socks5systemz | e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c

Analysis

max time kernel
62s
max time network
159s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 21:02

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General

Target

e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.exe
Size

5.0MB
MD5

4e2ec43c2692799106c1d443b2f4ab12
SHA1

01e5ef5c0f6a92583051ddc4c885543d3e03fbcd
SHA256

e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c
SHA512

d5208aa0ede37d7bed2dc06a9099c5e058142b5677ac45dcb858973731d4162abc0ba10033c30ede1c97df65c63b3e62e1badb871006b7e43d4556fc39b063c8
SSDEEP

98304:CDVbPcvyWfsRJdnQSr9xV8jAgBmcuwL7UlT+JLFVgQ/Qx7:cky0OHnJfV8jaKZDVZQt

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/3888-86-0x00000000023C0000-0x0000000002462000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmpvixenjunior32.exevixenjunior32.exe

pid process

832 e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp
4740 vixenjunior32.exe
3888 vixenjunior32.exe
Loads dropped DLL 1 IoCs

Processes:

e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp

pid process

832 e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.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 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

Processes:

e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp

pid process

832 e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp

resource	yara_rule
behavioral2/memory/3888-86-0x00000000023C0000-0x0000000002462000-memory.dmp	family_socks5systemz

pid	process
832	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp
4740	vixenjunior32.exe
3888	vixenjunior32.exe

pid	process
832	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
832	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.exee8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp

description	pid	process	target process
PID 3272 wrote to memory of 832	3272	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.exe	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp
PID 3272 wrote to memory of 832	3272	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.exe	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp
PID 3272 wrote to memory of 832	3272	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.exe	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp
PID 832 wrote to memory of 4740	832	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp	vixenjunior32.exe
PID 832 wrote to memory of 4740	832	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp	vixenjunior32.exe
PID 832 wrote to memory of 4740	832	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp	vixenjunior32.exe
PID 832 wrote to memory of 3888	832	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp	vixenjunior32.exe
PID 832 wrote to memory of 3888	832	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp	vixenjunior32.exe
PID 832 wrote to memory of 3888	832	e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp	vixenjunior32.exe

C:\Users\Admin\AppData\Local\Temp\e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.exe
"C:\Users\Admin\AppData\Local\Temp\e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3272

C:\Users\Admin\AppData\Local\Temp\is-33GJ6.tmp\e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp
"C:\Users\Admin\AppData\Local\Temp\is-33GJ6.tmp\e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp" /SL5="$40222,4989823,54272,C:\Users\Admin\AppData\Local\Temp\e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:832

C:\Users\Admin\AppData\Local\Morphology VIXEN Junior\vixenjunior32.exe
"C:\Users\Admin\AppData\Local\Morphology VIXEN Junior\vixenjunior32.exe" -i
3⤵
- Executes dropped EXE
PID:4740

C:\Users\Admin\AppData\Local\Morphology VIXEN Junior\vixenjunior32.exe
"C:\Users\Admin\AppData\Local\Morphology VIXEN Junior\vixenjunior32.exe" -s
3⤵
- Executes dropped EXE
PID:3888

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\Morphology VIXEN Junior\vixenjunior32.exe
Filesize
3.4MB

MD5
66bafdeda868e3f0174cb39fdeb04ceb

SHA1
3305fb9085886675404439f1589e1707782824dc

SHA256
70bd8bb02caea7dedd5421a061cc6e13e78fc7d073e7d9764410a26cabfdd2b2

SHA512
65c5bdbd54b796adf5eb155fd02c503b4476ec285ec0b7655625a9d41153b1e39de71520cdd1576d94b592d92e6197941ec966b7ef6ef60afe352db7aa6cd095

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-1G0QQ.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-33GJ6.tmp\e8af1de3867cab9fcea540c75f4d485db08e3ef503066f990a7c33ae73bd155c.tmp
Filesize
680KB

MD5
fddb6f72f126578c0c2a7d3a62eafa25

SHA1
bbc9db04383e8bdceab8ca241ff8b9d865d2da8b

SHA256
68aaee79b2d80910719c70c2995c1b7f113e3fd972eeb36ca3f5159f655b366d

SHA512
3e957f6080a88157b7807f635bf72ac28de3e5568b68c091e5b10b3ff0c99e3d2d70b5c06f7d3650d9198f101d177584c7e2ac28938f63475117be4e306284cd

Download Submit
memory/832-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/832-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3272-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3272-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3272-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3888-72-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-85-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-116-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-113-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-110-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-67-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-69-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-76-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-75-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-79-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-82-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-107-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-90-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-86-0x00000000023C0000-0x0000000002462000-memory.dmp

Filesize
648KB

Download
memory/3888-95-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-98-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-101-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/3888-104-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4740-63-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4740-65-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4740-60-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4740-59-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download