socks5systemz | e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 15:26

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General

Target

e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.exe
Size

5.5MB
MD5

09f1c567bd19d4164253e742b57e2eb0
SHA1

ed0cc374007a7b1a6ddc29a1b4f93cddae2abce0
SHA256

e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d
SHA512

ca491035ec7e803d4e67d966e3047bcef102c1215568b173ead09a8ee08a2ba466fad0b24b29fdee0a2d9b4c9520f08996f8da6e2bdbbfdc49156926d8ed67a1
SSDEEP

98304:C3vvG3Y3pEihsWSZ8w197R3GeAaU/QjOAqCf2EcwzwckD1R/aAiTaQx7:YvvP3cp19F3QClnOpWo1Ja3TaQV

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4412-84-0x0000000000A70000-0x0000000000B12000-memory.dmp	family_socks5systemz
behavioral2/memory/4412-110-0x0000000000A70000-0x0000000000B12000-memory.dmp	family_socks5systemz
behavioral2/memory/4412-111-0x0000000000A70000-0x0000000000B12000-memory.dmp	family_socks5systemz

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

Processes:

e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmpmp3doctorfree32.exemp3doctorfree32.exe

pid process

4864 e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp
4844 mp3doctorfree32.exe
4412 mp3doctorfree32.exe
Loads dropped DLL 1 IoCs

Processes:

e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp

pid process

4864 e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.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:

e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp

pid process

4864 e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp

pid	process
4864	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp
4844	mp3doctorfree32.exe
4412	mp3doctorfree32.exe

pid	process
4864	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
4864	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.exee8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp

description	pid	process	target process
PID 4292 wrote to memory of 4864	4292	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.exe	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp
PID 4292 wrote to memory of 4864	4292	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.exe	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp
PID 4292 wrote to memory of 4864	4292	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.exe	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp
PID 4864 wrote to memory of 4844	4864	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp	mp3doctorfree32.exe
PID 4864 wrote to memory of 4844	4864	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp	mp3doctorfree32.exe
PID 4864 wrote to memory of 4844	4864	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp	mp3doctorfree32.exe
PID 4864 wrote to memory of 4412	4864	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp	mp3doctorfree32.exe
PID 4864 wrote to memory of 4412	4864	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp	mp3doctorfree32.exe
PID 4864 wrote to memory of 4412	4864	e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp	mp3doctorfree32.exe

C:\Users\Admin\AppData\Local\Temp\e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.exe
"C:\Users\Admin\AppData\Local\Temp\e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4292

C:\Users\Admin\AppData\Local\Temp\is-ES3NT.tmp\e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-ES3NT.tmp\e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp" /SL5="$901B8,5483812,54272,C:\Users\Admin\AppData\Local\Temp\e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4864

C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe" -i
3⤵
- Executes dropped EXE
PID:4844

C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe" -s
3⤵
- Executes dropped EXE
PID:4412

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\MP3Doctor Free 2021\mp3doctorfree32.exe
Filesize
3.5MB

MD5
450a5412f724369a432be1aeb779ba9f

SHA1
c718422322f4685e7a116321a45689f7e3dc6b43

SHA256
3989d1ada720b7b3974f6166653d0ed01ec05c329a52b03eeefd9a44216f6440

SHA512
629633fe95df73ef775d16d057010857c453df7ad550500e62065ec34b49fabd8d57dc550fefc3052d47d13e2e02010b0b84738e67c5dfd482803af61d2412bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-B8BF0.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ES3NT.tmp\e8d3a9188843cc7010cb972c4820c2aef404969ca20f6f334a894bb25b73cc1d.tmp
Filesize
680KB

MD5
f2c590a5984e17e207ae3170ad207b55

SHA1
213e360c8d168c3c6e0e0ffb071e1d8b04bcb815

SHA256
bde90135e9cd6e66c996b468bbd498f87c5b3fe08537b4cf81943de0c00e51aa

SHA512
7754dfeb1102dc165383ce36aaa39d0c6ea99502d8ec3decb33f7c124602796f2e5daa4ef2c6153fe250d75e3d5d399b0cf90376f5e5520211c5dc6275d6ad77

Download Submit
memory/4292-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4292-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4292-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4412-97-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-100-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-118-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-115-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-68-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-111-0x0000000000A70000-0x0000000000B12000-memory.dmp

Filesize
648KB

Download
memory/4412-110-0x0000000000A70000-0x0000000000B12000-memory.dmp

Filesize
648KB

Download
memory/4412-71-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-74-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-77-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-80-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-83-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-84-0x0000000000A70000-0x0000000000B12000-memory.dmp

Filesize
648KB

Download
memory/4412-88-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-94-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-109-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-106-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4412-103-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4844-60-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4844-59-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4844-63-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4844-65-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4864-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4864-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download