socks5systemz | 3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01

General

Target

3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe
Size

5.0MB
MD5

78d6c42739d752846e5a70abf7a68912
SHA1

62a774d4b384841490d432266ca793bf4f17ecc0
SHA256

3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01
SHA512

82e7f40132a9a9154a9aa5f01e2e491adafb5c63181d16f0bbf2159a65fe3f0d2a5cfb7f72431629ef74d8910e8107cc365c384f64c3c8d74dd6fa07651f6910
SSDEEP

98304:myS0WzJL3PpnzhLR/MrTa1jiGekCl7nsfY3mXtunXUkO7BuwoEbN43ZglkfbXsk:XSBFbLR/WeRekClbsfYg8t50bW4kT8k

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dtwuzfn.info

http://dtwuzfn.info/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec96923c

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3764-83-0x00000000008E0000-0x0000000000982000-memory.dmp	family_socks5systemz

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

Processes:

3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmpaudialstunebite32_64.exeaudialstunebite32_64.exe

pid process

2280 3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp
4632 audialstunebite32_64.exe
3764 audialstunebite32_64.exe
Loads dropped DLL 1 IoCs

Processes:

3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp

pid process

2280 3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.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 45.155.250.90
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:

3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp

pid process

2280 3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp

pid	process
2280	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp
4632	audialstunebite32_64.exe
3764	audialstunebite32_64.exe

pid	process
2280	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
2280	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp

description	pid	process	target process
PID 3120 wrote to memory of 2280	3120	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp
PID 3120 wrote to memory of 2280	3120	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp
PID 3120 wrote to memory of 2280	3120	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp
PID 2280 wrote to memory of 4632	2280	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp	audialstunebite32_64.exe
PID 2280 wrote to memory of 4632	2280	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp	audialstunebite32_64.exe
PID 2280 wrote to memory of 4632	2280	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp	audialstunebite32_64.exe
PID 2280 wrote to memory of 3764	2280	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp	audialstunebite32_64.exe
PID 2280 wrote to memory of 3764	2280	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp	audialstunebite32_64.exe
PID 2280 wrote to memory of 3764	2280	3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp	audialstunebite32_64.exe

C:\Users\Admin\AppData\Local\Temp\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe
"C:\Users\Admin\AppData\Local\Temp\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3120

C:\Users\Admin\AppData\Local\Temp\is-J9ICH.tmp\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp
"C:\Users\Admin\AppData\Local\Temp\is-J9ICH.tmp\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp" /SL5="$80230,5043994,54272,C:\Users\Admin\AppData\Local\Temp\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2280

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:4632

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:3764

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\Audials Tunebite\audialstunebite32_64.exe
Filesize
2.6MB

MD5
f9563f83a1788772b8097bc07747b195

SHA1
7827dd8345f1005b74b2bd345f26476e7ea2db63

SHA256
6234a268f1070c891161739be95099caedc0712eca7515a68953c7271480800e

SHA512
91d0a4cdf4cb1d74b253238efbb6b3746fed4c113801f2ce7e15a9d736c98218c4b9f7459269bd91967e521a22968e5c6257952723195d1f569cdda234afae2d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-J9ICH.tmp\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp
Filesize
680KB

MD5
9c0c87dbb79871a4914149cd5acefbf8

SHA1
35627d4c709114e03240747deb05d154743ccb59

SHA256
0b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf

SHA512
6608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd

Download Submit
\Users\Admin\AppData\Local\Temp\is-E6IJA.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2280-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2280-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3120-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3120-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3120-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3764-99-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-93-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-129-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-68-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-71-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-74-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-77-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-80-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-83-0x00000000008E0000-0x0000000000982000-memory.dmp

Filesize
648KB

Download
memory/3764-85-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-90-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-124-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-96-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-121-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-102-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-105-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-109-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-112-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-115-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/3764-118-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/4632-59-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/4632-63-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/4632-61-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download

Analysis

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