socks5systemz | 2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41

General

Target

2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.exe
Size

4.9MB
MD5

3bb2b9b6ec21a234ba79b09f428ec153
SHA1

b4dce8d69b85459ccd60454baf6bea53aee7097c
SHA256

2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41
SHA512

31637dee0ec556d8dcaafd40b722ead327b8948a117900529d0a57e0e3152def09471b92f5d0373ef74af2c8e6da5d966f22787bddc84b7061485e824ac449cb
SSDEEP

98304:mcZoYqDs6F8qEiUcqR4dVhVL36h6d/QBnWJbEbUHAGUw/Dq9sNB0FbXsk:dZoYqDs6lscqR4dVrVd/w2HAC/Dq9sNG

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ebtxkci.ua

http://ebtxkci.ua/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec979d3f

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4136-83-0x0000000000830000-0x00000000008D2000-memory.dmp	family_socks5systemz

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

Processes:

2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmpaudialstunebite32_64.exeaudialstunebite32_64.exe

pid process

524 2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp
3772 audialstunebite32_64.exe
4136 audialstunebite32_64.exe
Loads dropped DLL 1 IoCs

Processes:

2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp

pid process

524 2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.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:

2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp

pid process

524 2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp

pid	process
524	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp
3772	audialstunebite32_64.exe
4136	audialstunebite32_64.exe

pid	process
524	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
524	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.exe2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp

description	pid	process	target process
PID 1448 wrote to memory of 524	1448	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.exe	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp
PID 1448 wrote to memory of 524	1448	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.exe	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp
PID 1448 wrote to memory of 524	1448	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.exe	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp
PID 524 wrote to memory of 3772	524	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp	audialstunebite32_64.exe
PID 524 wrote to memory of 3772	524	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp	audialstunebite32_64.exe
PID 524 wrote to memory of 3772	524	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp	audialstunebite32_64.exe
PID 524 wrote to memory of 4136	524	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp	audialstunebite32_64.exe
PID 524 wrote to memory of 4136	524	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp	audialstunebite32_64.exe
PID 524 wrote to memory of 4136	524	2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp	audialstunebite32_64.exe

C:\Users\Admin\AppData\Local\Temp\2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.exe
"C:\Users\Admin\AppData\Local\Temp\2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Local\Temp\is-4F7KH.tmp\2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp
"C:\Users\Admin\AppData\Local\Temp\is-4F7KH.tmp\2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp" /SL5="$70214,4841791,54272,C:\Users\Admin\AppData\Local\Temp\2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:524

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:3772

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:4136

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
2.4MB

MD5
600d9e7c7309d0ae1a72482cbdaa687f

SHA1
dfa66f2017d2c0bebee8247b4fdd097323d07eac

SHA256
f7f848cf4c63b216f3e674f65b35eafa649aa9389d7d322c51e22e33645f3d7d

SHA512
6dc6b947f9566386e71602ef0ab13842642399e695b9dafebe7ecc22acbd05d385f373cc230747e1a536ea96ee42bea91db12561d50aee553cb4b44350e15f43

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4F7KH.tmp\2fb911b5ebee2ef24ccd1b60ecb86252de10324c2a9f57fa28ac55ca5037dc41.tmp
Filesize
680KB

MD5
9c0c87dbb79871a4914149cd5acefbf8

SHA1
35627d4c709114e03240747deb05d154743ccb59

SHA256
0b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf

SHA512
6608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd

Download Submit
\Users\Admin\AppData\Local\Temp\is-I1VVV.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/524-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/524-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1448-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1448-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1448-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3772-59-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/3772-61-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/3772-63-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-81-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-100-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-72-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-75-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-78-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-65-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-83-0x0000000000830000-0x00000000008D2000-memory.dmp

Filesize
648KB

Download
memory/4136-86-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-91-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-94-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-97-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-69-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-103-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-106-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-110-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-113-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-116-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-119-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-122-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-125-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download
memory/4136-130-0x0000000000400000-0x0000000000666000-memory.dmp

Filesize
2.4MB

Download

Analysis

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