Overview
overview
8Static
static
8rxbaoV3.29...ew.dll
windows7-x64
1rxbaoV3.29...ew.dll
windows10-2004-x64
1rxbaoV3.29...me.dll
windows7-x64
1rxbaoV3.29...me.dll
windows10-2004-x64
1rxbaoV3.29_Y/NPC.dll
windows7-x64
1rxbaoV3.29_Y/NPC.dll
windows10-2004-x64
1rxbaoV3.29...er.exe
windows7-x64
1rxbaoV3.29...er.exe
windows10-2004-x64
1rxbaoV3.29_Y/bb.dll
windows7-x64
3rxbaoV3.29_Y/bb.dll
windows10-2004-x64
3rxbaoV3.29_Y/iext.dll
windows7-x64
1rxbaoV3.29_Y/iext.dll
windows10-2004-x64
1rxbaoV3.29...ms.dll
windows7-x64
1rxbaoV3.29...ms.dll
windows10-2004-x64
1rxbaoV3.29..._Y.exe
windows7-x64
8rxbaoV3.29..._Y.exe
windows10-2004-x64
8rxbaoV3.29_Y/rxbb.dll
windows7-x64
1rxbaoV3.29_Y/rxbb.dll
windows10-2004-x64
rxbaoV3.29...bb.dll
windows7-x64
1rxbaoV3.29...bb.dll
windows10-2004-x64
1rxbaoV3.29_Y/temp.exe
windows7-x64
1rxbaoV3.29_Y/temp.exe
windows10-2004-x64
1rxbaoV3.29...ib.dll
windows7-x64
1rxbaoV3.29...ib.dll
windows10-2004-x64
1rxbaoV3.29...pi.dll
windows7-x64
3rxbaoV3.29...pi.dll
windows10-2004-x64
3rxbaoV3.29...��.exe
windows7-x64
1rxbaoV3.29...��.exe
windows10-2004-x64
1rxbaoV3.29...��.exe
windows7-x64
1rxbaoV3.29...��.exe
windows10-2004-x64
1第七下载.url
windows7-x64
1第七下载.url
windows10-2004-x64
1Analysis
-
max time kernel
166s -
max time network
195s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 22:24
Behavioral task
behavioral1
Sample
rxbaoV3.29_Y/HtmlView.dll
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
rxbaoV3.29_Y/HtmlView.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
rxbaoV3.29_Y/ItemName.dll
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
rxbaoV3.29_Y/ItemName.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
rxbaoV3.29_Y/NPC.dll
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
rxbaoV3.29_Y/NPC.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
rxbaoV3.29_Y/Updater.exe
Resource
win7-20221111-en
Behavioral task
behavioral8
Sample
rxbaoV3.29_Y/Updater.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral9
Sample
rxbaoV3.29_Y/bb.dll
Resource
win7-20221111-en
Behavioral task
behavioral10
Sample
rxbaoV3.29_Y/bb.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral11
Sample
rxbaoV3.29_Y/iext.dll
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
rxbaoV3.29_Y/iext.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral13
Sample
rxbaoV3.29_Y/ntems.dll
Resource
win7-20221111-en
Behavioral task
behavioral14
Sample
rxbaoV3.29_Y/ntems.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral15
Sample
rxbaoV3.29_Y/rxbaoV3.29_Y.exe
Resource
win7-20220901-en
Behavioral task
behavioral16
Sample
rxbaoV3.29_Y/rxbaoV3.29_Y.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral17
Sample
rxbaoV3.29_Y/rxbb.dll
Resource
win7-20221111-en
Behavioral task
behavioral18
Sample
rxbaoV3.29_Y/rxbb.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral19
Sample
rxbaoV3.29_Y/rxdbb.dll
Resource
win7-20220812-en
Behavioral task
behavioral20
Sample
rxbaoV3.29_Y/rxdbb.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral21
Sample
rxbaoV3.29_Y/temp.exe
Resource
win7-20220812-en
Behavioral task
behavioral22
Sample
rxbaoV3.29_Y/temp.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral23
Sample
rxbaoV3.29_Y/xplib.dll
Resource
win7-20220812-en
Behavioral task
behavioral24
Sample
rxbaoV3.29_Y/xplib.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral25
Sample
rxbaoV3.29_Y/zlibwapi.dll
Resource
win7-20220812-en
Behavioral task
behavioral26
Sample
rxbaoV3.29_Y/zlibwapi.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral27
Sample
rxbaoV3.29_Y/查线.exe
Resource
win7-20220901-en
Behavioral task
behavioral28
Sample
rxbaoV3.29_Y/查线.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral29
Sample
rxbaoV3.29_Y/热血宝宝.exe
Resource
win7-20221111-en
Behavioral task
behavioral30
Sample
rxbaoV3.29_Y/热血宝宝.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral31
Sample
第七下载.url
Resource
win7-20220901-en
Behavioral task
behavioral32
Sample
第七下载.url
Resource
win10v2004-20221111-en
General
-
Target
rxbaoV3.29_Y/rxbaoV3.29_Y.exe
-
Size
278KB
-
MD5
bb38eee96a088ae584ef279ecfa78d23
-
SHA1
ea6ddd00db17607d6de1d50e64ac27103d7945bf
-
SHA256
4e6a1b9790bf63d2aa0a9c12d9a9cffc516eb7f793716587786ab37c7f5e89e5
-
SHA512
7f1e3538e941cae7fb194def0172a9d4cf0dc568024722d70ecb84bf7675c0f281adcdc10c9288b86f4e1b50a5c5c9044f17532f8e89aaac85223b900f783ef5
-
SSDEEP
6144:uz+92mhAMJ/cPl3im0L4sxZz417txhutOmsLouttmJ1DZc576F17i:uK2mhAMJ/cPl9M4lhutwQ1wU17i
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
热血宝宝自动检测更新.exepid process 2152 热血宝宝自动检测更新.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe upx C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe upx behavioral16/memory/2152-135-0x0000000000400000-0x0000000000412000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
rxbaoV3.29_Y.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation rxbaoV3.29_Y.exe -
Drops file in System32 directory 2 IoCs
Processes:
热血宝宝自动检测更新.exedescription ioc process File created C:\Windows\SysWOW64\zzxxcck.dll 热血宝宝自动检测更新.exe File opened for modification C:\Windows\SysWOW64\zzxxcck.dll 热血宝宝自动检测更新.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
热血宝宝自动检测更新.exedescription pid process Token: SeDebugPrivilege 2152 热血宝宝自动检测更新.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rxbaoV3.29_Y.exedescription pid process target process PID 1152 wrote to memory of 2152 1152 rxbaoV3.29_Y.exe 热血宝宝自动检测更新.exe PID 1152 wrote to memory of 2152 1152 rxbaoV3.29_Y.exe 热血宝宝自动检测更新.exe PID 1152 wrote to memory of 2152 1152 rxbaoV3.29_Y.exe 热血宝宝自动检测更新.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\rxbaoV3.29_Y.exe"C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\rxbaoV3.29_Y.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe"C:\Users\Admin\AppData\Local\Temp\rxbaoV3.29_Y\热血宝宝自动检测更新.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2152
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
37KB
MD5e9a4f6a3da13323a8b4282df3edd06f5
SHA131d785e02734f68b685be1477d240cb56bb06acf
SHA2563a822cf5a59f18ec26046e2a02d961c17c19c292432587e335dfed4db6b7da27
SHA5128db04e0dd14bcdcbf2ff8144c64ddfc624db8f23dc5f5386908dabffc5f259b0c33bdc0c17120858666aa828733fdc5326f9eed3e46aaf2dcf3eecf4d4318b59
-
Filesize
37KB
MD5e9a4f6a3da13323a8b4282df3edd06f5
SHA131d785e02734f68b685be1477d240cb56bb06acf
SHA2563a822cf5a59f18ec26046e2a02d961c17c19c292432587e335dfed4db6b7da27
SHA5128db04e0dd14bcdcbf2ff8144c64ddfc624db8f23dc5f5386908dabffc5f259b0c33bdc0c17120858666aa828733fdc5326f9eed3e46aaf2dcf3eecf4d4318b59