socks5systemz | c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095

General

Target

c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.exe
Size

5.0MB
MD5

69392c54eba42a4bce4492cfd8d7a936
SHA1

0cdaaf716111af270aac3c267ebc57b1ffd0a9a7
SHA256

c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095
SHA512

64a196ab342ef8cbd2281cdea34324e76a514c55e829971e05573632610b4fe3458ead46dca018a656af2f089e822134dcd805aaec147da6509726c63b9cb8a8
SSDEEP

98304:mb1Wa27HSSp3ifx7VKcpnRA5FMFObLwVFtPVJbXsk:c1W7TF3ifLJnEFPwP18k

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

erbbisp.ua

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2500-85-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz

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

Processes:

c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmpaudialstunebite32_64.exeaudialstunebite32_64.exe

pid process

1412 c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp
2104 audialstunebite32_64.exe
2500 audialstunebite32_64.exe
Loads dropped DLL 1 IoCs

Processes:

c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp

pid process

1412 c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 91.211.247.248
Destination IP 152.89.198.214
Destination IP 91.211.247.248
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:

c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp

pid process

1412 c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp

pid	process
1412	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp
2104	audialstunebite32_64.exe
2500	audialstunebite32_64.exe

pid	process
1412	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
1412	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.exec827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp

description	pid	process	target process
PID 668 wrote to memory of 1412	668	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.exe	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp
PID 668 wrote to memory of 1412	668	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.exe	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp
PID 668 wrote to memory of 1412	668	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.exe	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp
PID 1412 wrote to memory of 2104	1412	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp	audialstunebite32_64.exe
PID 1412 wrote to memory of 2104	1412	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp	audialstunebite32_64.exe
PID 1412 wrote to memory of 2104	1412	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp	audialstunebite32_64.exe
PID 1412 wrote to memory of 2500	1412	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp	audialstunebite32_64.exe
PID 1412 wrote to memory of 2500	1412	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp	audialstunebite32_64.exe
PID 1412 wrote to memory of 2500	1412	c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp	audialstunebite32_64.exe

C:\Users\Admin\AppData\Local\Temp\c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.exe
"C:\Users\Admin\AppData\Local\Temp\c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:668

C:\Users\Admin\AppData\Local\Temp\is-RVG7V.tmp\c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp
"C:\Users\Admin\AppData\Local\Temp\is-RVG7V.tmp\c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp" /SL5="$A0054,4996649,54272,C:\Users\Admin\AppData\Local\Temp\c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1412

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:2104

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:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe
Filesize
2.6MB

MD5
b8826fc6cd19bc6f8de055f59a412dac

SHA1
7ff69d9c54fbf5c918f1b019a8e4904aa98b5935

SHA256
78457a9e8fa938b80ad8e2b263733b754e8a666e47358c654234481ff8a3bfab

SHA512
b0b94a4c352525de771759ebd5c376c601d400ede9b9a13e86aedad44eacbc8c7e3df98ab8d0ebd15b3d5e2f4afdd31844082273769d0d6984b01e9b41a7c17a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2U3HO.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RVG7V.tmp\c827093672a316522f1f5754b290bbd8b869ddfd71e2ca01ddad7533962e7095.tmp
Filesize
680KB

MD5
9c0c87dbb79871a4914149cd5acefbf8

SHA1
35627d4c709114e03240747deb05d154743ccb59

SHA256
0b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf

SHA512
6608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd

Download Submit
memory/668-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/668-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/668-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1412-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1412-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2104-59-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2104-61-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2104-62-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2104-64-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-73-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-87-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-67-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-76-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-79-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-82-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-85-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/2500-70-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-92-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-95-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-98-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-101-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-104-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-107-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-110-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download
memory/2500-113-0x0000000000400000-0x0000000000691000-memory.dmp

Filesize
2.6MB

Download

Analysis

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