Analysis
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max time kernel
37s -
max time network
141s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-07-2021 13:22
Static task
static1
Behavioral task
behavioral1
Sample
d33732b691720be2cef97957e40bb69e.exe
Resource
win7v20210410
General
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Target
d33732b691720be2cef97957e40bb69e.exe
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Size
733KB
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MD5
d33732b691720be2cef97957e40bb69e
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SHA1
32669f8f8867e02b2be54d3fd73850e77b39ff5f
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SHA256
c052755bf3cab34b18f346c176d9c20c296dd4010b818a424d763625eeb6ff92
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SHA512
ab39035ec471638c1e980f4e356e63b7ce8ec6f97f6379d150557cc21414183bf2ff8edd35f196d56f189ebd3fdf76411652c365388bcf54ec9b4a15a4a0d447
Malware Config
Extracted
xpertrat
3.0.10
oklahama
oklahama.ydns.eu:1307
X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2
Signatures
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XpertRAT Core Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/804-72-0x0000000000400000-0x0000000000443000-memory.dmp xpertrat behavioral1/memory/804-73-0x0000000000401364-mapping.dmp xpertrat -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/864-82-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/864-83-0x0000000000411654-mapping.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/704-88-0x0000000000442F04-mapping.dmp WebBrowserPassView behavioral1/memory/704-87-0x0000000000400000-0x0000000000459000-memory.dmp WebBrowserPassView -
Nirsoft 6 IoCs
Processes:
resource yara_rule behavioral1/memory/864-82-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/864-83-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/704-88-0x0000000000442F04-mapping.dmp Nirsoft behavioral1/memory/704-87-0x0000000000400000-0x0000000000459000-memory.dmp Nirsoft behavioral1/memory/1540-94-0x0000000000400000-0x0000000000415000-memory.dmp Nirsoft behavioral1/memory/1540-95-0x000000000040C2A8-mapping.dmp Nirsoft -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2 = "C:\\Users\\Admin\\AppData\\Roaming\\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2.exe" iexplore.exe -
Processes:
resource yara_rule behavioral1/memory/328-79-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral1/memory/1948-91-0x0000000000400000-0x0000000000416000-memory.dmp upx -
Processes:
d33732b691720be2cef97957e40bb69e.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" d33732b691720be2cef97957e40bb69e.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2 = "C:\\Users\\Admin\\AppData\\Roaming\\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2.exe" iexplore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2 = "C:\\Users\\Admin\\AppData\\Roaming\\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2.exe" iexplore.exe -
Processes:
d33732b691720be2cef97957e40bb69e.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" d33732b691720be2cef97957e40bb69e.exe -
Suspicious use of SetThreadContext 8 IoCs
Processes:
d33732b691720be2cef97957e40bb69e.exed33732b691720be2cef97957e40bb69e.exeiexplore.exedescription pid process target process PID 1084 set thread context of 536 1084 d33732b691720be2cef97957e40bb69e.exe d33732b691720be2cef97957e40bb69e.exe PID 536 set thread context of 804 536 d33732b691720be2cef97957e40bb69e.exe iexplore.exe PID 804 set thread context of 328 804 iexplore.exe iexplore.exe PID 804 set thread context of 864 804 iexplore.exe iexplore.exe PID 804 set thread context of 860 804 iexplore.exe iexplore.exe PID 804 set thread context of 704 804 iexplore.exe iexplore.exe PID 804 set thread context of 1948 804 iexplore.exe iexplore.exe PID 804 set thread context of 1540 804 iexplore.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
d33732b691720be2cef97957e40bb69e.exed33732b691720be2cef97957e40bb69e.exepid process 1084 d33732b691720be2cef97957e40bb69e.exe 1084 d33732b691720be2cef97957e40bb69e.exe 536 d33732b691720be2cef97957e40bb69e.exe 536 d33732b691720be2cef97957e40bb69e.exe 536 d33732b691720be2cef97957e40bb69e.exe 536 d33732b691720be2cef97957e40bb69e.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
d33732b691720be2cef97957e40bb69e.exeiexplore.exeiexplore.exedescription pid process Token: SeDebugPrivilege 1084 d33732b691720be2cef97957e40bb69e.exe Token: SeDebugPrivilege 804 iexplore.exe Token: SeDebugPrivilege 328 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
d33732b691720be2cef97957e40bb69e.exeiexplore.exepid process 536 d33732b691720be2cef97957e40bb69e.exe 804 iexplore.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
d33732b691720be2cef97957e40bb69e.exed33732b691720be2cef97957e40bb69e.exeiexplore.exedescription pid process target process PID 1084 wrote to memory of 536 1084 d33732b691720be2cef97957e40bb69e.exe d33732b691720be2cef97957e40bb69e.exe PID 1084 wrote to memory of 536 1084 d33732b691720be2cef97957e40bb69e.exe d33732b691720be2cef97957e40bb69e.exe PID 1084 wrote to memory of 536 1084 d33732b691720be2cef97957e40bb69e.exe d33732b691720be2cef97957e40bb69e.exe PID 1084 wrote to memory of 536 1084 d33732b691720be2cef97957e40bb69e.exe d33732b691720be2cef97957e40bb69e.exe PID 1084 wrote to memory of 536 1084 d33732b691720be2cef97957e40bb69e.exe d33732b691720be2cef97957e40bb69e.exe PID 1084 wrote to memory of 536 1084 d33732b691720be2cef97957e40bb69e.exe d33732b691720be2cef97957e40bb69e.exe PID 1084 wrote to memory of 536 1084 d33732b691720be2cef97957e40bb69e.exe d33732b691720be2cef97957e40bb69e.exe PID 1084 wrote to memory of 536 1084 d33732b691720be2cef97957e40bb69e.exe d33732b691720be2cef97957e40bb69e.exe PID 536 wrote to memory of 804 536 d33732b691720be2cef97957e40bb69e.exe iexplore.exe PID 536 wrote to memory of 804 536 d33732b691720be2cef97957e40bb69e.exe iexplore.exe PID 536 wrote to memory of 804 536 d33732b691720be2cef97957e40bb69e.exe iexplore.exe PID 536 wrote to memory of 804 536 d33732b691720be2cef97957e40bb69e.exe iexplore.exe PID 536 wrote to memory of 804 536 d33732b691720be2cef97957e40bb69e.exe iexplore.exe PID 536 wrote to memory of 804 536 d33732b691720be2cef97957e40bb69e.exe iexplore.exe PID 536 wrote to memory of 804 536 d33732b691720be2cef97957e40bb69e.exe iexplore.exe PID 536 wrote to memory of 804 536 d33732b691720be2cef97957e40bb69e.exe iexplore.exe PID 536 wrote to memory of 804 536 d33732b691720be2cef97957e40bb69e.exe iexplore.exe PID 804 wrote to memory of 328 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 328 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 328 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 328 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 328 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 328 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 328 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 328 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 328 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 864 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 864 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 864 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 864 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 864 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 864 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 864 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 864 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 864 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 864 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 860 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 860 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 860 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 860 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 860 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 860 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 860 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 860 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 860 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 860 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 704 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 704 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 704 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 704 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 704 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 704 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 704 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 704 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 704 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 704 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 1948 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 1948 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 1948 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 1948 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 1948 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 1948 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 1948 804 iexplore.exe iexplore.exe PID 804 wrote to memory of 1948 804 iexplore.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
d33732b691720be2cef97957e40bb69e.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" d33732b691720be2cef97957e40bb69e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d33732b691720be2cef97957e40bb69e.exe"C:\Users\Admin\AppData\Local\Temp\d33732b691720be2cef97957e40bb69e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\d33732b691720be2cef97957e40bb69e.exeC:\Users\Admin\AppData\Local\Temp\d33732b691720be2cef97957e40bb69e.exe2⤵
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\d33732b691720be2cef97957e40bb69e.exe3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\akhalfckg0.txt"4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\akhalfckg1.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\akhalfckg2.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\akhalfckg2.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\akhalfckg3.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\akhalfckg4.txt"4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\akhalfckg2.txtMD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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C:\Users\Admin\AppData\Roaming\X550V6H4-V1N8-X8C6-D6T5-A7W0Q2D4J7R2\akhalfckg4.txtMD5
f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/328-80-0x0000000000423BC0-mapping.dmp
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memory/328-79-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/536-69-0x00000000004010B8-mapping.dmp
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memory/536-68-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/704-87-0x0000000000400000-0x0000000000459000-memory.dmpFilesize
356KB
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memory/704-88-0x0000000000442F04-mapping.dmp
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memory/804-72-0x0000000000400000-0x0000000000443000-memory.dmpFilesize
268KB
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memory/804-73-0x0000000000401364-mapping.dmp
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memory/804-74-0x0000000000810000-0x0000000000963000-memory.dmpFilesize
1.3MB
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memory/804-78-0x00000000752F1000-0x00000000752F3000-memory.dmpFilesize
8KB
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memory/860-86-0x0000000000442F04-mapping.dmp
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memory/864-82-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/864-83-0x0000000000411654-mapping.dmp
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memory/1084-75-0x0000000005095000-0x00000000050A6000-memory.dmpFilesize
68KB
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memory/1084-61-0x0000000005090000-0x0000000005091000-memory.dmpFilesize
4KB
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memory/1084-67-0x0000000005000000-0x0000000005059000-memory.dmpFilesize
356KB
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memory/1084-62-0x0000000000BD0000-0x0000000000C28000-memory.dmpFilesize
352KB
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memory/1084-59-0x0000000000F90000-0x0000000000F91000-memory.dmpFilesize
4KB
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memory/1540-94-0x0000000000400000-0x0000000000415000-memory.dmpFilesize
84KB
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memory/1540-95-0x000000000040C2A8-mapping.dmp
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memory/1948-91-0x0000000000400000-0x0000000000416000-memory.dmpFilesize
88KB
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memory/1948-92-0x0000000000413750-mapping.dmp