socks5systemz | f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746

General

Target

f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.exe
Size

4.9MB
MD5

c3119ebc8712c45adbc9dc15ad99fabc
SHA1

7381ee33d26a5f58f8f93c44af7196e1e1ec3440
SHA256

f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746
SHA512

f0ab24ceca7354084bb10ba532d9fb45735fd9268aded5a3343b8e598762e72b3ee9461cfc49fd34c5f060fe241a563b3ad281200d4f843fa35f8c9140a2b99a
SSDEEP

98304:mQ/oG9QT2IW0OgbqsEZh6Yf8dDPbXbF11IQzY7I3Fva6giqi4xQ/+9fww1Xvll:09iIW0OgmxZhkx7zd3Fsi40+ll

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ccgyyqi.net

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3296-85-0x0000000000AC0000-0x0000000000B62000-memory.dmp	family_socks5systemz

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

Processes:

f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmpstarsaudioconverter32.exestarsaudioconverter32.exe

pid process

1992 f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp
3672 starsaudioconverter32.exe
3296 starsaudioconverter32.exe
Loads dropped DLL 1 IoCs

Processes:

f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp

pid process

1992 f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.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:

f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp

pid process

1992 f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp

pid	process
1992	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp
3672	starsaudioconverter32.exe
3296	starsaudioconverter32.exe

pid	process
1992	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
1992	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.exef981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp

description	pid	process	target process
PID 2608 wrote to memory of 1992	2608	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.exe	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp
PID 2608 wrote to memory of 1992	2608	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.exe	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp
PID 2608 wrote to memory of 1992	2608	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.exe	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp
PID 1992 wrote to memory of 3672	1992	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp	starsaudioconverter32.exe
PID 1992 wrote to memory of 3672	1992	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp	starsaudioconverter32.exe
PID 1992 wrote to memory of 3672	1992	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp	starsaudioconverter32.exe
PID 1992 wrote to memory of 3296	1992	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp	starsaudioconverter32.exe
PID 1992 wrote to memory of 3296	1992	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp	starsaudioconverter32.exe
PID 1992 wrote to memory of 3296	1992	f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp	starsaudioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.exe
"C:\Users\Admin\AppData\Local\Temp\f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2608

C:\Users\Admin\AppData\Local\Temp\is-SD4K2.tmp\f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SD4K2.tmp\f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp" /SL5="$40204,4840148,54272,C:\Users\Admin\AppData\Local\Temp\f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe" -i
3⤵
- Executes dropped EXE
PID:3672

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe" -s
3⤵
- Executes dropped EXE
PID:3296

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\OrangeStars Audio Converter\starsaudioconverter32.exe

Filesize
2.4MB

MD5
5d98f1b3bbd9879baf3b46a37b9f0c8e

SHA1
ac1418cc8e28e07a5f62ff8ec18ad7d7047806ba

SHA256
fe9444fce6c115616d0f3bdef321313701ddba531cfe76ce39d8d02a72754f6b

SHA512
40b392ea554a8b16cdf2a450ff976caee1ee1d4b95bd5222c598540ec8250b24cc67a79bbe881139cf979a74feaecbd93a8a59122891f1b381f28750e6448f3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-940V9.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SD4K2.tmp\f981f587067133a977f9227d1f6c1ad8b8eabdcf42559ac7823ee2e194dba746.tmp

Filesize
680KB

MD5
e805fd8d14185debe4999b420e788690

SHA1
014b87617a2f2c62530ec2da91a5be0d8078c098

SHA256
720ee272d4e0d2c13caaa0051d875437161f82df74152144276e87f694712a3c

SHA512
33b68c21ef3f6ea17736ff45881019e363abc2df83ae4c1399bb3b3466199b06731bdd45c0852cad33408b54371cb9a9a574ec3445dd5030f6e56306f1e81dbf

Download Submit
memory/1992-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1992-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2608-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2608-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2608-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3296-96-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-83-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-68-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-114-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-111-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-71-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-74-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-77-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-80-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-108-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-85-0x0000000000AC0000-0x0000000000B62000-memory.dmp

Filesize
648KB

Download
memory/3296-88-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-93-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-105-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-99-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3296-102-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3672-59-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3672-64-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3672-60-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3672-65-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download

Analysis

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