socks5systemz | 766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563

General

Target

766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe
Size

4.8MB
MD5

f4cce84eed097ab8dac2a39ff58f7c1b
SHA1

eef97db473401786a17032097b3fb8dc8371d830
SHA256

766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563
SHA512

8371166fc44c50ba4d90b057cfd45dd29e008840da3d837512df0227e417b831cd264287f3e98d194da090f340f70a8cca0a3a98148f3fce4762b982fe05fde8
SSDEEP

98304:mckG9e7vYNineEV4S3QbrCidv46/0xGkm2xqskwbW+TlMECVZosZdZBO:fw9njqM05O68xGRspbPaECVZoYdPO

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ebrqiou.ua

http://ebrqiou.ua/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfd10c0e69c

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2656-93-0x0000000002570000-0x0000000002612000-memory.dmp	family_socks5systemz

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

Processes:

766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmplinuxmultiMediastudio.exelinuxmultiMediastudio.exe

pid process

3000 766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
2716 linuxmultiMediastudio.exe
2656 linuxmultiMediastudio.exe

pid	process
3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
2716	linuxmultiMediastudio.exe
2656	linuxmultiMediastudio.exe

Loads dropped DLL 5 IoCs

Processes:

766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp

pid	process
2184	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe
3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.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:

766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp

pid process

3000 766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp

description	pid	process	target process
PID 2184 wrote to memory of 3000	2184	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
PID 2184 wrote to memory of 3000	2184	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
PID 2184 wrote to memory of 3000	2184	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
PID 2184 wrote to memory of 3000	2184	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
PID 2184 wrote to memory of 3000	2184	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
PID 2184 wrote to memory of 3000	2184	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
PID 2184 wrote to memory of 3000	2184	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
PID 3000 wrote to memory of 2716	3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp	linuxmultiMediastudio.exe
PID 3000 wrote to memory of 2716	3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp	linuxmultiMediastudio.exe
PID 3000 wrote to memory of 2716	3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp	linuxmultiMediastudio.exe
PID 3000 wrote to memory of 2716	3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp	linuxmultiMediastudio.exe
PID 3000 wrote to memory of 2656	3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp	linuxmultiMediastudio.exe
PID 3000 wrote to memory of 2656	3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp	linuxmultiMediastudio.exe
PID 3000 wrote to memory of 2656	3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp	linuxmultiMediastudio.exe
PID 3000 wrote to memory of 2656	3000	766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp	linuxmultiMediastudio.exe

C:\Users\Admin\AppData\Local\Temp\766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe
"C:\Users\Admin\AppData\Local\Temp\766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184

C:\Users\Admin\AppData\Local\Temp\is-0U8MJ.tmp\766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
"C:\Users\Admin\AppData\Local\Temp\is-0U8MJ.tmp\766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp" /SL5="$5014A,4741656,54272,C:\Users\Admin\AppData\Local\Temp\766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3000

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i
3⤵
- Executes dropped EXE
PID:2716

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s
3⤵
- Executes dropped EXE
PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
Filesize
3.1MB

MD5
8039b7a93c1605a6247bc252df666504

SHA1
39fc7c8080c92192b6ad50fec7c0452c056c405c

SHA256
b63ac6107e7d425ca1da0a4d75661df88a3c1fc5f3ca9e241bc65e1b24b9f057

SHA512
84b126f354e6c9e27cafe86569c917ecf3b32d2e17673b4fae8ec2409ee934b58d0cc9947ae2b1186a7f34191ab02514e5a70efd28b541abe7fd2303e68ec9de

Download Submit
\Users\Admin\AppData\Local\Temp\is-0U8MJ.tmp\766d77dd8897a16d2f326e35844ee67e62df142301311323f8aee2d97a280563.tmp
Filesize
680KB

MD5
dd73ff1686cae39eb3fe006407e3ac9e

SHA1
4d0363f9023167d5e8447c17014f68b19e423a73

SHA256
7f0329d8609fa1eb907bdfa40b6663220c2cfa80e982463656dd107e152fd494

SHA512
8e89b90bc01a4617eb03bd213121eeeb6c5dba3bd955013b37a7f72ee9315570877650a3609c210adf1dab05dfac119bd9f10304799c290f38f774f8d46d32dc

Download Submit
\Users\Admin\AppData\Local\Temp\is-6K782.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-6K782.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2184-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2184-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2184-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2656-105-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-92-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-138-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-133-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-72-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-130-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-127-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-76-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-124-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-80-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-83-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-86-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-89-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-121-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-93-0x0000000002570000-0x0000000002612000-memory.dmp

Filesize
648KB

Download
memory/2656-99-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-102-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-118-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-108-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-111-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2656-114-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2716-65-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2716-70-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2716-66-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/3000-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3000-77-0x0000000005910000-0x0000000005C26000-memory.dmp

Filesize
3.1MB

Download
memory/3000-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3000-64-0x0000000005910000-0x0000000005C26000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads