socks5systemz | b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147

General

Target

b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe
Size

4.9MB
MD5

3d3967fd878136fa321428299e208192
SHA1

7717260c38becb6c359dd677685e8e34727eb420
SHA256

b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147
SHA512

3985193189f0f9576243d5a03af297f6c92aa477df6f63051115e35f6764dd7b3921c72ffc1848d48557200452666922450596f1b6129a5354ccddeb8c3bbcbf
SSDEEP

98304:mpeG+edcRh3CLrfyFXITePnCnrsSc9QJZLahn1KiSYysf1kRiBYz81+ZVB:bG+ic3S3fyFXCeur94QJZ/iSHsf1PKzN

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dimakwq.info

http://dimakwq.info/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c5e6919b39

http://dimakwq.info/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12eab517aa5c96bd86ee968448845a8bbc896c58e713bc90c91b36b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c993ec46b9714

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/1852-88-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz
behavioral2/memory/1852-111-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz
behavioral2/memory/1852-112-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
4892	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp
4736	mp3ripfreeedition32_64.exe
1852	mp3ripfreeedition32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
4892	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	45.155.250.90

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

pid	Process
4892	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 4892	5056	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe	77
PID 5056 wrote to memory of 4892	5056	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe	77
PID 5056 wrote to memory of 4892	5056	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe	77
PID 4892 wrote to memory of 4736	4892	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	78
PID 4892 wrote to memory of 4736	4892	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	78
PID 4892 wrote to memory of 4736	4892	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	78
PID 4892 wrote to memory of 1852	4892	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	79
PID 4892 wrote to memory of 1852	4892	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	79
PID 4892 wrote to memory of 1852	4892	b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp	79

C:\Users\Admin\AppData\Local\Temp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe
"C:\Users\Admin\AppData\Local\Temp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Users\Admin\AppData\Local\Temp\is-CHJK5.tmp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-CHJK5.tmp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp" /SL5="$40236,4912542,54272,C:\Users\Admin\AppData\Local\Temp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4892
- - C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
    "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4736
- - C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
    "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1852

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\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

Filesize
3.1MB

MD5
e9f28ca0b347e2e9c5f8d34005ddc57d

SHA1
c8acd89e4d33b095759a344d1ace0238552301a4

SHA256
6cfd997ec0848ba46e36fd30601a3b10b387ced6c45f044ecd6895934dd53ac3

SHA512
e5ee329243f297e4e2d09bd0745ff481b6afc4a372e002cae5e7adc378737f23efd9a1a1cd7128de4b3a5bc015c13c26614b468ccbe923afc5ff7a79ebb7cd3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-A27RH.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CHJK5.tmp\b0ce0faaceee81d7e2324833e03695af69a2b0d7256d7be0bd722724b9d14147.tmp

Filesize
680KB

MD5
3fd01798d5c0b482b5e51feacc84dd79

SHA1
8cc31c82ed0f579d988ac4f56d13bbd43c318578

SHA256
edf06b3057692fb34474364426a42e732a0c16c0b0a3972eb4aa739ab239b3ee

SHA512
fe7b2a8a78775acb0eceb5781af6daa6dde84aec28bd4fa69072d5cdeff2019a2c78a4c0e112eddd44cd659ec93449903663981453e99c50b130f4352d6d3d36

Download Submit
memory/1852-101-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-104-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-79-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-119-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-82-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-116-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-112-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/1852-67-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-69-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-111-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/1852-110-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-85-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-75-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-76-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-107-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-98-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-72-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-88-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/1852-89-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1852-95-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4736-63-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4736-60-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4736-65-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4736-59-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/4892-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4892-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5056-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5056-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5056-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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