socks5systemz | 9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c

General

Target

9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe
Size

4.8MB
MD5

17bac1320cf993ff775332ea366fd78e
SHA1

03f0cfdd3abc7d6c1372c27021d064e019cdd519
SHA256

9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c
SHA512

181facc11145d2301a72e590dacad76431b2b4a301cb302edb731bc50c4f5cac7635c040f4099d8994d949746b7b91df087fe34ac15753601f092797a1807aa9
SSDEEP

98304:mQCQ6PrWwe1FDsEvXhtl3E3i1j8T/iqpBzXXIKzA9QHaitXVbE4k:4PSw2FJXgCj8T/JpBztA9QH5tFbrk

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bpwdvot.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2544-94-0x0000000002370000-0x0000000002412000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Detects executables packed with VMProtect. 16 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2404-66-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2404-69-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-76-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-79-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-84-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-87-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-90-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-93-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-100-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-103-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-106-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-109-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-112-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-115-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-118-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2544-121-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

Processes:

9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmpaudioconverter32.exeaudioconverter32.exe

pid process

3020 9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
2404 audioconverter32.exe
2544 audioconverter32.exe

pid	process
3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
2404	audioconverter32.exe
2544	audioconverter32.exe

Loads dropped DLL 6 IoCs

Processes:

9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp

pid	process
3012	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe
3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp

Unexpected DNS network traffic destination 3 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
Destination IP 152.89.198.214
Destination IP 91.211.247.248
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:

9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp

pid process

3020 9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp

description	ioc
Destination IP	45.155.250.90
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp

description	pid	process	target process
PID 3012 wrote to memory of 3020	3012	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
PID 3012 wrote to memory of 3020	3012	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
PID 3012 wrote to memory of 3020	3012	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
PID 3012 wrote to memory of 3020	3012	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
PID 3012 wrote to memory of 3020	3012	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
PID 3012 wrote to memory of 3020	3012	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
PID 3012 wrote to memory of 3020	3012	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
PID 3020 wrote to memory of 2404	3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp	audioconverter32.exe
PID 3020 wrote to memory of 2404	3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp	audioconverter32.exe
PID 3020 wrote to memory of 2404	3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp	audioconverter32.exe
PID 3020 wrote to memory of 2404	3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp	audioconverter32.exe
PID 3020 wrote to memory of 2544	3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp	audioconverter32.exe
PID 3020 wrote to memory of 2544	3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp	audioconverter32.exe
PID 3020 wrote to memory of 2544	3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp	audioconverter32.exe
PID 3020 wrote to memory of 2544	3020	9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp	audioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe
"C:\Users\Admin\AppData\Local\Temp\9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3012

C:\Users\Admin\AppData\Local\Temp\is-CGL24.tmp\9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
"C:\Users\Admin\AppData\Local\Temp\is-CGL24.tmp\9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp" /SL5="$400EE,4783782,54272,C:\Users\Admin\AppData\Local\Temp\9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3020

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -i
3⤵
- Executes dropped EXE
PID:2404

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -s
3⤵
- Executes dropped EXE
PID:2544

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

\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
Filesize
2.9MB

MD5
bb4ad2ecf1a3da08fd86288e66506e52

SHA1
1dc4a76eb5e37c31804c8f62d71fd1a31c9944c8

SHA256
7d69a75de52bbc786cb0d9473ef1ea20818a45c5c35bfba2f6b829cfdd9fb01e

SHA512
295ceba397b50b6dad7acbc2c72334161806bba5a101e04d90e1e44488a854096d2c78dfd638e84721e7a90462fe35891110724b5216dc9e8ed6fc067c32e209

Download Submit
\Users\Admin\AppData\Local\Temp\is-CGL24.tmp\9b99ac3f10b1396bf4f7c8e8f76d045b744c4dac1bc87c1ad3e740dfc26b047c.tmp
Filesize
680KB

MD5
f2ea57162349fbb5a88b276f91880c7d

SHA1
31d0ef8f01ec1dbca631b2aee891ec46c0a2c663

SHA256
756ee2c303f097f361c1f6f16f118612acd5ceb277fd7642695b36fedf0dba68

SHA512
3dd06f405e036ade9fd52ac7ae189e8c1bafc48dc09f6f346f5b1ddb32ec43ecf527bd96d2c446d320cd22ea63d5eae430cab92533847d83a0af015224a13799

Download Submit
\Users\Admin\AppData\Local\Temp\is-L2O49.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-L2O49.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2404-65-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2404-69-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2404-66-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-93-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-100-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-121-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-118-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-72-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-115-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-112-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-76-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-79-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-109-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-106-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-84-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-87-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-90-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-103-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2544-94-0x0000000002370000-0x0000000002412000-memory.dmp

Filesize
648KB

Download
memory/3012-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3012-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3012-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3020-64-0x00000000058E0000-0x0000000005BC9000-memory.dmp

Filesize
2.9MB

Download
memory/3020-81-0x00000000058E0000-0x0000000005BC9000-memory.dmp

Filesize
2.9MB

Download
memory/3020-80-0x00000000058E0000-0x0000000005BC9000-memory.dmp

Filesize
2.9MB

Download
memory/3020-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3020-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads