Analysis
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max time kernel
147s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-02-2024 23:05
Static task
static1
Behavioral task
behavioral1
Sample
a79476d5858ad853bdc29614261fb19f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a79476d5858ad853bdc29614261fb19f.exe
Resource
win10v2004-20240226-en
General
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Target
a79476d5858ad853bdc29614261fb19f.exe
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Size
170KB
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MD5
a79476d5858ad853bdc29614261fb19f
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SHA1
f667e64ec8af2bae6dd5309bc31cc991fc9c1f9a
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SHA256
14b0127bb7f2f4054b43af380118b2e6cf5c50ff256f755a843fa62eb0eff0aa
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SHA512
9cdbe52289a75b79ac785e7e0c1666d9a760b29cf28a7103ebe00379bb54c4743afd6aaf6118da1236006b61a0b4d97197e67b60ed9b56fb94324ca28932c148
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SSDEEP
3072:zKEKmrDUskUVIKkAX/0L0rZmm1sJmvxHfi/R1+aJe1mgawzxsBub861jIHxownLj:zKE5IIL7JnYRUTV5nLrQLulIGsZ
Malware Config
Signatures
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Detect XtremeRAT payload 8 IoCs
Processes:
resource yara_rule behavioral1/memory/2340-6-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2340-5-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2340-8-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2340-9-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2536-15-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2604-19-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2340-20-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat behavioral1/memory/2604-22-0x0000000000C80000-0x0000000000C93000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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Modifies Installed Components in the registry 2 TTPs 4 IoCs
Processes:
a79476d5858ad853bdc29614261fb19f.exesvchost.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P} a79476d5858ad853bdc29614261fb19f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P}\StubPath = "C:\\Windows\\system32\\microsoft\\xtreme.exe restart" a79476d5858ad853bdc29614261fb19f.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5KO86025-TR58-EKNU-45Y8-Y52X408MWO2P}\StubPath = "C:\\Windows\\system32\\microsoft\\xtreme.exe restart" svchost.exe -
Processes:
resource yara_rule behavioral1/memory/2276-0-0x0000000000220000-0x000000000022D000-memory.dmp upx behavioral1/memory/2276-1-0x0000000000220000-0x000000000022D000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
Processes:
a79476d5858ad853bdc29614261fb19f.exedescription ioc process File opened for modification C:\Windows\SysWOW64\microsoft\xtreme.exe a79476d5858ad853bdc29614261fb19f.exe File created C:\Windows\SysWOW64\microsoft\xtreme.exe a79476d5858ad853bdc29614261fb19f.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a79476d5858ad853bdc29614261fb19f.exedescription pid process target process PID 2276 set thread context of 2340 2276 a79476d5858ad853bdc29614261fb19f.exe a79476d5858ad853bdc29614261fb19f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
notepad.exepid process 2604 notepad.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
a79476d5858ad853bdc29614261fb19f.exea79476d5858ad853bdc29614261fb19f.exedescription pid process target process PID 2276 wrote to memory of 2340 2276 a79476d5858ad853bdc29614261fb19f.exe a79476d5858ad853bdc29614261fb19f.exe PID 2276 wrote to memory of 2340 2276 a79476d5858ad853bdc29614261fb19f.exe a79476d5858ad853bdc29614261fb19f.exe PID 2276 wrote to memory of 2340 2276 a79476d5858ad853bdc29614261fb19f.exe a79476d5858ad853bdc29614261fb19f.exe PID 2276 wrote to memory of 2340 2276 a79476d5858ad853bdc29614261fb19f.exe a79476d5858ad853bdc29614261fb19f.exe PID 2276 wrote to memory of 2340 2276 a79476d5858ad853bdc29614261fb19f.exe a79476d5858ad853bdc29614261fb19f.exe PID 2276 wrote to memory of 2340 2276 a79476d5858ad853bdc29614261fb19f.exe a79476d5858ad853bdc29614261fb19f.exe PID 2340 wrote to memory of 2536 2340 a79476d5858ad853bdc29614261fb19f.exe svchost.exe PID 2340 wrote to memory of 2536 2340 a79476d5858ad853bdc29614261fb19f.exe svchost.exe PID 2340 wrote to memory of 2536 2340 a79476d5858ad853bdc29614261fb19f.exe svchost.exe PID 2340 wrote to memory of 2536 2340 a79476d5858ad853bdc29614261fb19f.exe svchost.exe PID 2340 wrote to memory of 2536 2340 a79476d5858ad853bdc29614261fb19f.exe svchost.exe PID 2340 wrote to memory of 2604 2340 a79476d5858ad853bdc29614261fb19f.exe notepad.exe PID 2340 wrote to memory of 2604 2340 a79476d5858ad853bdc29614261fb19f.exe notepad.exe PID 2340 wrote to memory of 2604 2340 a79476d5858ad853bdc29614261fb19f.exe notepad.exe PID 2340 wrote to memory of 2604 2340 a79476d5858ad853bdc29614261fb19f.exe notepad.exe PID 2340 wrote to memory of 2604 2340 a79476d5858ad853bdc29614261fb19f.exe notepad.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe"C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe"C:\Users\Admin\AppData\Local\Temp\a79476d5858ad853bdc29614261fb19f.exe"2⤵
- Modifies Installed Components in the registry
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵
- Modifies Installed Components in the registry
PID:2536 -
C:\Windows\SysWOW64\notepad.exenotepad.exe3⤵
- Suspicious use of SetWindowsHookEx
PID:2604
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
170KB
MD5a79476d5858ad853bdc29614261fb19f
SHA1f667e64ec8af2bae6dd5309bc31cc991fc9c1f9a
SHA25614b0127bb7f2f4054b43af380118b2e6cf5c50ff256f755a843fa62eb0eff0aa
SHA5129cdbe52289a75b79ac785e7e0c1666d9a760b29cf28a7103ebe00379bb54c4743afd6aaf6118da1236006b61a0b4d97197e67b60ed9b56fb94324ca28932c148