Analysis
-
max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23/11/2022, 22:05
Static task
static1
Behavioral task
behavioral1
Sample
c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
Resource
win10v2004-20220812-en
General
-
Target
c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
-
Size
433KB
-
MD5
35797677ce25d743546bf9bac87c255c
-
SHA1
608b5fe7326cd57be1c7e71e33939aa70b1eca2c
-
SHA256
c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781
-
SHA512
2dcc6a1accab412006082f8e713278dd4f8eb05fef92d0fb97a883cfb6bf5c06bb3fe15150f520f9b6b307dd8d9957ff857b47da605dd7495ff003ecdc865698
-
SSDEEP
12288:x57qSYh+Tu1lxHxCgpcAnirLS9Mm5fmXHdI3:n7jYhcExN0i9MsfYA
Malware Config
Extracted
xtremerat
gaetano1997.no-ip.org
Signatures
-
Detect XtremeRAT payload 5 IoCs
resource yara_rule behavioral2/memory/1516-141-0x0000000010000000-0x0000000010050000-memory.dmp family_xtremerat behavioral2/memory/1516-143-0x0000000010000000-0x0000000010050000-memory.dmp family_xtremerat behavioral2/memory/1940-145-0x0000000000000000-mapping.dmp family_xtremerat behavioral2/memory/1516-146-0x0000000010000000-0x0000000010050000-memory.dmp family_xtremerat behavioral2/memory/1940-147-0x0000000010000000-0x0000000010050000-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/1516-138-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral2/memory/1516-140-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral2/memory/1516-141-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral2/memory/1516-143-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral2/memory/1516-146-0x0000000010000000-0x0000000010050000-memory.dmp upx behavioral2/memory/1940-147-0x0000000010000000-0x0000000010050000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\531images.jpg.exe c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe File created C:\Windows\SysWOW64\531images.jpg c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5048 set thread context of 1516 5048 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 80 -
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 1536 1940 WerFault.exe 81 3088 1940 WerFault.exe 81 -
NTFS ADS 3 IoCs
description ioc Process File created C:\ProgramData:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe File created C:\ProgramData\DYA_PPHDTFHSLSSKOHJCD\1.0.0:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe File created C:\Users\Public\Desktop:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5048 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 5048 wrote to memory of 1516 5048 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 80 PID 5048 wrote to memory of 1516 5048 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 80 PID 5048 wrote to memory of 1516 5048 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 80 PID 5048 wrote to memory of 1516 5048 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 80 PID 5048 wrote to memory of 1516 5048 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 80 PID 5048 wrote to memory of 1516 5048 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 80 PID 5048 wrote to memory of 1516 5048 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 80 PID 5048 wrote to memory of 1516 5048 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 80 PID 1516 wrote to memory of 1940 1516 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 81 PID 1516 wrote to memory of 1940 1516 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 81 PID 1516 wrote to memory of 1940 1516 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 81 PID 1516 wrote to memory of 1940 1516 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 81 PID 1516 wrote to memory of 1512 1516 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 82 PID 1516 wrote to memory of 1512 1516 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 82 PID 1516 wrote to memory of 1512 1516 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe"C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe"1⤵
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵PID:1940
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 4804⤵
- Program crash
PID:1536
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 4884⤵
- Program crash
PID:3088
-
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"3⤵PID:1512
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1940 -ip 19401⤵PID:968
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1940 -ip 19401⤵PID:4464