socks5systemz | 0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8

General

Target

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe
Size

4.4MB
MD5

a3dc4bca5fd172e0483dd3ab19f61913
SHA1

434a9c7667eabe35ba85c337800ec0d48a217dc2
SHA256

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8
SHA512

f8bbb211e4f9d8ab137da05bf451714efe2604408dd13dd1c902fa318f914a18cd548428ae5599215ac04b599a325ce8ec3a7cca075b0cbda4fce9f6ce5a4a14
SSDEEP

98304:mJN1xw1T7zD88MsRLKgSiNcPnelzJRxzy9Oul79l2C7+lpn:O1xwdHbugfNcPnCzJRxzy9OG59ar

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ejbelez.ua

http://ejbelez.ua/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ed929d3d

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1336-81-0x0000000002550000-0x00000000025F2000-memory.dmp	family_socks5systemz

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

Processes:

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmpaudialstunebite.exeaudialstunebite.exe

pid process

4816 0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
4880 audialstunebite.exe
1336 audialstunebite.exe
Loads dropped DLL 1 IoCs

Processes:

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

pid process

4816 0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.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:

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

pid process

4816 0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

pid	process
4816	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
4880	audialstunebite.exe
1336	audialstunebite.exe

pid	process
4816	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
4816	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

description	pid	process	target process
PID 164 wrote to memory of 4816	164	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
PID 164 wrote to memory of 4816	164	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
PID 164 wrote to memory of 4816	164	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
PID 4816 wrote to memory of 4880	4816	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe
PID 4816 wrote to memory of 4880	4816	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe
PID 4816 wrote to memory of 4880	4816	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe
PID 4816 wrote to memory of 1336	4816	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe
PID 4816 wrote to memory of 1336	4816	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe
PID 4816 wrote to memory of 1336	4816	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe

C:\Users\Admin\AppData\Local\Temp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe
"C:\Users\Admin\AppData\Local\Temp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:164

C:\Users\Admin\AppData\Local\Temp\is-VKE93.tmp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
"C:\Users\Admin\AppData\Local\Temp\is-VKE93.tmp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp" /SL5="$8008C,4393398,54272,C:\Users\Admin\AppData\Local\Temp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4816

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -i
3⤵
- Executes dropped EXE
PID:4880

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -s
3⤵
- Executes dropped EXE
PID:1336

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\audialstunebite.exe
Filesize
2.4MB

MD5
0e3a6bb1924da6354a0bb156b154070b

SHA1
8b9aa8acbb0032e844b7a22723d3b56c3ebcbaf3

SHA256
5e97d5c7262b3937f327ad5d5868908e1c2224951c51ac9cbce175a49bc49f11

SHA512
470364e8d680c4d12f1bd3f66dccea599866756d69aac6020d28b489cadc6e625c23058a5130e4024252f9bbde56019a1875d64f24dd9bb6ca7650e38242546f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VKE93.tmp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
Filesize
680KB

MD5
9cd4f8c1e5d8e1e4c8fdc6d1bd5f38f7

SHA1
1e4c40a5a532968887c2b5ce0bf6b4d64f192ed2

SHA256
e0c5cc0a232d6ab642ecb701314227275a33cce2de01312cc9cf565e400e8129

SHA512
24d2c239786909767b7fa1d1170318c2025b323fd52b799eb0f3331e6053fa458908f0cd59d8b8a35a8e08828dfcc4e16ba82cf513f53980a7cfbe5ea751a39b

Download Submit
\Users\Admin\AppData\Local\Temp\is-D76KG.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/164-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/164-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/164-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1336-99-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-93-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-127-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-123-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-120-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-68-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-71-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-74-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-77-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-80-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-81-0x0000000002550000-0x00000000025F2000-memory.dmp

Filesize
648KB

Download
memory/1336-85-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-90-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-117-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-96-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-114-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-102-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-105-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-108-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1336-111-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/4816-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4816-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4880-61-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/4880-59-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/4880-63-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download

Analysis

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