Analysis
-
max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 14:00
Static task
static1
Behavioral task
behavioral1
Sample
41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.exe
Resource
win11-20240426-en
General
-
Target
41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.exe
-
Size
4.8MB
-
MD5
5b68e93efa01658abfa6973d4edefbba
-
SHA1
bba6b283d9868ade8cdc9e3836b45b69d9571ee7
-
SHA256
41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2
-
SHA512
794195bbcdc95da4b51aecc39e529c34f31e831f8908d20a868b25edeb840c918844cb09d2b29fc14f3412f61d33f655275af482e58de637f10b157ad5a99682
-
SSDEEP
98304:mL9+s43mQb0pcInMAkkDAY506fbgJpjjOAO4bzBj1EkqS/TtXEC0:mE3xgpLn+kkY50DpHrO8zjsSLBED
Malware Config
Signatures
-
Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1644-87-0x00000000009D0000-0x0000000000A72000-memory.dmp family_socks5systemz behavioral1/memory/1644-111-0x00000000009D0000-0x0000000000A72000-memory.dmp family_socks5systemz behavioral1/memory/1644-110-0x00000000009D0000-0x0000000000A72000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
Processes:
41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp5kplayer32.exe5kplayer32.exepid process 892 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp 840 5kplayer32.exe 1644 5kplayer32.exe -
Loads dropped DLL 1 IoCs
Processes:
41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmppid process 892 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 152.89.198.214 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmppid process 892 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.exe41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmpdescription pid process target process PID 5024 wrote to memory of 892 5024 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.exe 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp PID 5024 wrote to memory of 892 5024 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.exe 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp PID 5024 wrote to memory of 892 5024 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.exe 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp PID 892 wrote to memory of 840 892 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp 5kplayer32.exe PID 892 wrote to memory of 840 892 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp 5kplayer32.exe PID 892 wrote to memory of 840 892 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp 5kplayer32.exe PID 892 wrote to memory of 1644 892 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp 5kplayer32.exe PID 892 wrote to memory of 1644 892 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp 5kplayer32.exe PID 892 wrote to memory of 1644 892 41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp 5kplayer32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.exe"C:\Users\Admin\AppData\Local\Temp\41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5024 -
C:\Users\Admin\AppData\Local\Temp\is-RM9DE.tmp\41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp"C:\Users\Admin\AppData\Local\Temp\is-RM9DE.tmp\41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp" /SL5="$80090,4732976,54272,C:\Users\Admin\AppData\Local\Temp\41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:892 -
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i3⤵
- Executes dropped EXE
PID:840
-
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s3⤵
- Executes dropped EXE
PID:1644
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3.3MB
MD59e5304485c9d6c03b9c4cc80a20b4f8f
SHA1388c7dbc278211f9da02c5712eaa89f8527bc062
SHA256ebf7209dc5f4d4e63e3a26c0cff178b9a66a19097bedbfe0fb535660c8d67eb0
SHA5123b14b9c25808a9da1efde6368406f04c166c86b44cf55358fb87ca4fabc88748c9c3a2d2803f7017196d8439811b69a99ca678b46c1d4300a3e17a19f3e71517
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
C:\Users\Admin\AppData\Local\Temp\is-RM9DE.tmp\41616e9ec10e24b1d3b4d1e53c6be8ae0e5c3e10b8d81a3cdd640002041693d2.tmp
Filesize680KB
MD535dc5f441f5af688cd72c6e0b8dc86dc
SHA1328afce7e8d428b4c0769b722ebf6f7ada656751
SHA256d54b98ace62fc4252c1b7f4a06166cbaa1f246183fb9ea36034b34c9bcd2dddc
SHA51252d5291fdee71e36c724afdc6dfcf86ee17957e52cccbdb663285b5b2f4bfd9b8597e2cedf48f7faf0f17255c6544ae287e0d90c062f76451bc5fe994b39dcc4