Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
02-02-2024 16:06
Behavioral task
behavioral1
Sample
89f2e626923b9fca12e544d8d955b617.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
89f2e626923b9fca12e544d8d955b617.exe
Resource
win10v2004-20231222-en
General
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Target
89f2e626923b9fca12e544d8d955b617.exe
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Size
69KB
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MD5
89f2e626923b9fca12e544d8d955b617
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SHA1
ef1dc352ba18d0e428c0aca96cd10ef0f1767a55
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SHA256
5cb0ceae6defeec61d21753f19b534173952b0e2fd39c28f4fda86d5a782a71b
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SHA512
4ff271b82774cd602f3cd0957c0aa345cc2a36cf66acd2427dda90d2b6841064ee48bb3d7538f4ac02472d6690017bab1bf34b4d867bd2e451dd8160e38df219
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SSDEEP
1536:tGwVFdsU2yUwVXx/z3fK/Lt4lyVnegqJ0ZjmGhFueN3J3z:Uwt2sV3fKTtE3sjukJj
Malware Config
Extracted
xtremerat
hck-hck.no-ip.org
Signatures
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Detect XtremeRAT payload 7 IoCs
Processes:
resource yara_rule behavioral2/memory/1160-3-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1160-4-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1160-6-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1160-7-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1636-8-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1160-9-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1636-10-0x0000000010000000-0x000000001004A000-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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Processes:
resource yara_rule behavioral2/memory/1096-0-0x0000000000400000-0x000000000044F000-memory.dmp upx behavioral2/memory/1096-5-0x0000000000400000-0x000000000044F000-memory.dmp upx -
Suspicious use of SetThreadContext 1 IoCs
Processes:
89f2e626923b9fca12e544d8d955b617.exedescription pid Process procid_target PID 1096 set thread context of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 3860 1636 WerFault.exe 87 3380 1636 WerFault.exe 87 -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
89f2e626923b9fca12e544d8d955b617.exepid Process 1096 89f2e626923b9fca12e544d8d955b617.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
89f2e626923b9fca12e544d8d955b617.exe89f2e626923b9fca12e544d8d955b617.exedescription pid Process procid_target PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1096 wrote to memory of 1160 1096 89f2e626923b9fca12e544d8d955b617.exe 86 PID 1160 wrote to memory of 1636 1160 89f2e626923b9fca12e544d8d955b617.exe 87 PID 1160 wrote to memory of 1636 1160 89f2e626923b9fca12e544d8d955b617.exe 87 PID 1160 wrote to memory of 1636 1160 89f2e626923b9fca12e544d8d955b617.exe 87 PID 1160 wrote to memory of 1636 1160 89f2e626923b9fca12e544d8d955b617.exe 87 PID 1160 wrote to memory of 2716 1160 89f2e626923b9fca12e544d8d955b617.exe 90 PID 1160 wrote to memory of 2716 1160 89f2e626923b9fca12e544d8d955b617.exe 90 PID 1160 wrote to memory of 2716 1160 89f2e626923b9fca12e544d8d955b617.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe"C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵PID:1636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 4804⤵
- Program crash
PID:3860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 5044⤵
- Program crash
PID:3380
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"3⤵PID:2716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1636 -ip 16361⤵PID:1980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1636 -ip 16361⤵PID:632