socks5systemz | 5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1

General

Target

5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.exe
Size

4.8MB
MD5

7262af3145c36b3a70b2558c4654d801
SHA1

5d65e62b44c4f452f27b02db312be9dad3e67ce5
SHA256

5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1
SHA512

d55dcee7a7741b2782b103fa08f0923b28fc328ffd984b63315de1469b8e2faf71fe24d31b41fbcf250f3a9451b8e3182e8b102a0fe79d62ac7bcf9cad8f9b25
SSDEEP

98304:miPTa/2us2U9YyyUXBKoqjZcMH8UZnJfZWBDALJUnvf/C:D2/2us2gBXBUZnJf4BDAGvf/C

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aiqiywu.ru

http://aiqiywu.ru/search/?q=67e28dd83954f07a4008f8497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff715c0e79d9a32

http://aiqiywu.ru/search/?q=67e28dd83954f07a4008f8497c27d78406abdd88be4b12eab517aa5c96bd86e895834c845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9e3bc567961f

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4644-86-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz
behavioral1/memory/4644-110-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz
behavioral1/memory/4644-111-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz

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

Processes:

5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmpm4atomp3converter.exem4atomp3converter.exe

pid process

4720 5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp
1724 m4atomp3converter.exe
4644 m4atomp3converter.exe
Loads dropped DLL 1 IoCs

Processes:

5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp

pid process

4720 5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.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:

5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp

pid process

4720 5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp

pid	process
4720	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp
1724	m4atomp3converter.exe
4644	m4atomp3converter.exe

pid	process
4720	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
4720	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.exe5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp

description	pid	process	target process
PID 4192 wrote to memory of 4720	4192	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.exe	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp
PID 4192 wrote to memory of 4720	4192	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.exe	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp
PID 4192 wrote to memory of 4720	4192	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.exe	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp
PID 4720 wrote to memory of 1724	4720	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp	m4atomp3converter.exe
PID 4720 wrote to memory of 1724	4720	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp	m4atomp3converter.exe
PID 4720 wrote to memory of 1724	4720	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp	m4atomp3converter.exe
PID 4720 wrote to memory of 4644	4720	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp	m4atomp3converter.exe
PID 4720 wrote to memory of 4644	4720	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp	m4atomp3converter.exe
PID 4720 wrote to memory of 4644	4720	5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp	m4atomp3converter.exe

C:\Users\Admin\AppData\Local\Temp\5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.exe
"C:\Users\Admin\AppData\Local\Temp\5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4192

C:\Users\Admin\AppData\Local\Temp\is-9J8EK.tmp\5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp
"C:\Users\Admin\AppData\Local\Temp\is-9J8EK.tmp\5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp" /SL5="$D0064,4794393,54272,C:\Users\Admin\AppData\Local\Temp\5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4720

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i
3⤵
- Executes dropped EXE
PID:1724

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s
3⤵
- Executes dropped EXE
PID:4644

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
Filesize
2.9MB

MD5
0b0143221c07d996100ec5e3e8d6fe73

SHA1
3e45cdfff0936abe7e83ac88b9bc9b6aaf4d6693

SHA256
863bffc0cb548a20f367908a6ef45ac9addcccff79871b91105543134d04259e

SHA512
58a1b376576dd5a6af20dfcfbcece6da20dc5a16c52e6f657da2d3b854abdb27a2346e63f0cb50e41e41c6b32e19d8678ab3662a7dda0ac6e76ad0dca555cf71

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6C8TS.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9J8EK.tmp\5d76f3a81068e93f5b6fa975812b35e3521a3a9046a58535a89982e506b443c1.tmp
Filesize
680KB

MD5
984e6b8a7e6fa5cbf5a45904b1defc00

SHA1
37ce92d6cf1a117a191d14cc7fa1a6a97c05c967

SHA256
3313fd9ad369bdee368d356036858a7fcc6182175a30a92a6b73e41e1b2a5eb7

SHA512
55af997bfcc532ff01e593471197555432481587c263eb3777e511c656e030edd6c34edce0778b07e117dae4b9ed18976d2ec5c2fe127511a5f29928223ab7c8

Download Submit
memory/1724-59-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1724-60-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1724-63-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4192-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4192-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4192-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4644-74-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-94-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-118-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-70-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-73-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-115-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-77-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-80-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-83-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-86-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/4644-88-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-67-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-97-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-100-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-103-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-106-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-109-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4644-110-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/4644-111-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/4720-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4720-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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