socks5systemz | 1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db

General

Target

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe
Size

4.4MB
MD5

5b6cf43c9cd9b526a685ec593582d6b2
SHA1

50a0094cbe5e03f93dfee6ff03a276851b991146
SHA256

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db
SHA512

c6dbfc5ab5dc01c26b9fe09375d2ff4d42aecabf721678a5b860fe73ea53b261c594385fc1f8e9d265bee96147775e3c7cbda4b1832d925fe49922cd8a5bc517
SSDEEP

98304:mQJv0V8rmz0nimbjMZI8wQfRbF9h0jcqCxDC7Qq:HJcES0ni2jMZI8hfRbnSjczxDS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bbzbwou.com

http://bbzbwou.com/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c9ed969c33

http://bbzbwou.com/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12eab517aa5c96bd86ee9d8e4f895a8bbc896c58e713bc90c91136b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d32cf6c901e

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2184-85-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz
behavioral1/memory/2184-108-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz
behavioral1/memory/2184-109-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz

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

Processes:

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmpaudialstunebite32.exeaudialstunebite32.exe

pid process

1152 1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
4612 audialstunebite32.exe
2184 audialstunebite32.exe
Loads dropped DLL 1 IoCs

Processes:

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

pid process

1152 1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.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:

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

pid process

1152 1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

pid	process
1152	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
4612	audialstunebite32.exe
2184	audialstunebite32.exe

pid	process
1152	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
1152	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp

description	pid	process	target process
PID 2444 wrote to memory of 1152	2444	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
PID 2444 wrote to memory of 1152	2444	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
PID 2444 wrote to memory of 1152	2444	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
PID 1152 wrote to memory of 4612	1152	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe
PID 1152 wrote to memory of 4612	1152	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe
PID 1152 wrote to memory of 4612	1152	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe
PID 1152 wrote to memory of 2184	1152	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe
PID 1152 wrote to memory of 2184	1152	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe
PID 1152 wrote to memory of 2184	1152	1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp	audialstunebite32.exe

C:\Users\Admin\AppData\Local\Temp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe
"C:\Users\Admin\AppData\Local\Temp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2444

C:\Users\Admin\AppData\Local\Temp\is-V6TAT.tmp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
"C:\Users\Admin\AppData\Local\Temp\is-V6TAT.tmp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp" /SL5="$70046,4411854,54272,C:\Users\Admin\AppData\Local\Temp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1152

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -i
3⤵
- Executes dropped EXE
PID:4612

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -s
3⤵
- Executes dropped EXE
PID:2184

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\Audials Tunebite\audialstunebite32.exe
Filesize
2.4MB

MD5
01eb42e90b3c1ea5545adb2245ca8855

SHA1
f73166d3c0013ceb2f40452b954206ded2e930f1

SHA256
bfcb9bee2ceab3f769a478abd86a38fa89aae9b9537376f72048a0236ea23b5f

SHA512
86fe4d2f2b592bebfbc4be81651ea92a06bca07a5869fc9236c93185f1fbd6a96ba4548a668dfb130bbcb9af664cb759250cadb4d8eb38f8ed2abd60dce975f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9EDTG.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-V6TAT.tmp\1170ca06a3fd2299b80e13e313c1911dec2d43973d4fb6592d188f134137e4db.tmp
Filesize
680KB

MD5
23f23fa5ae3e56ae0f625a846930859c

SHA1
eedb60b2cffa50c4aa9e5be8df8a65c0cc5916ae

SHA256
568997aae8c7c496a3ccad87c665b5c305e40016fb15d54cdc2d6bd9513320f0

SHA512
6d38a6046113f3c6120d02b51cf69dd2b21a76a66569022be690d2ee3ce6473bafbff9fdd32210a4a449a683e323795cb2aedb8df4895e33ec4a8954de86c9f9

Download Submit
memory/1152-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1152-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2184-98-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-116-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-113-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-109-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/2184-108-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/2184-107-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-70-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-73-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-79-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-82-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-85-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/2184-87-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-92-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-95-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2184-104-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2444-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2444-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2444-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4612-59-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4612-65-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4612-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4612-63-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download

Analysis

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