socks5systemz | 388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 16:38

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General

Target

388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe
Size

5.2MB
MD5

6c4dbe7bb64e09d17061d2bf0dd5b846
SHA1

7f3332131de057503432e957cdb7336766678b1f
SHA256

388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39
SHA512

4fd409ccf59f121e594b24de1c57b3102cc6d207b7feee32207f1de90a4c8e15e41485476794faa58348af41355d02ce7dabf1a22c11454c274765ff937d2fbd
SSDEEP

98304:CfJ1K3exMHTe5FsipYXCnVIU/EcCgn6TWlsvaowglIRdl4Qxla:SB5iip0U/xxAWyhYdCQva

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/3192-86-0x0000000000BC0000-0x0000000000C62000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmpudadvdfreeripper32_64.exeudadvdfreeripper32_64.exe

pid process

848 388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp
3728 udadvdfreeripper32_64.exe
3192 udadvdfreeripper32_64.exe
Loads dropped DLL 1 IoCs

Processes:

388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp

pid process

848 388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.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 91.211.247.248
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp

pid process

848 388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp

resource	yara_rule
behavioral2/memory/3192-86-0x0000000000BC0000-0x0000000000C62000-memory.dmp	family_socks5systemz

pid	process
848	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp
3728	udadvdfreeripper32_64.exe
3192	udadvdfreeripper32_64.exe

pid	process
848	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
848	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp

description	pid	process	target process
PID 2572 wrote to memory of 848	2572	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp
PID 2572 wrote to memory of 848	2572	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp
PID 2572 wrote to memory of 848	2572	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp
PID 848 wrote to memory of 3728	848	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp	udadvdfreeripper32_64.exe
PID 848 wrote to memory of 3728	848	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp	udadvdfreeripper32_64.exe
PID 848 wrote to memory of 3728	848	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp	udadvdfreeripper32_64.exe
PID 848 wrote to memory of 3192	848	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp	udadvdfreeripper32_64.exe
PID 848 wrote to memory of 3192	848	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp	udadvdfreeripper32_64.exe
PID 848 wrote to memory of 3192	848	388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp	udadvdfreeripper32_64.exe

C:\Users\Admin\AppData\Local\Temp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe
"C:\Users\Admin\AppData\Local\Temp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2572

C:\Users\Admin\AppData\Local\Temp\is-1MU9S.tmp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp
"C:\Users\Admin\AppData\Local\Temp\is-1MU9S.tmp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp" /SL5="$9013C,5183371,54272,C:\Users\Admin\AppData\Local\Temp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:848

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe" -i
3⤵
- Executes dropped EXE
PID:3728

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe" -s
3⤵
- Executes dropped EXE
PID:3192

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-1MU9S.tmp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp
Filesize
680KB

MD5
abcd6f574ffe756e51da3afb3c212040

SHA1
ea0ecf034c3122d64395aaafa59ea701d6b86c00

SHA256
441148131dcb4a120bbc5909fafc077d739274062eddb093fe3d072ec3dc29b7

SHA512
41d2fafdd9b89da7510d683ae8d0b4fc7ff92889d8b684a04b7684940b2db3587685c453547afec570ee1f28ad95376d3ac052372f0a08a0eb4604dd811f7c03

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TK2OT.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
Filesize
3.9MB

MD5
d5635f3ec01ea82983c16f21d9640626

SHA1
aa544ae45f99e0630ec407f2a7f014414f01037a

SHA256
197443e78299e40ce13dcaae093a4ed91ef3f8aafefe07a2a93095b0bd2afe28

SHA512
0c2e3401b818579209b80dd15cacb00d9743e53d09c4c0de80ffe72f693d92f9a98bd1d24fb444bf7d8c3a6b7eae6b6ee672d2f07c15058b3c265dbcf263e2a9

Download Submit
memory/848-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/848-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2572-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2572-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2572-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3192-115-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-74-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-109-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-112-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-103-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-70-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-106-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-67-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-77-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-80-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-83-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-86-0x0000000000BC0000-0x0000000000C62000-memory.dmp

Filesize
648KB

Download
memory/3192-88-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-94-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-97-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3192-100-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3728-64-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3728-73-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3728-62-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download
memory/3728-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3728-59-0x0000000000400000-0x00000000007EF000-memory.dmp

Filesize
3.9MB

Download