socks5systemz | 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc

General

Target

737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe
Size

5.6MB
MD5

3680843b1da7273e5a45aa4be317e13f
SHA1

0f1609b1a2bdf5fd9023b61228bd6e8cab1af5d8
SHA256

737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc
SHA512

f22cd60e5164d8ee994cd3196c272262c9c88f138e38668dd7f63369254d53c6564a702ff8ebc4997256608ebdf9be8314264653538276636537f38618fd8486
SSDEEP

98304:mZHXKsVUZzKdcMgroILMWZLL8XFIYhC+m/1ic+fnQXI/0rc2VaAMq7xhgDWA8u:MadDMgrlLbn+FIYhCh/0Flr2bz3kHr

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ebmutjh.ua

http://ebmutjh.ua/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ef9d9d3f

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/500-89-0x0000000002600000-0x00000000026A2000-memory.dmp	family_socks5systemz

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

Processes:

737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmpsvomediaplayer32.exesvomediaplayer32.exe

pid process

1612 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
5116 svomediaplayer32.exe
500 svomediaplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp

pid	process
1612	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
1612	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
1612	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.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:

737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp

pid process

1612 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp

description	ioc
Destination IP	152.89.198.214

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp

description	pid	process	target process
PID 3368 wrote to memory of 1612	3368	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
PID 3368 wrote to memory of 1612	3368	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
PID 3368 wrote to memory of 1612	3368	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
PID 1612 wrote to memory of 5116	1612	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 1612 wrote to memory of 5116	1612	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 1612 wrote to memory of 5116	1612	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 1612 wrote to memory of 500	1612	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 1612 wrote to memory of 500	1612	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 1612 wrote to memory of 500	1612	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe
"C:\Users\Admin\AppData\Local\Temp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3368

C:\Users\Admin\AppData\Local\Temp\is-0CJ8D.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
"C:\Users\Admin\AppData\Local\Temp\is-0CJ8D.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp" /SL5="$70160,5636241,54272,C:\Users\Admin\AppData\Local\Temp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1612

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:5116

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:500

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
3.3MB

MD5
78cf60acba62a291521368797e9fc3dd

SHA1
9f37a3c6efc04bf546483919d19db3abd4ea5988

SHA256
d589f2c67469c167c0abd9c6ac91949de6c732cc0c067331515add6f4dd8db25

SHA512
7375f0c9dd71257bb92ae9a4721c1d20016bc3cba02ab07fc5ea3c9c1295edc65dfcb998e89fb09ce9db37ee6f47d4fc8e2c69ea0db652bfb8c19b29ea1f0caa

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-0CJ8D.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
Filesize
680KB

MD5
4468da54a8b07613269ca5537be5e235

SHA1
9aded70f0853385c5561fa275a77508edae15111

SHA256
0177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153

SHA512
3b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-DVBJQ.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/500-110-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-117-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-137-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-132-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-129-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-126-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-73-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-123-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-120-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-76-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-79-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-82-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-85-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-88-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-89-0x0000000002600000-0x00000000026A2000-memory.dmp

Filesize
648KB

Download
memory/500-93-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-98-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-101-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-104-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-107-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/500-113-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1612-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1612-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3368-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3368-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3368-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5116-66-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/5116-70-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/5116-65-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download

pid	process
1612	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
5116	svomediaplayer32.exe
500	svomediaplayer32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads