socks5systemz | bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d

General

Target

bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.exe
Size

5.6MB
MD5

2dcb104a49188a97c0019dd14ad42cd7
SHA1

3d9189056d8ebecfe03f6f052cdaa440457bad85
SHA256

bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d
SHA512

04875dca31b271928fb6f9f632f755f4c80b65b041a472720aabd83006239d66b399a6c46302ae2ac73465112062066545836b8220d087badc83be8253df0ea6
SSDEEP

98304:meAs7YA9t2hexYzbI8uMo5sykecbcvFukCs9d0VCrc/LNg+MQOb+F8hJdj0/v+:P94iYfI66PVvF2sTA/L9Zc1hJ10H+

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bmvfgyl.com

http://bmvfgyl.com/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2eb9c933d

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1276-89-0x0000000002920000-0x00000000029C2000-memory.dmp	family_socks5systemz

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

Processes:

bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmpsvomediaplayer32.exesvomediaplayer32.exe

pid process

2172 bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp
4240 svomediaplayer32.exe
1276 svomediaplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp

pid	process
2172	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp
2172	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp
2172	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.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 45.155.250.90
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:

bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp

pid process

2172 bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp

description	ioc
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.exebb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp

description	pid	process	target process
PID 4740 wrote to memory of 2172	4740	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.exe	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp
PID 4740 wrote to memory of 2172	4740	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.exe	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp
PID 4740 wrote to memory of 2172	4740	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.exe	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp
PID 2172 wrote to memory of 4240	2172	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp	svomediaplayer32.exe
PID 2172 wrote to memory of 4240	2172	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp	svomediaplayer32.exe
PID 2172 wrote to memory of 4240	2172	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp	svomediaplayer32.exe
PID 2172 wrote to memory of 1276	2172	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp	svomediaplayer32.exe
PID 2172 wrote to memory of 1276	2172	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp	svomediaplayer32.exe
PID 2172 wrote to memory of 1276	2172	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.exe
"C:\Users\Admin\AppData\Local\Temp\bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4740

C:\Users\Admin\AppData\Local\Temp\is-EL2V3.tmp\bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-EL2V3.tmp\bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp" /SL5="$B01C2,5615910,54272,C:\Users\Admin\AppData\Local\Temp\bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2172

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:4240

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:1276

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\SVO Media Player\svomediaplayer32.exe

Filesize
3.3MB

MD5
f971ec2d6d35e44a6c53225ddaeaca61

SHA1
b188e554c5b52c252989d197075a655565b14c44

SHA256
c67ad22f94543a1749f341eaeec3f1fec9b8d71cb8e2e30ae6af56d1d3d5acf8

SHA512
6d74f7f6f97310c45b2a58cc2065a53824a35abec1eb06a48bf1e3672dafc73141d0ca066bd5942c8d0ceb4775e92086750b277e73b0ba42a1e245b77293bc26

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EL2V3.tmp\bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp

Filesize
680KB

MD5
4468da54a8b07613269ca5537be5e235

SHA1
9aded70f0853385c5561fa275a77508edae15111

SHA256
0177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153

SHA512
3b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313

Download Submit
\Users\Admin\AppData\Local\Temp\is-B9R69.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-B9R69.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/1276-110-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-117-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-137-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-132-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-129-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-126-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-73-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-123-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-120-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-76-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-79-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-82-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-85-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-88-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-89-0x0000000002920000-0x00000000029C2000-memory.dmp

Filesize
648KB

Download
memory/1276-93-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-98-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-101-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-104-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-107-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1276-113-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2172-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2172-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4240-70-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4240-66-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4240-65-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4740-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4740-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4740-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

pid	process
2172	bb252f53b5d4add6546fc3fe384ff6cdf7e9f9750aac203c32e698b67c06256d.tmp
4240	svomediaplayer32.exe
1276	svomediaplayer32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads