x00000000006CE000-memory.dmp
memory/4564-218-0x000000000062D000-0x0000000000659000-memory.dmp
memory/4564-213-0x000000000062D000-0x0000000000659000-memory.dmp
memory/4564-216-0x0000000000720000-0x000000000076F000-memory.dmp
memory/4692-182-0x00000000022D9000-0x000000000236A000-memory.dmp