socks5systemz | 27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65

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 14:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.exe
Size

5.4MB
MD5

905125b6587d252f281b0c843bcc1ea7
SHA1

8966d0135b1374d44b4792c9320e89dbd3fc7c39
SHA256

27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65
SHA512

60499dc71906a3b5d290924070abacebdd7e304d841d3ad7233f9ec4a2d934da1e73f05f90350ae929403f3975d05c02f703ffdb4bac28e955b1ce28391a9768
SSDEEP

98304:CpFF6uI2nefie4bZiGgnN0TSWnOdY4SUooxbuVtqMAebwM8LO++PBXiRFiUxijjo:Uf6uVnefi3ZiXwSWnMjooUVtaebwMqgi

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2120-87-0x00000000008A0000-0x0000000000942000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmpmp3doctorfree32.exemp3doctorfree32.exe

pid process

4816 27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp
1000 mp3doctorfree32.exe
2120 mp3doctorfree32.exe
Loads dropped DLL 1 IoCs

Processes:

27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp

pid process

4816 27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp
Unexpected DNS network traffic destination 3 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
Destination IP 152.89.198.214
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:

27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp

pid process

4816 27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp

resource	yara_rule
behavioral1/memory/2120-87-0x00000000008A0000-0x0000000000942000-memory.dmp	family_socks5systemz

pid	process
4816	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp
1000	mp3doctorfree32.exe
2120	mp3doctorfree32.exe

pid	process
4816	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
4816	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.exe27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp

description	pid	process	target process
PID 2472 wrote to memory of 4816	2472	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.exe	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp
PID 2472 wrote to memory of 4816	2472	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.exe	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp
PID 2472 wrote to memory of 4816	2472	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.exe	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp
PID 4816 wrote to memory of 1000	4816	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp	mp3doctorfree32.exe
PID 4816 wrote to memory of 1000	4816	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp	mp3doctorfree32.exe
PID 4816 wrote to memory of 1000	4816	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp	mp3doctorfree32.exe
PID 4816 wrote to memory of 2120	4816	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp	mp3doctorfree32.exe
PID 4816 wrote to memory of 2120	4816	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp	mp3doctorfree32.exe
PID 4816 wrote to memory of 2120	4816	27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp	mp3doctorfree32.exe

C:\Users\Admin\AppData\Local\Temp\27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.exe
"C:\Users\Admin\AppData\Local\Temp\27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2472

C:\Users\Admin\AppData\Local\Temp\is-DQULU.tmp\27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp
"C:\Users\Admin\AppData\Local\Temp\is-DQULU.tmp\27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp" /SL5="$40214,5443522,54272,C:\Users\Admin\AppData\Local\Temp\27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4816

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:1000

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:2120

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
3.5MB

MD5
58aa28ace7488333464c0fade9153918

SHA1
b719e8905a6fd850d7960d17f677ff77c708d012

SHA256
f551d5221965e8196f4eefdbd83544b94759d9a583bf8d46433d1b4c5c0fcd10

SHA512
895f1c02ed174608d191f4a6e1ebff376e8296f9aeedbe0e8f7520e4c07386bcb873db15f056b24d5c9d67c5670017c300171b046c58fba3d7e5b0cda4bb1f3c

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DQULU.tmp\27102c0016f4ccf261e1435bb425529f870b4d70aa7aaf6bf4cb6ac947936b65.tmp
Filesize
680KB

MD5
f2c590a5984e17e207ae3170ad207b55

SHA1
213e360c8d168c3c6e0e0ffb071e1d8b04bcb815

SHA256
bde90135e9cd6e66c996b468bbd498f87c5b3fe08537b4cf81943de0c00e51aa

SHA512
7754dfeb1102dc165383ce36aaa39d0c6ea99502d8ec3decb33f7c124602796f2e5daa4ef2c6153fe250d75e3d5d399b0cf90376f5e5520211c5dc6275d6ad77

Download Submit
memory/1000-60-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1000-65-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1000-64-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1000-59-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-75-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-84-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-115-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-68-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-112-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-109-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-71-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-106-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-74-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-78-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-81-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-103-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-87-0x00000000008A0000-0x0000000000942000-memory.dmp

Filesize
648KB

Download
memory/2120-89-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-94-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-97-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2120-100-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2472-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2472-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2472-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4816-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4816-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download