socks5systemz | 484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc

Analysis

max time kernel
147s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 06:11

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General

Target

484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe
Size

5.4MB
MD5

9a1a2cdb18b0aaf93a02d07384c034e0
SHA1

3e34b1b0d98e3caa86d8680dcf417595ccdb8ea3
SHA256

484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc
SHA512

0df3523b6c75a8b57e9ad0c756a83331dee7d30cf7df0a5090e533998d7dd67dfe1f76959252eef47716d95376f4b727d8ced2d341278a9c3826221d295edbae
SSDEEP

98304:CrHuP7y7pohnrl/wze0Fs37IgHIWmLEnsPGi6V2SehJkBpTPoytQx2:GLVcoze+DdFpq+ctPoytQw

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/888-88-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz
behavioral2/memory/888-113-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz
behavioral2/memory/888-114-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmpmp3doctorfree.exemp3doctorfree.exe

pid process

4224 484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp
3684 mp3doctorfree.exe
888 mp3doctorfree.exe
Loads dropped DLL 1 IoCs

Processes:

484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp

pid process

4224 484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.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.
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:

484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp

pid process

4224 484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp

pid	process
4224	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp
3684	mp3doctorfree.exe
888	mp3doctorfree.exe

pid	process
4224	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
4224	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp

description	pid	process	target process
PID 4916 wrote to memory of 4224	4916	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp
PID 4916 wrote to memory of 4224	4916	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp
PID 4916 wrote to memory of 4224	4916	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp
PID 4224 wrote to memory of 3684	4224	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp	mp3doctorfree.exe
PID 4224 wrote to memory of 3684	4224	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp	mp3doctorfree.exe
PID 4224 wrote to memory of 3684	4224	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp	mp3doctorfree.exe
PID 4224 wrote to memory of 888	4224	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp	mp3doctorfree.exe
PID 4224 wrote to memory of 888	4224	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp	mp3doctorfree.exe
PID 4224 wrote to memory of 888	4224	484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp	mp3doctorfree.exe

C:\Users\Admin\AppData\Local\Temp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe
"C:\Users\Admin\AppData\Local\Temp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4916

C:\Users\Admin\AppData\Local\Temp\is-GICA0.tmp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp
"C:\Users\Admin\AppData\Local\Temp\is-GICA0.tmp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp" /SL5="$6023A,5400263,54272,C:\Users\Admin\AppData\Local\Temp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4224

C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -i
3⤵
- Executes dropped EXE
PID:3684

C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -s
3⤵
- Executes dropped EXE
PID:888

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\MP3Doctor Free 2022\mp3doctorfree.exe
Filesize
3.9MB

MD5
bf3e9c57eb8403846c7b7348ccde0989

SHA1
dec93de074563fcd45b8e2cbf9956d14399d93b3

SHA256
ffc679c9dff626c1ba8ad061a9134d3386b634b1d694c9de9fd2757fdc9b5714

SHA512
2b19fd1f7a83e95545c6cfc6c9ccf2ecdaa40c7f7dd7dcaf7d51e243aa8d1e6e2b39f26146895e34b189554d084dad609bf496a9bdccf8807e4240ea12d8ac16

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-GICA0.tmp\484785da5e1c9c8927c2b71d9547cac7d8e88e386fb518a9fc41a3abe51b1bbc.tmp
Filesize
680KB

MD5
a8acbb635dadcdb78f1859944862815c

SHA1
83872731d4effcfa9d15612316210b2e76da02e4

SHA256
8727197eb8363c1c5fdb30b8a98323964d2444a38c3436d1d8c4e64e60c5789b

SHA512
f671adc769c422ef3eb651447c3aed365f70ce62f7f442b5b748d5f7f269be9b657711f2489c6a1b1132495f59f18fd6e4b683c029dd628b24b98a07da264cf7

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-V10LL.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/888-101-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-104-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-79-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-119-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-82-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-115-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-114-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/888-67-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-69-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-113-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/888-110-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-85-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-76-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-75-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-107-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-98-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-72-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-88-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/888-89-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/888-95-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/3684-60-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/3684-65-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/3684-64-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/3684-59-0x0000000000400000-0x00000000007E9000-memory.dmp

Filesize
3.9MB

Download
memory/4224-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4224-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4916-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4916-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4916-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download