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://csuxrre.net/search/?q=67e28dd86b55f62e435ba9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffb11c0ea9c9a3b

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3992-89-0x00000000008E0000-0x0000000000982000-memory.dmp	family_socks5systemz
behavioral2/memory/3992-91-0x00000000008E0000-0x0000000000982000-memory.dmp	family_socks5systemz
behavioral2/memory/3992-100-0x00000000008E0000-0x0000000000982000-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

4340 04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
2396 musicbee32.exe
3992 musicbee32.exe
Loads dropped DLL 1 IoCs

Processes:

04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp

pid process

4340 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 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

pid	process
4340	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
2396	musicbee32.exe
3992	musicbee32.exe

pid	process
4340	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp

description	ioc
Destination IP	152.89.198.214

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp

description	pid	process	target process
PID 2176 wrote to memory of 4340	2176	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
PID 2176 wrote to memory of 4340	2176	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
PID 2176 wrote to memory of 4340	2176	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
PID 4340 wrote to memory of 2396	4340	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 4340 wrote to memory of 2396	4340	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 4340 wrote to memory of 2396	4340	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 4340 wrote to memory of 3992	4340	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 4340 wrote to memory of 3992	4340	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe
PID 4340 wrote to memory of 3992	4340	04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp	musicbee32.exe

C:\Users\Admin\AppData\Local\Temp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe
"C:\Users\Admin\AppData\Local\Temp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2176

C:\Users\Admin\AppData\Local\Temp\is-4N1F9.tmp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
"C:\Users\Admin\AppData\Local\Temp\is-4N1F9.tmp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp" /SL5="$A01E4,3670827,53248,C:\Users\Admin\AppData\Local\Temp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4340

C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe
"C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe" -i
3⤵
- Executes dropped EXE
PID:2396

C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe
"C:\Users\Admin\AppData\Local\MusicBee\musicbee32.exe" -s
3⤵
- Executes dropped EXE
PID:3992

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

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

MD5
1416dc6ef2e4a5ba6d1b719892555f34

SHA1
9fbb30c52f33b2bdea56c92d5278f12bdcf02f5f

SHA256
5e22b37a669c988532dd1728646c890cd93b2b6ef07771eedb6b07e346fd71b0

SHA512
92c7969c550684650b9b373b35105705ac08d8e8f5fb48c045a597ac623654d8dd3ff4d0dd942f3bbccd637d71437adeb1c6417fa8274b9978737f4dfa1fbc1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4N1F9.tmp\04152d5b5e972ce7210af82dda7a42be300d0a9472097c343a1f690711e90333.tmp
Filesize
669KB

MD5
8ea68e4190207a773b7aaa60a74c952c

SHA1
6897d342e21110c9d155f2eb40b59b76d069c093

SHA256
20558b900bb7d2bb792c23550e7a5e7595308d2948352ddec54ca0ca806c6e53

SHA512
8909ff57b616b4439c7ae8da54aa15dfbfde97978083ff1c1fc729daa02ca8ad02e200bc65bb509e31deba8cd7094c9d62e9ac442cc836a54e9b2be4be7d697f

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2176-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2176-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2176-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2396-59-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2396-60-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/2396-64-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-82-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-91-0x00000000008E0000-0x0000000000982000-memory.dmp

Filesize
648KB

Download
memory/3992-136-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-66-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-71-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-131-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-75-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-76-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-79-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-128-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-85-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-89-0x00000000008E0000-0x0000000000982000-memory.dmp

Filesize
648KB

Download
memory/3992-88-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-68-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-96-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-99-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-100-0x00000000008E0000-0x0000000000982000-memory.dmp

Filesize
648KB

Download
memory/3992-103-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-106-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-109-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-112-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-116-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-119-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-122-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/3992-125-0x0000000000400000-0x0000000000637000-memory.dmp

Filesize
2.2MB

Download
memory/4340-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/4340-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/4340-70-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download

Analysis

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