socks5systemz | 8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 05:51

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General

Target

8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.exe
Size

5.1MB
MD5

326ead0c53755bc7859b3b0bf6a449f8
SHA1

e151a6f7a9b6da5d0670dabdd1346d878c575f14
SHA256

8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d
SHA512

63134c36fa3330bd31ca42c9c5a83aff660016b4025878dd4030b5969384be623e7d38e6ee1683e4d3875666564ef1cf8b9bf92d338885fc8810e808fa2f6992
SSDEEP

98304:CMycSTpTZnZUfN+K3hrNcPLxKX6tkrVBwdmF++q9nYx6H62rv5wgjWMGfqQxq:ABtTZnSfNb3PYxKXhrrz+5prBgqQQ

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/4148-88-0x0000000000B10000-0x0000000000BB1000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmpvkfreeaudiosaver.exevkfreeaudiosaver.exe

pid process

1316 8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp
2492 vkfreeaudiosaver.exe
4148 vkfreeaudiosaver.exe
Loads dropped DLL 1 IoCs

Processes:

8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp

pid process

1316 8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp
Unexpected DNS network traffic destination 3 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
Destination IP 152.89.198.214
Destination IP 91.211.247.248
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:

8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp

pid process

1316 8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp

resource	yara_rule
behavioral1/memory/4148-88-0x0000000000B10000-0x0000000000BB1000-memory.dmp	family_socks5systemz

pid	process
1316	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp
2492	vkfreeaudiosaver.exe
4148	vkfreeaudiosaver.exe

pid	process
1316	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
1316	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.exe8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp

description	pid	process	target process
PID 432 wrote to memory of 1316	432	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.exe	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp
PID 432 wrote to memory of 1316	432	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.exe	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp
PID 432 wrote to memory of 1316	432	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.exe	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp
PID 1316 wrote to memory of 2492	1316	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp	vkfreeaudiosaver.exe
PID 1316 wrote to memory of 2492	1316	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp	vkfreeaudiosaver.exe
PID 1316 wrote to memory of 2492	1316	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp	vkfreeaudiosaver.exe
PID 1316 wrote to memory of 4148	1316	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp	vkfreeaudiosaver.exe
PID 1316 wrote to memory of 4148	1316	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp	vkfreeaudiosaver.exe
PID 1316 wrote to memory of 4148	1316	8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp	vkfreeaudiosaver.exe

C:\Users\Admin\AppData\Local\Temp\8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.exe
"C:\Users\Admin\AppData\Local\Temp\8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:432

C:\Users\Admin\AppData\Local\Temp\is-9SV4N.tmp\8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-9SV4N.tmp\8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp" /SL5="$6016E,5148212,54272,C:\Users\Admin\AppData\Local\Temp\8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1316

C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver.exe
"C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver.exe" -i
3⤵
- Executes dropped EXE
PID:2492

C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver.exe
"C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver.exe" -s
3⤵
- Executes dropped EXE
PID:4148

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\Temp\is-5LRBM.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9SV4N.tmp\8121657a2ddd153ff7f7eedf4ea7f6e96976628ee27ca9818285814463c5956d.tmp
Filesize
680KB

MD5
2aab30954592b5c136a73992d432941b

SHA1
09fed957547ed267657834881c4e0ae2a71cdc16

SHA256
c849f3903bfbdcdf6aefa4dc537e399c934042595cb62ff3def064e25d57eac0

SHA512
0a123b35357a46e1cfe007f4727736cc4fe27ef9441405e9e7f71973dc7ecbaeac08a47ec8ae2989745b21d9b8158fba9452d102335f773598b35aa9c3fa855b

Download Submit
C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver.exe
Filesize
3.5MB

MD5
a1273e68a77c8a82226eea605e8ac56d

SHA1
13343c94d0813570bf32716220ad9d64a8ce5011

SHA256
109a93c07d0345dbfd84c2d4efeeb6b8e4cb91c059926c1038fdb66e2e03cd18

SHA512
4bfa009209c0d55be540e6e8ac5240b1a05e4fa00f9f9fd0d50dc55d1a2911d297fbcce6ac74ae590f2e38b05ae37bfc5e83637a367d63c407a43d3575fa2965

Download Submit
memory/432-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/432-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/432-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1316-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1316-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2492-59-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/2492-60-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/2492-63-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/2492-65-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-72-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-92-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-68-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-75-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-76-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-79-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-82-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-85-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-88-0x0000000000B10000-0x0000000000BB1000-memory.dmp

Filesize
644KB

Download
memory/4148-69-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-95-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-98-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-101-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-104-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-107-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-110-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-113-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download
memory/4148-116-0x0000000000400000-0x0000000000777000-memory.dmp

Filesize
3.5MB

Download