socks5systemz | 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135

Analysis

max time kernel
141s
max time network
127s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
28-06-2024 00:05

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General

Target

72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe
Size

5.0MB
MD5

4bcaa91a1cd0048e4453abfeed64930c
SHA1

7234adef68ea136a8856410c45d8dae8d72375a9
SHA256

72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135
SHA512

51a132ebf82e23b0cff21cc0d250d8b6ce38af0235b5d417c377985752e1203b69b488bdb39e632eeb8d87377d5c7e8556e057b6542ed8c2a37b5dde6dd259f1
SSDEEP

98304:ClA4j+L5xsiWwb8Ry+vEBzYDIq9qVLa6UinSSUlYB+0p4T6/M3aFIkQxcMv:NE+L5xsJwKvAzqoaLlmpQ13afQW8

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

aavxiuu.ru

http://aavxiuu.ru/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff614c3ec949232

http://aavxiuu.ru/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12eab517aa5c96bd86eb968e4c865a8bbc896c58e713bc90c91b36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9f38ce6e9e1f

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/476-87-0x00000000029A0000-0x0000000002A42000-memory.dmp	family_socks5systemz
behavioral2/memory/476-112-0x00000000029A0000-0x0000000002A42000-memory.dmp	family_socks5systemz
behavioral2/memory/476-111-0x00000000029A0000-0x0000000002A42000-memory.dmp	family_socks5systemz

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

Processes:

72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmpwavmp3splitter32.exewavmp3splitter32.exe

pid process

4588 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp
4672 wavmp3splitter32.exe
476 wavmp3splitter32.exe
Loads dropped DLL 1 IoCs

Processes:

72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp

pid process

4588 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.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:

72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp

pid process

4588 72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp

pid	process
4588	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp
4672	wavmp3splitter32.exe
476	wavmp3splitter32.exe

pid	process
4588	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
4588	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp

description	pid	process	target process
PID 2324 wrote to memory of 4588	2324	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp
PID 2324 wrote to memory of 4588	2324	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp
PID 2324 wrote to memory of 4588	2324	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp
PID 4588 wrote to memory of 4672	4588	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp	wavmp3splitter32.exe
PID 4588 wrote to memory of 4672	4588	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp	wavmp3splitter32.exe
PID 4588 wrote to memory of 4672	4588	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp	wavmp3splitter32.exe
PID 4588 wrote to memory of 476	4588	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp	wavmp3splitter32.exe
PID 4588 wrote to memory of 476	4588	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp	wavmp3splitter32.exe
PID 4588 wrote to memory of 476	4588	72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp	wavmp3splitter32.exe

C:\Users\Admin\AppData\Local\Temp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe
"C:\Users\Admin\AppData\Local\Temp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2324

C:\Users\Admin\AppData\Local\Temp\is-TU7AV.tmp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp
"C:\Users\Admin\AppData\Local\Temp\is-TU7AV.tmp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp" /SL5="$501F0,4982149,54272,C:\Users\Admin\AppData\Local\Temp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4588

C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe
"C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe" -i
3⤵
- Executes dropped EXE
PID:4672

C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe
"C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe" -s
3⤵
- Executes dropped EXE
PID:476

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe
Filesize
3.4MB

MD5
667081bbd0624ac483dcceffb41c134b

SHA1
5a60619438a655bd8e1f4e2f6c3da3b62c2e072d

SHA256
c2ed1b83c13a0eac6cb8648d6645916e090e381945e39953430e5c98363c2cbb

SHA512
89e82a6c4fdcfca5162d47198da72317cbf3c486027b1a9cc27cf05d4fb060537511c7ba905963f59b4de7160f2cc25a572b56496a3c35cbd625ae802678de1c

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TU7AV.tmp\72485167b9cf6920dd0e17d1e432828f109a16ce4f9c4c0a83a0d2aa3f400135.tmp
Filesize
680KB

MD5
59177ea3e8147d91b694e9949c60d194

SHA1
5c8cfd3fcccd7be056c7c0e2e4fc063c38dc14bd

SHA256
9687ab4b33b1a083194713be5a0f872ebb949773b832a20063a507073859e28c

SHA512
a235dab7d5dc6652f5f8256c1e2c19aef2f583ead02a920ee17658eeb64e8a9620767594d7e4b6ca4aa030643821133c1a18823c55ea769d3221383927ea8a08

Download Submit
memory/476-101-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-104-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-78-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-119-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-81-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-116-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-111-0x00000000029A0000-0x0000000002A42000-memory.dmp

Filesize
648KB

Download
memory/476-68-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-67-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-112-0x00000000029A0000-0x0000000002A42000-memory.dmp

Filesize
648KB

Download
memory/476-110-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-84-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-74-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-75-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-107-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-98-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-71-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-87-0x00000000029A0000-0x0000000002A42000-memory.dmp

Filesize
648KB

Download
memory/476-89-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/476-95-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/2324-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2324-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4588-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4588-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4672-64-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/4672-60-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/4672-59-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download
memory/4672-63-0x0000000000400000-0x0000000000765000-memory.dmp

Filesize
3.4MB

Download