socks5systemz | 934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 20:02

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General

Target

934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.exe
Size

5.0MB
MD5

b3b273fa4583dee1921c32a74411ccc6
SHA1

d49ab54194003ba661a3ce869c382ce884b25d6f
SHA256

934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e
SHA512

af411b6324d4dd6453e6cdaccafde88c84f7e3a4f71b317346f8b9f19e7943cf4a1e77c71a06aa69a5b77ee853c8b6397f896098010150892d40f204f59ed052
SSDEEP

98304:C8i8LiFgWNzuFctJbkWuHc5Rguy/QvDc6lelSq0gNa9PyurCrAWUZQQx7:zggWNzuFc7k5HQvDc6YlSqddpUaQt

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/4356-86-0x00000000009C0000-0x0000000000A62000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmpvixenjunior32.exevixenjunior32.exe

pid process

3808 934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp
4636 vixenjunior32.exe
4356 vixenjunior32.exe
Loads dropped DLL 1 IoCs

Processes:

934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp

pid process

3808 934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.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 141.98.234.31
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:

934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp

pid process

3808 934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp

resource	yara_rule
behavioral1/memory/4356-86-0x00000000009C0000-0x0000000000A62000-memory.dmp	family_socks5systemz

pid	process
3808	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp
4636	vixenjunior32.exe
4356	vixenjunior32.exe

pid	process
3808	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp

description	ioc
Destination IP	141.98.234.31
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
3808	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.exe934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp

description	pid	process	target process
PID 3776 wrote to memory of 3808	3776	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.exe	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp
PID 3776 wrote to memory of 3808	3776	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.exe	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp
PID 3776 wrote to memory of 3808	3776	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.exe	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp
PID 3808 wrote to memory of 4636	3808	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp	vixenjunior32.exe
PID 3808 wrote to memory of 4636	3808	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp	vixenjunior32.exe
PID 3808 wrote to memory of 4636	3808	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp	vixenjunior32.exe
PID 3808 wrote to memory of 4356	3808	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp	vixenjunior32.exe
PID 3808 wrote to memory of 4356	3808	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp	vixenjunior32.exe
PID 3808 wrote to memory of 4356	3808	934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp	vixenjunior32.exe

C:\Users\Admin\AppData\Local\Temp\934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.exe
"C:\Users\Admin\AppData\Local\Temp\934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3776

C:\Users\Admin\AppData\Local\Temp\is-BRKLK.tmp\934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-BRKLK.tmp\934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp" /SL5="$A01D0,5002845,54272,C:\Users\Admin\AppData\Local\Temp\934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3808

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:4636

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:4356

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
39c8826eeec415b90e3da96988be835c

SHA1
b4118239a0b2c8b00163e9f89240c5e4dc7cd6a3

SHA256
5b917c8182795a5090f81539cbd779eeffc56270f4d239fdb690ff9ec7986a19

SHA512
62d00ea17d2a1b2a73a3d0ee45f9decd47335a8e737787e5eb9d686b5e7282014495d2ebc5931bcd820fb2e8aab4ba84b3cfe851f0226bb2db80860a98c53391

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9C8T1.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BRKLK.tmp\934b8b37253b4fd917341a9cbbe4de637029976cdc0b9fcd8f6bf6ebd6d6ff9e.tmp
Filesize
680KB

MD5
fddb6f72f126578c0c2a7d3a62eafa25

SHA1
bbc9db04383e8bdceab8ca241ff8b9d865d2da8b

SHA256
68aaee79b2d80910719c70c2995c1b7f113e3fd972eeb36ca3f5159f655b366d

SHA512
3e957f6080a88157b7807f635bf72ac28de3e5568b68c091e5b10b3ff0c99e3d2d70b5c06f7d3650d9198f101d177584c7e2ac28938f63475117be4e306284cd

Download Submit
memory/3776-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3776-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3776-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3808-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3808-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4356-90-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-85-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-67-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-69-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-116-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-113-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-72-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-75-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-76-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-79-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-82-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-110-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-86-0x00000000009C0000-0x0000000000A62000-memory.dmp

Filesize
648KB

Download
memory/4356-107-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-95-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-98-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-101-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4356-104-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4636-60-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4636-59-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4636-65-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download
memory/4636-64-0x0000000000400000-0x0000000000764000-memory.dmp

Filesize
3.4MB

Download