socks5systemz | 5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 11:24

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General

Target

5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.exe
Size

5.2MB
MD5

1f96023e14cc34235cd501eef1557192
SHA1

609d0fe1544cb0cc54eb0d63c9677e49236bcc5d
SHA256

5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16
SHA512

6c0a4aae331d88e0268f903c2a0fd0d2edb218ec224e36419da27f199c955253c840de9ae5de3fc46c4a2c5433393518d24f0da8ec316faabcccba5f1ae169ba
SSDEEP

98304:CH7JcgOyGfN8FCUpRTUyC/3f4NHdzGN4X2ONUZOgnMrz2ML+Qxle:ScMIICU3TUXk9zG2XYpqwQK

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1056-87-0x0000000000940000-0x00000000009E2000-memory.dmp	family_socks5systemz
behavioral1/memory/1056-110-0x0000000000940000-0x00000000009E2000-memory.dmp	family_socks5systemz
behavioral1/memory/1056-111-0x0000000000940000-0x00000000009E2000-memory.dmp	family_socks5systemz

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

Processes:

5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmpmp3doctorfree32.exemp3doctorfree32.exe

pid process

2388 5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp
2488 mp3doctorfree32.exe
1056 mp3doctorfree32.exe
Loads dropped DLL 1 IoCs

Processes:

5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp

pid process

2388 5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.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:

5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp

pid process

2388 5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp

pid	process
2388	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp
2488	mp3doctorfree32.exe
1056	mp3doctorfree32.exe

pid	process
2388	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
2388	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.exe5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp

description	pid	process	target process
PID 3292 wrote to memory of 2388	3292	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.exe	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp
PID 3292 wrote to memory of 2388	3292	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.exe	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp
PID 3292 wrote to memory of 2388	3292	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.exe	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp
PID 2388 wrote to memory of 2488	2388	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp	mp3doctorfree32.exe
PID 2388 wrote to memory of 2488	2388	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp	mp3doctorfree32.exe
PID 2388 wrote to memory of 2488	2388	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp	mp3doctorfree32.exe
PID 2388 wrote to memory of 1056	2388	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp	mp3doctorfree32.exe
PID 2388 wrote to memory of 1056	2388	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp	mp3doctorfree32.exe
PID 2388 wrote to memory of 1056	2388	5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp	mp3doctorfree32.exe

C:\Users\Admin\AppData\Local\Temp\5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.exe
"C:\Users\Admin\AppData\Local\Temp\5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3292

C:\Users\Admin\AppData\Local\Temp\is-SFLI2.tmp\5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SFLI2.tmp\5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp" /SL5="$7011E,5187513,54272,C:\Users\Admin\AppData\Local\Temp\5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2388

C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe" -i
3⤵
- Executes dropped EXE
PID:2488

C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe" -s
3⤵
- Executes dropped EXE
PID:1056

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe
Filesize
3.7MB

MD5
34eae4f9e94a012f79658a7ce93081dc

SHA1
9501a7cf0b63337d42232da7e96f43f29b113bee

SHA256
e02660be2ee95b08d2516b52887713e47ef479c70c98c1ea258cd92e3a12ba7c

SHA512
b364adca7f7e9d47af03cfa29c9070584717cc52c65fce2d6f349b1e74fab0728c8faa8348576e45be473f5e38e39146a6b93a1373792f8d6c27942eedd4e136

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-NGU0S.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SFLI2.tmp\5146cd3ad1333f72cbe2c3cb8980aaf7ddb6b710fedda50a5b16b999eea74f16.tmp
Filesize
680KB

MD5
ccb0aaf8d3c06066757797254c79d1e4

SHA1
ed94ebd53602b25e6ae0d78c4fd25f74d0c3f688

SHA256
eb2f1a419f65636db628e3047fd9786a7a156c39a86433c5afa8238ed619aabd

SHA512
34007e899fc813653d2518a0201347dd738cc9c8adf0324e158c117b4ceef6537c15a4fe72c691b28f19c77b56b14aef7f6c7e3e8b8a3bcbd9391783ed1bed10

Download Submit
memory/1056-100-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-103-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-78-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-118-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-81-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-115-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-111-0x0000000000940000-0x00000000009E2000-memory.dmp

Filesize
648KB

Download
memory/1056-66-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-68-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-110-0x0000000000940000-0x00000000009E2000-memory.dmp

Filesize
648KB

Download
memory/1056-109-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-84-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-74-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-75-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-106-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-97-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-71-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-87-0x0000000000940000-0x00000000009E2000-memory.dmp

Filesize
648KB

Download
memory/1056-89-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/1056-94-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/2388-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2388-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2488-60-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/2488-63-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/2488-64-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/2488-59-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/3292-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3292-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3292-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download