socks5systemz | 98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678

General

Target

98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.exe
Size

5.2MB
MD5

b3259f98d5cd88cb8a434b71c0d81e25
SHA1

edd584cd00a3320b42da5570a64b4ba3d6ecf5b1
SHA256

98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678
SHA512

2c69edac4d256cd44aeb6b7e0a166920c2505cc399022d64b77f2a1d0d0419c4a9a29bdf05e254243e1f8e647e1175b0b41172ee4464a578d14d1346fce97a88
SSDEEP

98304:m+lz20U/vYRG2w/IfCiUtpclU9jxJ8hdzvOOOwZsCnSgc4lF:TJUXYLw/3id6bJ6DXSgc43

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/436-92-0x0000000002870000-0x0000000002912000-memory.dmp	family_socks5systemz
behavioral2/memory/436-115-0x0000000002870000-0x0000000002912000-memory.dmp	family_socks5systemz
behavioral2/memory/436-116-0x0000000002870000-0x0000000002912000-memory.dmp	family_socks5systemz

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

Processes:

98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmpmidiplayer32.exemidiplayer32.exe

pid process

4852 98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp
1488 midiplayer32.exe
436 midiplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp

pid	process
4852	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp
4852	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp
4852	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.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:

98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp

pid process

4852 98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp

description	ioc
Destination IP	91.211.247.248

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.exe98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp

description	pid	process	target process
PID 3076 wrote to memory of 4852	3076	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.exe	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp
PID 3076 wrote to memory of 4852	3076	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.exe	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp
PID 3076 wrote to memory of 4852	3076	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.exe	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp
PID 4852 wrote to memory of 1488	4852	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp	midiplayer32.exe
PID 4852 wrote to memory of 1488	4852	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp	midiplayer32.exe
PID 4852 wrote to memory of 1488	4852	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp	midiplayer32.exe
PID 4852 wrote to memory of 436	4852	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp	midiplayer32.exe
PID 4852 wrote to memory of 436	4852	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp	midiplayer32.exe
PID 4852 wrote to memory of 436	4852	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp	midiplayer32.exe

C:\Users\Admin\AppData\Local\Temp\98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.exe
"C:\Users\Admin\AppData\Local\Temp\98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3076

C:\Users\Admin\AppData\Local\Temp\is-N5QH8.tmp\98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp
"C:\Users\Admin\AppData\Local\Temp\is-N5QH8.tmp\98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp" /SL5="$40222,5240647,54272,C:\Users\Admin\AppData\Local\Temp\98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4852

C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe
"C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe" -i
3⤵
- Executes dropped EXE
PID:1488

C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe
"C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe" -s
3⤵
- Executes dropped EXE
PID:436

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

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Downloads

C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe

Filesize
2.5MB

MD5
6ec69161bd0a37a2cd7df70b634c0c45

SHA1
9edaaf06ca880170949c525fbaaf0400081202f4

SHA256
37470b5e85457f41409ddbdaf034210b7135915413d29376baf1b91f5931a019

SHA512
56d0252c091cb74e796167476f795e290738b2516924e01a49058ac24096e16982a23fd9d55c68bbd02956601a25690575092a77379095a2ca9cdf65da31fb03

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3OEKD.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3OEKD.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-N5QH8.tmp\98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp

Filesize
680KB

MD5
29ac48e0713a4220ff4b4b47efe542b4

SHA1
9ea8bdf5547a541b755f4b2c0bc14bf817885e94

SHA256
deead3dd651930ad0bec5d7bae647d7a1637b48bb7495593995218c4cd6dd67c

SHA512
501cdc7df40fb0cd1a114b4d5f5dcab765141c58f29bafa1e4a816319354a3d6d9e0d4b2ee5a2fad64f3fb08fb7bbdaad30551587a875f8fbdc2acdb8f67a3d4

Download Submit
memory/436-99-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-86-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-123-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-120-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-116-0x0000000002870000-0x0000000002912000-memory.dmp

Filesize
648KB

Download
memory/436-115-0x0000000002870000-0x0000000002912000-memory.dmp

Filesize
648KB

Download
memory/436-114-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-74-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-111-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-108-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-77-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-80-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-83-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-105-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-89-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-92-0x0000000002870000-0x0000000002912000-memory.dmp

Filesize
648KB

Download
memory/436-93-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/436-102-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1488-70-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1488-71-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1488-66-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/1488-65-0x0000000000400000-0x000000000068F000-memory.dmp

Filesize
2.6MB

Download
memory/3076-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3076-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3076-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4852-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4852-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

pid	process
4852	98affc593deaedca152f0dd9d74b820b8f99a4d5da2a4e047c6325ebbd4a5678.tmp
1488	midiplayer32.exe
436	midiplayer32.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads