socks5systemz | f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a

General

Target

f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe
Size

4.0MB
MD5

3b5e5e15b99a49c9259e7bbd6d64f608
SHA1

2d83d60e66af0b76ecb7087d043a84bb5b783dc1
SHA256

f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a
SHA512

cd243e4e755729e7b8a2ea30ecf3c9c049ed86550210cdc0595b8cf6e0eee631a1a8d2f9b73c4de8ab1f52b4b66cd33eac27dc49effbbf87dc9f3f56f6e72710
SSDEEP

98304:CMZLyZfXNbL+NCRBjdYkU+RsadLypI97NWO:3Zmh84RBjKFAxy0wO

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bhnuqez.com

http://bhnuqez.com/search/?q=67e28dd83a5ca421460bad497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf610c8e692

http://bhnuqez.com/search/?q=67e28dd83a5ca421460bad497c27d78406abdd88be4b12eab517aa5c96bd86ef97834c875a8bbc896c58e713bc90c91936b5281fc235a925ed3e00d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff815c2ed9c9b33c468

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2632-74-0x0000000002E20000-0x0000000002EC2000-memory.dmp	family_socks5systemz
behavioral1/memory/2632-96-0x0000000002E20000-0x0000000002EC2000-memory.dmp	family_socks5systemz
behavioral1/memory/2632-97-0x0000000002E20000-0x0000000002EC2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp
2728	publicmusicstation.exe
2632	publicmusicstation.exe

Loads dropped DLL 5 IoCs

pid	Process
2252	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe
2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp
2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp
2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp
2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp

Unexpected DNS network traffic destination 1 IoCs

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

description	flow	ioc	pid	Process
Destination IP	2	141.98.234.31	2632	publicmusicstation.exe

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

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	publicmusicstation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	publicmusicstation.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2772	2252	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe	30
PID 2252 wrote to memory of 2772	2252	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe	30
PID 2252 wrote to memory of 2772	2252	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe	30
PID 2252 wrote to memory of 2772	2252	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe	30
PID 2252 wrote to memory of 2772	2252	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe	30
PID 2252 wrote to memory of 2772	2252	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe	30
PID 2252 wrote to memory of 2772	2252	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe	30
PID 2772 wrote to memory of 2728	2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp	31
PID 2772 wrote to memory of 2728	2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp	31
PID 2772 wrote to memory of 2728	2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp	31
PID 2772 wrote to memory of 2728	2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp	31
PID 2772 wrote to memory of 2632	2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp	32
PID 2772 wrote to memory of 2632	2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp	32
PID 2772 wrote to memory of 2632	2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp	32
PID 2772 wrote to memory of 2632	2772	f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp	32

C:\Users\Admin\AppData\Local\Temp\f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe
"C:\Users\Admin\AppData\Local\Temp\f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\is-I92H6.tmp\f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-I92H6.tmp\f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp" /SL5="$30158,3830265,54272,C:\Users\Admin\AppData\Local\Temp\f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Users\Admin\AppData\Local\Public Music Station\publicmusicstation.exe
    "C:\Users\Admin\AppData\Local\Public Music Station\publicmusicstation.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2728
- - C:\Users\Admin\AppData\Local\Public Music Station\publicmusicstation.exe
    "C:\Users\Admin\AppData\Local\Public Music Station\publicmusicstation.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:2632

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Public Music Station\publicmusicstation.exe

Filesize
5.1MB

MD5
8ebaf0731db1abf7e2c7fc439ff6dccc

SHA1
c6731b185bfcda67855989e742e4f810868aa43d

SHA256
8cef411e9e58c519aa8b941daa1cdb14653798fea285fc7f466c571e30867077

SHA512
24274921de5a193c63e785294079e5b0a1a5a6f1f259e9791c95fac5bfc4b03732f5fabd6976ec7467042cfa915461a34244c011b90636e24140acf5ff285251

Download Submit
\Users\Admin\AppData\Local\Temp\is-I92H6.tmp\f4969695d2254e3942c65ea612d8081c9e03721c7df77c42dc83994119581e8a.tmp

Filesize
680KB

MD5
e00c240f47f8a56e6bcd2760d9a313d7

SHA1
adbf31a5b13553423d8edeaf74d630d457073109

SHA256
2232cf1b6bdd8ffc46a2ecb01ce920da2752e0d389f7b7563d2d004aff0bcb86

SHA512
732a5735e4143ddba68c469a0643129d3aa00af4282970fdd4adebd4288a8ed2aac3d9555c7956fa1e66ee43e21b32f4016b963f32cb16b9840c77394a15ec7e

Download Submit
\Users\Admin\AppData\Local\Temp\is-TNA42.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-TNA42.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2252-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2252-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2252-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2632-92-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-74-0x0000000002E20000-0x0000000002EC2000-memory.dmp

Filesize
648KB

Download
memory/2632-116-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-113-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-51-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-110-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-107-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-104-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-57-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-58-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-61-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-64-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-67-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-70-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-73-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-101-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-80-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-83-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-86-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-89-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-97-0x0000000002E20000-0x0000000002EC2000-memory.dmp

Filesize
648KB

Download
memory/2632-95-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2632-96-0x0000000002E20000-0x0000000002EC2000-memory.dmp

Filesize
648KB

Download
memory/2728-45-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2728-49-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2728-46-0x0000000000400000-0x0000000000916000-memory.dmp

Filesize
5.1MB

Download
memory/2772-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2772-44-0x0000000003A90000-0x0000000003FA6000-memory.dmp

Filesize
5.1MB

Download
memory/2772-54-0x0000000003A90000-0x0000000003FA6000-memory.dmp

Filesize
5.1MB

Download
memory/2772-53-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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