socks5systemz | 8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611

General

Target

8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe
Size

5.8MB
MD5

f9ca43638b7c0d1e5359590128015e11
SHA1

c18dbc8360b910f99f00cb195df0ee191444f556
SHA256

8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611
SHA512

2683c82b2abeac72e53db0a819139180946a3ef5ea3399632c81b58119597aed52c17f638c1002e13db87d1461c3628ee18b11154b3673be880dece3ec6e9c3a
SSDEEP

98304:mVjz/JKvhE0CQkyKKEcDBZsbXe/hc1MQ7c2l1XqaHHuoHJNUboRUp:6jDk6QHKKEmYbX1MQp1XqaHHuEJNUbp

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bosjdbd.com

http://bosjdbd.com/search/?q=67e28dd83954f07a4008f8497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff715c7e89c9e32

http://bosjdbd.com/search/?q=67e28dd83954f07a4008f8497c27d78406abdd88be4b12eab517aa5c96bd86e895834c845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9e3cca66921f

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3756-91-0x0000000000960000-0x0000000000A02000-memory.dmp	family_socks5systemz
behavioral1/memory/3756-115-0x0000000000960000-0x0000000000A02000-memory.dmp	family_socks5systemz
behavioral1/memory/3756-114-0x0000000000960000-0x0000000000A02000-memory.dmp	family_socks5systemz

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

Processes:

8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmpsvomediaplayer32.exesvomediaplayer32.exe

pid process

3984 8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp
3176 svomediaplayer32.exe
3756 svomediaplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp

pid	process
3984	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp
3984	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp
3984	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.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:

8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp

pid process

3984 8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp

description	ioc
Destination IP	152.89.198.214

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp

description	pid	process	target process
PID 4580 wrote to memory of 3984	4580	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp
PID 4580 wrote to memory of 3984	4580	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp
PID 4580 wrote to memory of 3984	4580	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp
PID 3984 wrote to memory of 3176	3984	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp	svomediaplayer32.exe
PID 3984 wrote to memory of 3176	3984	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp	svomediaplayer32.exe
PID 3984 wrote to memory of 3176	3984	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp	svomediaplayer32.exe
PID 3984 wrote to memory of 3756	3984	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp	svomediaplayer32.exe
PID 3984 wrote to memory of 3756	3984	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp	svomediaplayer32.exe
PID 3984 wrote to memory of 3756	3984	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe
"C:\Users\Admin\AppData\Local\Temp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4580

C:\Users\Admin\AppData\Local\Temp\is-SUGCB.tmp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SUGCB.tmp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp" /SL5="$8011A,5811511,54272,C:\Users\Admin\AppData\Local\Temp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3984

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i
3⤵
- Executes dropped EXE
PID:3176

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s
3⤵
- Executes dropped EXE
PID:3756

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

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Downloads

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
Filesize
3.5MB

MD5
88b704e29b6e626fab4a5258b468c1ee

SHA1
fbc8c803b72e192bab051d013599c54f4bb35a82

SHA256
d72ebcc12f3cc066892950c78393fdd4d45ec5a1d041165094bbadc77386fbe3

SHA512
59afef264927e7292825a3881dd239d108e4b480c67830680cd4fe8e92c324f211eeab74dde2985a58455963cd28ee659c41ae2188f8ae8cb9b2ca3834a5370f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8PGNB.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8PGNB.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SUGCB.tmp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp
Filesize
680KB

MD5
4468da54a8b07613269ca5537be5e235

SHA1
9aded70f0853385c5561fa275a77508edae15111

SHA256
0177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153

SHA512
3b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313

Download Submit
memory/3176-65-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3176-69-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3176-66-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-79-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-91-0x0000000000960000-0x0000000000A02000-memory.dmp

Filesize
648KB

Download
memory/3756-122-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-73-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-119-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-114-0x0000000000960000-0x0000000000A02000-memory.dmp

Filesize
648KB

Download
memory/3756-76-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-115-0x0000000000960000-0x0000000000A02000-memory.dmp

Filesize
648KB

Download
memory/3756-82-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-85-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-88-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-113-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-93-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-98-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-101-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-104-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-107-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3756-110-0x0000000000400000-0x0000000000778000-memory.dmp

Filesize
3.5MB

Download
memory/3984-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3984-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4580-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4580-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4580-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

pid	process
3984	8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp
3176	svomediaplayer32.exe
3756	svomediaplayer32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads