socks5systemz | 54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e

General

Target

54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.exe
Size

4.8MB
MD5

470cba8e9ff7f2979c8c3021bfd11067
SHA1

b8654d5cad23413541e31b8d5c38229f8833407c
SHA256

54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e
SHA512

5425e9991207a9476cfe389d6c714b06e82c64bd6f4bdd1b3f482b46f284e61ac5925a2339b0af5aa3575adda8310affb76f8bc2032485cc9d99e7c451e4593f
SSDEEP

98304:mcKTJUwrhDaSgqX/mNRt0s9I+9U2JL9kMB8+g2DYf4ATH+ENT2:6Uwtvvmd9lxJwccTeENT2

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

diodake.info

http://diodake.info/search/?q=67e28dd8690ba728400aae4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c1e6969c3b

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4608-84-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz

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

Processes:

54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmpfreeaudioconverter.exefreeaudioconverter.exe

pid process

5024 54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp
2084 freeaudioconverter.exe
4608 freeaudioconverter.exe
Loads dropped DLL 1 IoCs

Processes:

54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp

pid process

5024 54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.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 152.89.198.214
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:

54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp

pid process

5024 54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp

pid	process
5024	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp
2084	freeaudioconverter.exe
4608	freeaudioconverter.exe

pid	process
5024	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
5024	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.exe54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp

description	pid	process	target process
PID 3220 wrote to memory of 5024	3220	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.exe	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp
PID 3220 wrote to memory of 5024	3220	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.exe	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp
PID 3220 wrote to memory of 5024	3220	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.exe	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp
PID 5024 wrote to memory of 2084	5024	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp	freeaudioconverter.exe
PID 5024 wrote to memory of 2084	5024	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp	freeaudioconverter.exe
PID 5024 wrote to memory of 2084	5024	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp	freeaudioconverter.exe
PID 5024 wrote to memory of 4608	5024	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp	freeaudioconverter.exe
PID 5024 wrote to memory of 4608	5024	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp	freeaudioconverter.exe
PID 5024 wrote to memory of 4608	5024	54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp	freeaudioconverter.exe

C:\Users\Admin\AppData\Local\Temp\54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.exe
"C:\Users\Admin\AppData\Local\Temp\54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3220

C:\Users\Admin\AppData\Local\Temp\is-D47EP.tmp\54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-D47EP.tmp\54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp" /SL5="$50234,4749985,54272,C:\Users\Admin\AppData\Local\Temp\54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5024

C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -i
3⤵
- Executes dropped EXE
PID:2084

C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -s
3⤵
- Executes dropped EXE
PID:4608

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\Free Audio Converter\freeaudioconverter.exe
Filesize
3.0MB

MD5
578cb9964772cf18127e86ec45e5cfa0

SHA1
0ebf42134b760e54441f2c6e5f63ad8fc38a94ff

SHA256
ba7cbb47023462fdae507354f56b93c0d437eb395e085a83148a188ee8764387

SHA512
a131e7ee03a44b92e94d0f95d27f6f6e1da7ed20cd2342c4de7ccdb8537e43e774e9066c464d822b7ea97eda74f2a2f92108053674f7b7f706fc90878f83746b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D47EP.tmp\54da8547a7cab8d0e75cf10526da2d7a8423bd67bbb0932a35f305090e341d7e.tmp
Filesize
680KB

MD5
f519683b3c418feee49361b3411d8c3d

SHA1
f981468acbf6b3e1d081a52203f7e3f017fcafe7

SHA256
4fc60883a82f58b3a798be19bd6a25592631ac3ccb23af3b1a95c41dab65af4a

SHA512
db0e3a2363bb9433cc57d3da42bfb901f0ed128aad2297a88cca1dae650f69a438ef4f7634b945568bb99f59bc587eb698f08cf8dc8162808ac8575fa280c805

Download Submit
\Users\Admin\AppData\Local\Temp\is-NBO1D.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2084-59-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2084-60-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2084-64-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/3220-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3220-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3220-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4608-78-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-97-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-69-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-72-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-75-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-130-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-81-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-84-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/4608-88-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-91-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-94-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-125-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-100-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-103-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-106-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-110-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-113-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-116-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-119-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/4608-122-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/5024-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5024-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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