Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 behavioral2/memory/2264-13-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2264-12-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2264-11-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2264-14-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2264-15-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2264-17-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral2/memory/2264-19-0x0000000010000000-0x0000000010036000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent -
Blocklisted process makes network request 9 IoCs
flow pid Process 24 2264 rundll32.exe 32 2264 rundll32.exe 33 2264 rundll32.exe 34 2264 rundll32.exe 48 2264 rundll32.exe 49 2264 rundll32.exe 58 2264 rundll32.exe 69 2264 rundll32.exe 74 2264 rundll32.exe -
resource yara_rule behavioral2/files/0x000900000002337b-9.dat aspack_v212_v242 -
Deletes itself 1 IoCs
pid Process 2812 uuokmjvkq.exe -
Executes dropped EXE 1 IoCs
pid Process 2812 uuokmjvkq.exe -
Loads dropped DLL 1 IoCs
pid Process 2264 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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\sjuvmnj\\rqsve.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) \??\a: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\y: 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 3324 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2264 rundll32.exe 2264 rundll32.exe 2264 rundll32.exe 2264 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2264 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4008 d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe 2812 uuokmjvkq.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4008 wrote to memory of 3100 4008 d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe 84 PID 4008 wrote to memory of 3100 4008 d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe 84 PID 4008 wrote to memory of 3100 4008 d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe 84 PID 3100 wrote to memory of 3324 3100 cmd.exe 87 PID 3100 wrote to memory of 3324 3100 cmd.exe 87 PID 3100 wrote to memory of 3324 3100 cmd.exe 87 PID 3100 wrote to memory of 2812 3100 cmd.exe 90 PID 3100 wrote to memory of 2812 3100 cmd.exe 90 PID 3100 wrote to memory of 2812 3100 cmd.exe 90 PID 2812 wrote to memory of 2264 2812 uuokmjvkq.exe 91 PID 2812 wrote to memory of 2264 2812 uuokmjvkq.exe 91 PID 2812 wrote to memory of 2264 2812 uuokmjvkq.exe 91
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:4008 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\uuokmjvkq.exe "C:\Users\Admin\AppData\Local\Temp\d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3100 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:3324
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\??\c:\uuokmjvkq.exec:\uuokmjvkq.exe "C:\Users\Admin\AppData\Local\Temp\d2eb10ebe6ac13f003bbad5cea8fa1dafe2e25c786d9e112fe49cbc8fa92304f.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2812 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\sjuvmnj\rqsve.dll",AbortProc c:\uuokmjvkq.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:2264
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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
144KB
MD593c76cbab9e5a6cf589f3fb29c8a3859
SHA148e1c0e365fcea3e40c36dc643d2904c1c04e901
SHA256a4742af6d48934b763ba1d7cf84c99fbf8db82656cf03aa6a5a09aa125443024
SHA5129ced021a5c19419af0388ab5c39aa4135bcdb717d8452e792fcbf73c4981c193a942ac82031562d64515fdb06debf499840293bfc71c9cd7f01e3a734c28fdbd
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Filesize
87KB
MD5a2c2137ff7abf6be6bcae4252c394a69
SHA107b402104df563f9486c2eef975fee70f65a5145
SHA25637ab4b7ee8f6b61c3854af4ed4676fd0d69f0260fb1296ad75e57aa08e1eeb03
SHA5125d05ed7c55bee8f41502acaea3d41fcf4421ad641d43f0b97b4cdc8fe584983da7712c561a53b708e88391df7929914746115700ae733155418693bcec6989a9