Analysis
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max time kernel
12s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23/11/2022, 17:31
Behavioral task
behavioral1
Sample
a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
Resource
win10v2004-20221111-en
General
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Target
a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
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Size
122KB
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MD5
54571cd1e4ada7d250f6f08c949df231
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SHA1
c0935974b554c9e86d13913c16f16848e0bea4c7
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SHA256
a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c
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SHA512
ec0425202583726ebb257ace7e37818cee7d66812566a6c495a4e3844e154ca739ad8cff569a9cc2ee7af62b35696d062571b7cf3145f06ff4288914a89c49fd
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SSDEEP
3072:dMiDIieBK1rtPsU2Dj6ZNKDoAAHUtJ12lD90d6fZh0szVkq:d4JBuEDkwDoALADi6fZhCq
Malware Config
Signatures
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Detect XtremeRAT payload 11 IoCs
resource yara_rule behavioral1/memory/272-65-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral1/memory/272-66-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral1/memory/272-68-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral1/memory/272-69-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral1/memory/272-67-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral1/memory/272-71-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral1/memory/272-72-0x000000001000D0F4-mapping.dmp family_xtremerat behavioral1/memory/272-74-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral1/memory/272-76-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral1/memory/272-77-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral1/memory/272-79-0x0000000010000000-0x000000001004A000-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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resource yara_rule behavioral1/memory/1420-59-0x0000000000400000-0x0000000000448000-memory.dmp upx behavioral1/memory/272-78-0x0000000000400000-0x0000000000448000-memory.dmp upx -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1420 set thread context of 276 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 28 PID 276 set thread context of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1420 wrote to memory of 276 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 28 PID 1420 wrote to memory of 276 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 28 PID 1420 wrote to memory of 276 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 28 PID 1420 wrote to memory of 276 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 28 PID 1420 wrote to memory of 276 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 28 PID 1420 wrote to memory of 276 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 28 PID 1420 wrote to memory of 276 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 28 PID 1420 wrote to memory of 276 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 28 PID 1420 wrote to memory of 276 1420 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 28 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 276 wrote to memory of 272 276 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 29 PID 272 wrote to memory of 1664 272 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 30 PID 272 wrote to memory of 1664 272 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 30 PID 272 wrote to memory of 1664 272 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 30 PID 272 wrote to memory of 1664 272 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 30 PID 272 wrote to memory of 1664 272 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:276 -
C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:272 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵PID:1664
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