socks5systemz | 1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c

General

Target

1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe
Size

5.0MB
MD5

3d791f85a6d7369b1cb648d95fcfe960
SHA1

018874787c645279a9aa620d19cf6373d1d1dd8a
SHA256

1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c
SHA512

b48001152fcf3f9232a38c91bb86a1f27f9784c49c4352427e705899eb5dfba28b382a37fc9a2129ed286cecf7b3040e049cb5f3074ad4137a8d1a703df40112
SSDEEP

98304:m9JYD5yCR21dYuSTWP1WVM4gz53po2TbglErRVELno9UXHpGAzHcVT8ZP0bmxS:W2G7YuS69l4gz5e2TbglJLno9WHHcVTp

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bddtddh.com

jomcdmu.info

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2588-94-0x0000000002350000-0x00000000023F2000-memory.dmp	family_socks5systemz

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

Processes:

1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmpaudioconverter32.exeaudioconverter32.exe

pid process

2200 1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
2568 audioconverter32.exe
2588 audioconverter32.exe

pid	process
2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
2568	audioconverter32.exe
2588	audioconverter32.exe

Loads dropped DLL 6 IoCs

Processes:

1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp

pid	process
2964	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe
2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.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	45.155.250.90
Destination IP	81.31.197.38
Destination IP	141.98.234.31
Destination IP	81.31.197.38
Destination IP	91.211.247.248
Destination IP	45.155.250.90
Destination IP	45.155.250.90
Destination IP	152.89.198.214
Destination IP	152.89.198.214
Destination IP	152.89.198.214
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:

1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp

pid process

2200 1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp

pid	process
2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp

description	pid	process	target process
PID 2964 wrote to memory of 2200	2964	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
PID 2964 wrote to memory of 2200	2964	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
PID 2964 wrote to memory of 2200	2964	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
PID 2964 wrote to memory of 2200	2964	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
PID 2964 wrote to memory of 2200	2964	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
PID 2964 wrote to memory of 2200	2964	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
PID 2964 wrote to memory of 2200	2964	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
PID 2200 wrote to memory of 2568	2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp	audioconverter32.exe
PID 2200 wrote to memory of 2568	2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp	audioconverter32.exe
PID 2200 wrote to memory of 2568	2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp	audioconverter32.exe
PID 2200 wrote to memory of 2568	2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp	audioconverter32.exe
PID 2200 wrote to memory of 2588	2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp	audioconverter32.exe
PID 2200 wrote to memory of 2588	2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp	audioconverter32.exe
PID 2200 wrote to memory of 2588	2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp	audioconverter32.exe
PID 2200 wrote to memory of 2588	2200	1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp	audioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe
"C:\Users\Admin\AppData\Local\Temp\1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2964

C:\Users\Admin\AppData\Local\Temp\is-TSSUV.tmp\1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
"C:\Users\Admin\AppData\Local\Temp\is-TSSUV.tmp\1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp" /SL5="$40150,4942030,54272,C:\Users\Admin\AppData\Local\Temp\1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2200

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:2568

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:2588

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

C:\Users\Admin\AppData\Local\Temp\is-TSSUV.tmp\1a95bab1423891687de8ae39725929615963ff75961d236c07532e0b6f09e63c.tmp
Filesize
680KB

MD5
f2ea57162349fbb5a88b276f91880c7d

SHA1
31d0ef8f01ec1dbca631b2aee891ec46c0a2c663

SHA256
756ee2c303f097f361c1f6f16f118612acd5ceb277fd7642695b36fedf0dba68

SHA512
3dd06f405e036ade9fd52ac7ae189e8c1bafc48dc09f6f346f5b1ddb32ec43ecf527bd96d2c446d320cd22ea63d5eae430cab92533847d83a0af015224a13799

Download Submit
\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
Filesize
3.1MB

MD5
5b1e168d282550e659eda6c916f8c3db

SHA1
e2fed15ef5f4f412bf0a99a4c9d20d38054a13d2

SHA256
58a44f3cc56c3abc72ca57ebecfb328842c2d9f22324460178e3dc2e9a7c75d8

SHA512
eb241b2f702aaabd2e46053f3d63115739bcaedb042049a63ce70635ede01aba28b5689e83bb33f52f1fe5afc34ea8d1c611bc0b0bbfbfd50f659df18991df76

Download Submit
\Users\Admin\AppData\Local\Temp\is-A70I2.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-A70I2.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2200-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2200-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2200-81-0x0000000005960000-0x0000000005C73000-memory.dmp

Filesize
3.1MB

Download
memory/2200-64-0x0000000005960000-0x0000000005C73000-memory.dmp

Filesize
3.1MB

Download
memory/2200-80-0x0000000005960000-0x0000000005C73000-memory.dmp

Filesize
3.1MB

Download
memory/2568-65-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2568-66-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2568-69-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-84-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-115-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-76-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-72-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-79-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-136-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-133-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-87-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-90-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-93-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-94-0x0000000002350000-0x00000000023F2000-memory.dmp

Filesize
648KB

Download
memory/2588-100-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-103-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-106-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-109-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-112-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-130-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-118-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-121-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-124-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2588-127-0x0000000000400000-0x0000000000713000-memory.dmp

Filesize
3.1MB

Download
memory/2964-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2964-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads