socks5systemz | 2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35

General

Target

2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe
Size

5.1MB
MD5

92b276173a6e4f5f4cecf4e5ac903cbf
SHA1

1f1d01eb598a71df5b52592ebff03c9e9f8d58df
SHA256

2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35
SHA512

d80af22ac0bff170f5dc2bf501fc9b8c6624c22724a32401a33520267b84f420fa9132ac58bfafb0a747936089be22b7117ad774f88ba6ada786f18bed11b11d
SSDEEP

98304:mDltVRUH7k7O/a4MIctI0d9esFXQ5/dqmELbvH3J9oCQv5imf7GzIbWbbXsk:WTVRG8nIctjd9esFy//qbR9oj5imj2II

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

errxpov.ua

http://errxpov.ua/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd12c1ed96

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2460-93-0x0000000002640000-0x00000000026E2000-memory.dmp	family_socks5systemz

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

Processes:

2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmpaudialstunebite32_64.exeaudialstunebite32_64.exe

pid process

620 2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
2528 audialstunebite32_64.exe
2460 audialstunebite32_64.exe

pid	process
620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
2528	audialstunebite32_64.exe
2460	audialstunebite32_64.exe

Loads dropped DLL 6 IoCs

Processes:

2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp

pid	process
2196	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe
620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.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 141.98.234.31
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:

2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp

pid process

620 2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp

description	pid	process	target process
PID 2196 wrote to memory of 620	2196	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
PID 2196 wrote to memory of 620	2196	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
PID 2196 wrote to memory of 620	2196	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
PID 2196 wrote to memory of 620	2196	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
PID 2196 wrote to memory of 620	2196	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
PID 2196 wrote to memory of 620	2196	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
PID 2196 wrote to memory of 620	2196	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
PID 620 wrote to memory of 2528	620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp	audialstunebite32_64.exe
PID 620 wrote to memory of 2528	620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp	audialstunebite32_64.exe
PID 620 wrote to memory of 2528	620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp	audialstunebite32_64.exe
PID 620 wrote to memory of 2528	620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp	audialstunebite32_64.exe
PID 620 wrote to memory of 2460	620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp	audialstunebite32_64.exe
PID 620 wrote to memory of 2460	620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp	audialstunebite32_64.exe
PID 620 wrote to memory of 2460	620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp	audialstunebite32_64.exe
PID 620 wrote to memory of 2460	620	2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp	audialstunebite32_64.exe

C:\Users\Admin\AppData\Local\Temp\2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe
"C:\Users\Admin\AppData\Local\Temp\2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2196

C:\Users\Admin\AppData\Local\Temp\is-MLK57.tmp\2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
"C:\Users\Admin\AppData\Local\Temp\is-MLK57.tmp\2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp" /SL5="$400EE,5071716,54272,C:\Users\Admin\AppData\Local\Temp\2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:620

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -i
3⤵
- Executes dropped EXE
PID:2528

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -s
3⤵
- Executes dropped EXE
PID:2460

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\Audials Tunebite\audialstunebite32_64.exe
Filesize
2.6MB

MD5
7d9e3cfd34a533c0a329562c27eee04e

SHA1
50e6e4dd46731561e98b41d83ed400d9a878fae2

SHA256
78fe1d592c495659b42943e5910c92164bd66ae98074f6945f43b85cc4f93a18

SHA512
b5b188b0f05985267a7b95dfb0563406d5a4d0d4ba6c9dce51e52255f4e858fcefef4548296dca0dd035cdba0d9a84444ad89cbf5f46cf10afa728085a10122f

Download Submit
\Users\Admin\AppData\Local\Temp\is-548GR.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-548GR.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-MLK57.tmp\2554627f2c6360b07c24c46ee5e549858607bed1d45a7a5f1dbc250d8c8eef35.tmp
Filesize
680KB

MD5
9c0c87dbb79871a4914149cd5acefbf8

SHA1
35627d4c709114e03240747deb05d154743ccb59

SHA256
0b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf

SHA512
6608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd

Download Submit
memory/620-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/620-63-0x00000000033E0000-0x0000000003678000-memory.dmp

Filesize
2.6MB

Download
memory/620-79-0x00000000033E0000-0x0000000003678000-memory.dmp

Filesize
2.6MB

Download
memory/620-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2196-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2196-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2196-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2460-105-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-99-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-138-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-76-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-133-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-80-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-83-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-86-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-89-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-92-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-93-0x0000000002640000-0x00000000026E2000-memory.dmp

Filesize
648KB

Download
memory/2460-72-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-102-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-130-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-108-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-111-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-114-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-118-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-121-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-124-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2460-127-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2528-65-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2528-67-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download
memory/2528-69-0x0000000000400000-0x0000000000698000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads