Analysis
-
max time kernel
159s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23/11/2022, 19:57
Static task
static1
Behavioral task
behavioral1
Sample
f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
Resource
win10v2004-20221111-en
General
-
Target
f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe
-
Size
129KB
-
MD5
592a5289ac3be4c662cb17e5b41295f8
-
SHA1
b80377f433f860363666493c85892503765a07b0
-
SHA256
f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde
-
SHA512
689c32423b7f3e23a45012e5dcb5a88da4204362120a350d85802931b2501584b323af7b9a1ac7e51b5000194cd054146a96e08c0932f0d8a8da107eb2c2ba1f
-
SSDEEP
3072:ixB0wn0Ber4w5IKIi2w02StvPR5FlWpCDvaV/318vObb:in4wvzfEZoQ7E/tb
Malware Config
Extracted
xtremerat
pestaxxlol.no-ip.org
Signatures
-
Detect XtremeRAT payload 4 IoCs
resource yara_rule behavioral2/memory/1696-138-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3868-139-0x0000000000000000-mapping.dmp family_xtremerat behavioral2/memory/1696-140-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3868-141-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
-
resource yara_rule behavioral2/memory/1696-135-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1696-137-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1696-138-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1696-140-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/3868-141-0x0000000010000000-0x000000001004D000-memory.dmp upx -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2576 set thread context of 1696 2576 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Program crash 2 IoCs
pid pid_target Process procid_target 2720 3868 WerFault.exe 84 2196 3868 WerFault.exe 84 -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2576 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2576 wrote to memory of 1696 2576 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 83 PID 2576 wrote to memory of 1696 2576 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 83 PID 2576 wrote to memory of 1696 2576 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 83 PID 2576 wrote to memory of 1696 2576 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 83 PID 2576 wrote to memory of 1696 2576 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 83 PID 2576 wrote to memory of 1696 2576 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 83 PID 2576 wrote to memory of 1696 2576 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 83 PID 2576 wrote to memory of 1696 2576 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 83 PID 1696 wrote to memory of 3868 1696 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 84 PID 1696 wrote to memory of 3868 1696 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 84 PID 1696 wrote to memory of 3868 1696 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 84 PID 1696 wrote to memory of 3868 1696 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 84 PID 1696 wrote to memory of 4316 1696 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 85 PID 1696 wrote to memory of 4316 1696 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 85 PID 1696 wrote to memory of 4316 1696 f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"C:\Users\Admin\AppData\Local\Temp\f65cc1347b0a555922d4a9dc635b7c6c24167777f3de4e4785381bed8c265dde.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵PID:3868
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 4844⤵
- Program crash
PID:2720
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 4924⤵
- Program crash
PID:2196
-
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"3⤵PID:4316
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3868 -ip 38681⤵PID:4012
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 3868 -ip 38681⤵PID:2352