socks5systemz | 1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2

General

Target

1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.exe
Size

5.0MB
MD5

ea344d7db6cdeb89587f63ce34c634da
SHA1

84e0acfd0a6ccf5fa0ff5eef892afd016f20cf20
SHA256

1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2
SHA512

114b821aa33e50d9d460bb80ef11b268e75e6ad8b985efe44e3f6886e6433e6bc5177f92920cfb76799c03b69e24f41ed9b0a0f11282d3407a96e262faf8746e
SSDEEP

98304:CPU0pdNun3hTIExcmUFzUU1g600oF0lA6RZoovdS5TtP73JWIvMQxeR:2Nu3uljz31hI0lAQZPs73JWfQw

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/3100-85-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral2/memory/3100-109-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral2/memory/3100-108-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4448	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp
2156	wavesurgelite32_64.exe
3100	wavesurgelite32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
4448	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.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	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

pid	Process
4448	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 204 wrote to memory of 4448	204	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.exe	74
PID 204 wrote to memory of 4448	204	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.exe	74
PID 204 wrote to memory of 4448	204	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.exe	74
PID 4448 wrote to memory of 2156	4448	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp	75
PID 4448 wrote to memory of 2156	4448	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp	75
PID 4448 wrote to memory of 2156	4448	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp	75
PID 4448 wrote to memory of 3100	4448	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp	76
PID 4448 wrote to memory of 3100	4448	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp	76
PID 4448 wrote to memory of 3100	4448	1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp	76

C:\Users\Admin\AppData\Local\Temp\1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.exe
"C:\Users\Admin\AppData\Local\Temp\1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:204
- C:\Users\Admin\AppData\Local\Temp\is-46L08.tmp\1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-46L08.tmp\1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp" /SL5="$5022A,5015467,54272,C:\Users\Admin\AppData\Local\Temp\1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4448
- - C:\Users\Admin\AppData\Local\Wave Surge Lite\wavesurgelite32_64.exe
    "C:\Users\Admin\AppData\Local\Wave Surge Lite\wavesurgelite32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2156
- - C:\Users\Admin\AppData\Local\Wave Surge Lite\wavesurgelite32_64.exe
    "C:\Users\Admin\AppData\Local\Wave Surge Lite\wavesurgelite32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3100

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\is-46L08.tmp\1b9b5877d6530881a909e0f85dd96bd604c169aebd69857971cb04d277814ea2.tmp

Filesize
680KB

MD5
7fa5923765b7a137768e33b7f1860232

SHA1
78ca23befb458dd560f2c71b1fd99250dd289c6e

SHA256
1746a84792a25d62897c5c4d9e397929c94f1589d63eb9b44a803057b22be52d

SHA512
e8ae0694a0e4abe6218b4c662936371898f3aea70dac03b1b4f8090c514c4e8b2c71b170d93ec27d7ed8bca05a72b4b0bbdeac579eedb87c42ea188fd1e27ec3

Download Submit
C:\Users\Admin\AppData\Local\Wave Surge Lite\wavesurgelite32_64.exe

Filesize
3.7MB

MD5
536c747f9680997cd15c8976b090c21b

SHA1
f9269e31783458c290f604eb3c074d35ed774d25

SHA256
5593c1ff2bcdc50c85a9c9bdf5b3aa2f7002170069d43e81131f93d98046dba5

SHA512
208e828f7ea52a566bbd4d7c6bb2feef786b1366491a0eee97c4dcd66b85e68dac13ed61ea2bd3ff3897b13d07ebe20ceb41895401b509cb666d394f9576cbf1

Download Submit
\Users\Admin\AppData\Local\Temp\is-GP93E.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/204-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/204-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/204-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2156-60-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2156-61-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2156-64-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-82-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-95-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-128-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-70-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-73-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-76-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-79-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-125-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-85-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3100-87-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-92-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-67-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-98-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-101-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-104-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-107-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-109-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3100-108-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3100-113-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-116-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-119-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/3100-122-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/4448-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4448-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing