socks5systemz | af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19

General

Target

af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.exe
Size

4.9MB
MD5

8169c9f2327f1cf2e695ef76f349a715
SHA1

89c1306d77f525bf18e96e7734ed722242dbb579
SHA256

af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19
SHA512

a82cbef9ab2e61048cfee6b89a655a27295fe431406873785948566f1fcbaf43adc5105fe2edbe0fd303271ac3c31cb5a3e05d1cebaa008bd4af51b5e214a8c1
SSDEEP

98304:mg721aYMPMJIcGcR3F7xAJhu6uGJFhAkCwea9/E4J3z9kIq+uGnFnnXlcBll:a1aCOcGsv0PueFmBwW4JDlnFnXlcBll

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aqugeul.ru

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4048-87-0x0000000000A30000-0x0000000000AD2000-memory.dmp	family_socks5systemz

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

Processes:

af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmpstarsaudioconverter32.exestarsaudioconverter32.exe

pid process

4036 af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp
2216 starsaudioconverter32.exe
4048 starsaudioconverter32.exe
Loads dropped DLL 1 IoCs

Processes:

af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp

pid process

4036 af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.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 141.98.234.31
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:

af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp

pid process

4036 af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp

pid	process
4036	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp
2216	starsaudioconverter32.exe
4048	starsaudioconverter32.exe

pid	process
4036	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	152.89.198.214
Destination IP	141.98.234.31

pid	process
4036	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.exeaf503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp

description	pid	process	target process
PID 5016 wrote to memory of 4036	5016	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.exe	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp
PID 5016 wrote to memory of 4036	5016	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.exe	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp
PID 5016 wrote to memory of 4036	5016	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.exe	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp
PID 4036 wrote to memory of 2216	4036	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp	starsaudioconverter32.exe
PID 4036 wrote to memory of 2216	4036	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp	starsaudioconverter32.exe
PID 4036 wrote to memory of 2216	4036	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp	starsaudioconverter32.exe
PID 4036 wrote to memory of 4048	4036	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp	starsaudioconverter32.exe
PID 4036 wrote to memory of 4048	4036	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp	starsaudioconverter32.exe
PID 4036 wrote to memory of 4048	4036	af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp	starsaudioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.exe
"C:\Users\Admin\AppData\Local\Temp\af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5016

C:\Users\Admin\AppData\Local\Temp\is-JIT10.tmp\af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp
"C:\Users\Admin\AppData\Local\Temp\is-JIT10.tmp\af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp" /SL5="$501C4,4859862,54272,C:\Users\Admin\AppData\Local\Temp\af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4036

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:2216

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:4048

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
a7e3afa04828d1220190dbe3a5054a73

SHA1
4cdc1534b1aaca0372c77f0aa9c3edba2157bf9c

SHA256
5482badd2244e3fc7383b43dd9d582e31783ad3f4b1049abe7a045cf0e4604c8

SHA512
476c60b6b9dba9e4fbd29b68b67a2d7fa5911d8d4f5687debe8b78adf7332297bd25fbb499090a7a2601d63e50b2409bd43b92891069d30ba28f5efa3374de0d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H3H8D.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-JIT10.tmp\af503d0b9b166ef84a29051153ce9e24c36e0466928d47b0a9fec26e9bec3a19.tmp
Filesize
680KB

MD5
e805fd8d14185debe4999b420e788690

SHA1
014b87617a2f2c62530ec2da91a5be0d8078c098

SHA256
720ee272d4e0d2c13caaa0051d875437161f82df74152144276e87f694712a3c

SHA512
33b68c21ef3f6ea17736ff45881019e363abc2df83ae4c1399bb3b3466199b06731bdd45c0852cad33408b54371cb9a9a574ec3445dd5030f6e56306f1e81dbf

Download Submit
memory/2216-64-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2216-59-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2216-60-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2216-65-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4036-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4036-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4048-72-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-90-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-69-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-117-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-114-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-111-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-73-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-76-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-79-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-82-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-85-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-68-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-87-0x0000000000A30000-0x0000000000AD2000-memory.dmp

Filesize
648KB

Download
memory/4048-96-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-99-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-102-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-105-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4048-108-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/5016-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5016-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5016-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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