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

bwlekdd.com

gxhspuq.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2948-94-0x0000000002240000-0x00000000022E2000-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

2980 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
2492 svomediaplayer32.exe
2948 svomediaplayer32.exe

pid	process
2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
2492	svomediaplayer32.exe
2948	svomediaplayer32.exe

Loads dropped DLL 6 IoCs

Processes:

737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp

pid	process
2284	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe
2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp

Unexpected DNS network traffic destination 13 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description	ioc
Destination IP	141.98.234.31
Destination IP	152.89.198.214
Destination IP	141.98.234.31
Destination IP	141.98.234.31
Destination IP	141.98.234.31
Destination IP	81.31.197.38
Destination IP	91.211.247.248
Destination IP	81.31.197.38
Destination IP	45.155.250.90
Destination IP	152.89.198.214
Destination IP	45.155.250.90
Destination IP	91.211.247.248
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

2980 737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp

pid	process
2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp

description	pid	process	target process
PID 2284 wrote to memory of 2980	2284	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
PID 2284 wrote to memory of 2980	2284	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
PID 2284 wrote to memory of 2980	2284	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
PID 2284 wrote to memory of 2980	2284	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
PID 2284 wrote to memory of 2980	2284	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
PID 2284 wrote to memory of 2980	2284	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
PID 2284 wrote to memory of 2980	2284	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
PID 2980 wrote to memory of 2492	2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 2980 wrote to memory of 2492	2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 2980 wrote to memory of 2492	2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 2980 wrote to memory of 2492	2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 2980 wrote to memory of 2948	2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 2980 wrote to memory of 2948	2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 2980 wrote to memory of 2948	2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe
PID 2980 wrote to memory of 2948	2980	737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe
"C:\Users\Admin\AppData\Local\Temp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2284

C:\Users\Admin\AppData\Local\Temp\is-49MJ0.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp
"C:\Users\Admin\AppData\Local\Temp\is-49MJ0.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp" /SL5="$40016,5636241,54272,C:\Users\Admin\AppData\Local\Temp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2980

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:2492

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:2948

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

Filesize
3.3MB

MD5
78cf60acba62a291521368797e9fc3dd

SHA1
9f37a3c6efc04bf546483919d19db3abd4ea5988

SHA256
d589f2c67469c167c0abd9c6ac91949de6c732cc0c067331515add6f4dd8db25

SHA512
7375f0c9dd71257bb92ae9a4721c1d20016bc3cba02ab07fc5ea3c9c1295edc65dfcb998e89fb09ce9db37ee6f47d4fc8e2c69ea0db652bfb8c19b29ea1f0caa

Download Submit
\Users\Admin\AppData\Local\Temp\is-0LUA3.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-0LUA3.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-0LUA3.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-49MJ0.tmp\737f3f6b93baba9c729e7288d55d67d609ec3a3668ac30066719c705d8fd85bc.tmp

Filesize
680KB

MD5
4468da54a8b07613269ca5537be5e235

SHA1
9aded70f0853385c5561fa275a77508edae15111

SHA256
0177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153

SHA512
3b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313

Download Submit
memory/2284-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2284-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2284-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2492-72-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2492-68-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2492-69-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-106-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-100-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-136-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-77-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-133-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-81-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-84-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-87-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-90-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-93-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-94-0x0000000002240000-0x00000000022E2000-memory.dmp

Filesize
648KB

Download
memory/2948-130-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-103-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-127-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-109-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-112-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-115-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-118-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-121-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2948-124-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2980-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2980-66-0x0000000003A40000-0x0000000003D87000-memory.dmp

Filesize
3.3MB

Download
memory/2980-80-0x0000000003A40000-0x0000000003D87000-memory.dmp

Filesize
3.3MB

Download
memory/2980-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads