Analysis
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max time kernel
142s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
16-05-2024 03:47
Static task
static1
Behavioral task
behavioral1
Sample
d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe
Resource
win10v2004-20240426-en
General
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Target
d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe
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Size
143KB
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MD5
622e99d638814722127d539c372a9934
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SHA1
64ee6cb92c063e2da89ea370b0838f8a0e97cd4f
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SHA256
d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f
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SHA512
1cee8bc60aa2829f4951aec628285e8387122bd143c824883a4954b7a6c75b28cdbd8bb0d5449e79d84896377a3914b2b2bb5b015095a110ca14417a6971b4dc
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SSDEEP
1536:fli0XaKn5gYkqDqgEeEHgUyQLrdcUcsA08IzYJzKsoVXOeqD7hi/x0rTE86mwYUi:di0XaKncqY31L2WXb0E86mwYUi
Malware Config
Signatures
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Detects executables containing base64 encoded User Agent 7 IoCs
resource yara_rule behavioral1/memory/1272-17-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1272-19-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1272-18-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1272-21-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1272-25-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1272-26-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/1272-27-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent -
Blocklisted process makes network request 10 IoCs
flow pid Process 3 1272 rundll32.exe 7 1272 rundll32.exe 8 1272 rundll32.exe 9 1272 rundll32.exe 10 1272 rundll32.exe 13 1272 rundll32.exe 14 1272 rundll32.exe 15 1272 rundll32.exe 17 1272 rundll32.exe 18 1272 rundll32.exe -
resource yara_rule behavioral1/files/0x002b000000012747-9.dat aspack_v212_v242 -
Deletes itself 1 IoCs
pid Process 2224 scawb.exe -
Executes dropped EXE 1 IoCs
pid Process 2224 scawb.exe -
Loads dropped DLL 4 IoCs
pid Process 1272 rundll32.exe 1272 rundll32.exe 1272 rundll32.exe 1272 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\xvewc\\rlsor.dll\",AbortProc" rundll32.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\z: rundll32.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe -
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 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2308 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1272 rundll32.exe 1272 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1272 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2852 d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe 2224 scawb.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 2852 wrote to memory of 2916 2852 d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe 28 PID 2852 wrote to memory of 2916 2852 d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe 28 PID 2852 wrote to memory of 2916 2852 d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe 28 PID 2852 wrote to memory of 2916 2852 d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe 28 PID 2916 wrote to memory of 2308 2916 cmd.exe 30 PID 2916 wrote to memory of 2308 2916 cmd.exe 30 PID 2916 wrote to memory of 2308 2916 cmd.exe 30 PID 2916 wrote to memory of 2308 2916 cmd.exe 30 PID 2916 wrote to memory of 2224 2916 cmd.exe 31 PID 2916 wrote to memory of 2224 2916 cmd.exe 31 PID 2916 wrote to memory of 2224 2916 cmd.exe 31 PID 2916 wrote to memory of 2224 2916 cmd.exe 31 PID 2224 wrote to memory of 1272 2224 scawb.exe 32 PID 2224 wrote to memory of 1272 2224 scawb.exe 32 PID 2224 wrote to memory of 1272 2224 scawb.exe 32 PID 2224 wrote to memory of 1272 2224 scawb.exe 32 PID 2224 wrote to memory of 1272 2224 scawb.exe 32 PID 2224 wrote to memory of 1272 2224 scawb.exe 32 PID 2224 wrote to memory of 1272 2224 scawb.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe"C:\Users\Admin\AppData\Local\Temp\d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\scawb.exe "C:\Users\Admin\AppData\Local\Temp\d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:2308
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\??\c:\scawb.exec:\scawb.exe "C:\Users\Admin\AppData\Local\Temp\d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2224 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\xvewc\rlsor.dll",AbortProc c:\scawb.exe4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1272
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
143KB
MD5fe248769e72e3e7957b8997870f8f246
SHA145e6c0f3b1048ca5337315d1b4e7a6ccb8b9a634
SHA256d16d68d06d83a6da012a044dacfeeab04faca0aede5d0db03249ebd4f6b88b2b
SHA512d127916f705f0c10bd09ddbff13cfc2374eebee0d51cb1f49d7b9e83ce04cb49f836b3e5941d4c351b5c638a2c0c17d390c40069887e62b205117cd332a7db1f
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Filesize
87KB
MD5a2c2137ff7abf6be6bcae4252c394a69
SHA107b402104df563f9486c2eef975fee70f65a5145
SHA25637ab4b7ee8f6b61c3854af4ed4676fd0d69f0260fb1296ad75e57aa08e1eeb03
SHA5125d05ed7c55bee8f41502acaea3d41fcf4421ad641d43f0b97b4cdc8fe584983da7712c561a53b708e88391df7929914746115700ae733155418693bcec6989a9