socks5systemz | d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e

General

Target

d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.exe
Size

4.8MB
MD5

a417e5363bdd4a9a1a9c242399a710fb
SHA1

fc51d75b6b412c2ef03d1716611b9b40aa42dc54
SHA256

d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e
SHA512

47500b622883848aba568d2126d0e35cb5c8bf5e2475086ff25c34454bfb3f40e58a2abab78c100f4e0a58cd93a491165dcf977c8b96f0f00962c1491bbd5d90
SSDEEP

98304:m1uxrgV46sL5x9XPjKpVwT0lGyyZhwirwILAwUGS9pGQC/HGrJEznll:6uRgiB5TRwlGcir5s9bC+tEznll

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ezytknb.ua

http://ezytknb.ua/search/?q=67e28dd83954f07a4008f8497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff718c0e793983e

http://ezytknb.ua/search/?q=67e28dd83954f07a4008f8497c27d78406abdd88be4b12eab517aa5c96bd86ef97844d825a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d933bc5699413

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2856-88-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz
behavioral1/memory/2856-111-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz
behavioral1/memory/2856-112-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz

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

Processes:

d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmpstarsaudioconverter32.exestarsaudioconverter32.exe

pid process

3968 d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp
1872 starsaudioconverter32.exe
2856 starsaudioconverter32.exe
Loads dropped DLL 1 IoCs

Processes:

d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp

pid process

3968 d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.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 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:

d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp

pid process

3968 d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp

pid	process
3968	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp
1872	starsaudioconverter32.exe
2856	starsaudioconverter32.exe

pid	process
3968	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
3968	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.exed64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp

description	pid	process	target process
PID 624 wrote to memory of 3968	624	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.exe	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp
PID 624 wrote to memory of 3968	624	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.exe	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp
PID 624 wrote to memory of 3968	624	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.exe	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp
PID 3968 wrote to memory of 1872	3968	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp	starsaudioconverter32.exe
PID 3968 wrote to memory of 1872	3968	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp	starsaudioconverter32.exe
PID 3968 wrote to memory of 1872	3968	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp	starsaudioconverter32.exe
PID 3968 wrote to memory of 2856	3968	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp	starsaudioconverter32.exe
PID 3968 wrote to memory of 2856	3968	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp	starsaudioconverter32.exe
PID 3968 wrote to memory of 2856	3968	d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp	starsaudioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.exe
"C:\Users\Admin\AppData\Local\Temp\d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\Temp\is-3F95T.tmp\d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-3F95T.tmp\d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp" /SL5="$C0064,4811745,54272,C:\Users\Admin\AppData\Local\Temp\d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3968

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:1872

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:2856

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\OrangeStars Audio Converter\starsaudioconverter32.exe
Filesize
2.4MB

MD5
0d44cc7ba6178b4717c56abd30185f0a

SHA1
983cbb4b74481d2211ce10f7745564ab51d35fc1

SHA256
e4349a82b39505dccd7b722272a1c7cd69e7f4ba3d5a4f0c54cc87fa946d67e9

SHA512
54b36b94e6a8b117d63ca9cf84eb3090c16f6417dbe1350a68f453eb32ea2c964edc83d08181c168190524a99359457e57ade209886c2276f1fe5fa3ac69ba00

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-089L4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3F95T.tmp\d64aed088a866920fb0dadc5c8f3cb5829d61a0be0c00de28ae3509cd151a47e.tmp
Filesize
680KB

MD5
e805fd8d14185debe4999b420e788690

SHA1
014b87617a2f2c62530ec2da91a5be0d8078c098

SHA256
720ee272d4e0d2c13caaa0051d875437161f82df74152144276e87f694712a3c

SHA512
33b68c21ef3f6ea17736ff45881019e363abc2df83ae4c1399bb3b3466199b06731bdd45c0852cad33408b54371cb9a9a574ec3445dd5030f6e56306f1e81dbf

Download Submit
memory/624-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/624-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/624-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1872-59-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/1872-60-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/1872-61-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/1872-64-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-75-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-107-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-67-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-119-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-71-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-74-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-116-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-78-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-81-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-84-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-88-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/2856-89-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-95-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-98-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-101-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-104-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-68-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-110-0x0000000000400000-0x000000000065E000-memory.dmp

Filesize
2.4MB

Download
memory/2856-111-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/2856-112-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/3968-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3968-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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