socks5systemz | 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333

General

Target

04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe
Size

3.7MB
MD5

f375e082326990558480fb34cfe991ed
SHA1

17de935d0af3d942947cc32dc2218a3fa6402398
SHA256

04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333
SHA512

31e1a7f5ef4a34986deee02e0f026dbb48f772db27d9244e219d16bc727096c9f3faa3899f8a23e19df53aae48b731a3f194ba33e11f14a42eb7497eaa1249ee
SSDEEP

98304:u1hEIb6OvnTw1Chl/aShN5qt+4IDQyLzqLcwfFPCc5H3lcToNN:GlmOvnTwkl7b5qs44Ti7fFPCc93lmA

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bnpunnm.com/search/?q=67e28dd8690cfb204406a51a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a638eff14c8e792

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2556-95-0x0000000002700000-0x00000000027A2000-memory.dmp	family_socks5systemz
behavioral1/memory/2556-97-0x0000000002700000-0x00000000027A2000-memory.dmp	family_socks5systemz
behavioral1/memory/2556-107-0x0000000002700000-0x00000000027A2000-memory.dmp	family_socks5systemz

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

Processes:

04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmpmusicbee32.exemusicbee32.exe

pid process

1664 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
2604 musicbee32.exe
2556 musicbee32.exe

pid	process
1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
2604	musicbee32.exe
2556	musicbee32.exe

Loads dropped DLL 5 IoCs

Processes:

04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp

pid	process
1104	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe
1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.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

description	ioc
Destination IP	141.98.234.31

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp

description	pid	process	target process
PID 1104 wrote to memory of 1664	1104	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
PID 1104 wrote to memory of 1664	1104	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
PID 1104 wrote to memory of 1664	1104	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
PID 1104 wrote to memory of 1664	1104	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
PID 1104 wrote to memory of 1664	1104	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
PID 1104 wrote to memory of 1664	1104	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
PID 1104 wrote to memory of 1664	1104	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
PID 1664 wrote to memory of 2604	1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 1664 wrote to memory of 2604	1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 1664 wrote to memory of 2604	1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 1664 wrote to memory of 2604	1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 1664 wrote to memory of 2556	1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 1664 wrote to memory of 2556	1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 1664 wrote to memory of 2556	1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 1664 wrote to memory of 2556	1664	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe

C:\Users\Admin\AppData\Local\Temp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe
"C:\Users\Admin\AppData\Local\Temp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1104

C:\Users\Admin\AppData\Local\Temp\is-S61QI.tmp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
"C:\Users\Admin\AppData\Local\Temp\is-S61QI.tmp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp" /SL5="$40150,3670827,53248,C:\Users\Admin\AppData\Local\Temp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1664

C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe
"C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe" -i
3⤵
- Executes dropped EXE
PID:2604

C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe
"C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe" -s
3⤵
- Executes dropped EXE
PID:2556

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\MusicBee\musicbee32.exe
Filesize
2.2MB

MD5
1416dc6ef2e4a5ba6d1b719892555f34

SHA1
9fbb30c52f33b2bdea56c92d5278f12bdcf02f5f

SHA256
5e22b37a669c988532dd1728646c890cd93b2b6ef07771eedb6b07e346fd71b0

SHA512
92c7969c550684650b9b373b35105705ac08d8e8f5fb48c045a597ac623654d8dd3ff4d0dd942f3bbccd637d71437adeb1c6417fa8274b9978737f4dfa1fbc1d

Download Submit
\Users\Admin\AppData\Local\Temp\is-AGDU5.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-AGDU5.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-S61QI.tmp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
Filesize
669KB

MD5
8ea68e4190207a773b7aaa60a74c952c

SHA1
6897d342e21110c9d155f2eb40b59b76d069c093

SHA256
20558b900bb7d2bb792c23550e7a5e7595308d2948352ddec54ca0ca806c6e53

SHA512
8909ff57b616b4439c7ae8da54aa15dfbfde97978083ff1c1fc729daa02ca8ad02e200bc65bb509e31deba8cd7094c9d62e9ac442cc836a54e9b2be4be7d697f

Download Submit
memory/1104-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1104-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1664-16-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1664-63-0x0000000003A40000-0x0000000003C77000-memory.dmp

Filesize
2.2MB

Download
memory/1664-79-0x0000000003A40000-0x0000000003C77000-memory.dmp

Filesize
2.2MB

Download
memory/1664-78-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1664-76-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2556-113-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-103-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-72-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-143-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-77-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-138-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-135-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-82-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-83-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-86-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-89-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-92-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-95-0x0000000002700000-0x00000000027A2000-memory.dmp

Filesize
648KB

Download
memory/2556-96-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-97-0x0000000002700000-0x00000000027A2000-memory.dmp

Filesize
648KB

Download
memory/2556-74-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-106-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-107-0x0000000002700000-0x00000000027A2000-memory.dmp

Filesize
648KB

Download
memory/2556-110-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-132-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-116-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-119-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-123-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-126-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2556-129-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2604-65-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2604-66-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2604-67-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2604-70-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads