socks5systemz | b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a

Analysis

max time kernel
142s
max time network
127s
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 22:21

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General

Target

b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe
Size

5.3MB
MD5

1b069699986845b90e02e1a96827a4f1
SHA1

026afba6186f5abaac6e10fa5205d7d480d04678
SHA256

b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a
SHA512

6c9e8c6ff5ae92b37bc99fa77abbe44b58a9f6502226bb13379a0e84b9b84c9a69b79f23e86d44e4af25af648612b3413b7cb7a716952bb5911273cd21debb4b
SSDEEP

98304:C2b02CPWcPecIlge2AN2HrYM2geq6XWxGVAn48tK/h6E5/89qeoYe+NXkcZWuUQE:V0/Pe7gWorYngeqem48q6EBmpe+NXu/1

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/3884-87-0x0000000002A20000-0x0000000002AC2000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exe

pid process

672 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp
5080 mp3doctorfree32_64.exe
3884 mp3doctorfree32_64.exe
Loads dropped DLL 1 IoCs

Processes:

b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp

pid process

672 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.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:

b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp

pid process

672 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp

resource	yara_rule
behavioral2/memory/3884-87-0x0000000002A20000-0x0000000002AC2000-memory.dmp	family_socks5systemz

pid	process
672	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp
5080	mp3doctorfree32_64.exe
3884	mp3doctorfree32_64.exe

pid	process
672	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
672	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exeb1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp

description	pid	process	target process
PID 400 wrote to memory of 672	400	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp
PID 400 wrote to memory of 672	400	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp
PID 400 wrote to memory of 672	400	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp
PID 672 wrote to memory of 5080	672	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp	mp3doctorfree32_64.exe
PID 672 wrote to memory of 5080	672	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp	mp3doctorfree32_64.exe
PID 672 wrote to memory of 5080	672	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp	mp3doctorfree32_64.exe
PID 672 wrote to memory of 3884	672	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp	mp3doctorfree32_64.exe
PID 672 wrote to memory of 3884	672	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp	mp3doctorfree32_64.exe
PID 672 wrote to memory of 3884	672	b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp	mp3doctorfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe
"C:\Users\Admin\AppData\Local\Temp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:400

C:\Users\Admin\AppData\Local\Temp\is-1N5NQ.tmp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-1N5NQ.tmp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp" /SL5="$40228,5285551,54272,C:\Users\Admin\AppData\Local\Temp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:672

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -i
3⤵
- Executes dropped EXE
PID:5080

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -s
3⤵
- Executes dropped EXE
PID:3884

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 2020\mp3doctorfree32_64.exe
Filesize
3.9MB

MD5
3bd2bd459ae930bc3f20152c13902645

SHA1
3f354c8f115329029b528cd76c6632bcb4136819

SHA256
4891c316d865082fdb0d2f953e472ff93a89401c8ea28ad434807e08e00124ab

SHA512
2a71c5ab3f92c07b2ae12ff774a86dc92884f604a2321068f45a81b6a2ac18ab1e3928aa4f037105ecbcabf2095140418438fb1e8640d7bcb5579d8b0c6bff5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-1N5NQ.tmp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp
Filesize
680KB

MD5
6f995e2d6c8d0d1d03cb3afcd1deafaf

SHA1
0319dbd8c7b44067b82fed5272059757a526b3aa

SHA256
cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb

SHA512
207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F5LR6.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/400-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/400-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/400-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/672-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/672-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3884-70-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-77-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-112-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-115-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-105-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-73-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-108-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-67-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-80-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-83-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-86-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-87-0x0000000002A20000-0x0000000002AC2000-memory.dmp

Filesize
648KB

Download
memory/3884-93-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-96-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-99-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3884-102-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/5080-64-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/5080-74-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/5080-60-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/5080-59-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download