socks5systemz | 8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f

Analysis

max time kernel
292s
max time network
248s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 05:05

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General

Target

8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe
Size

5.2MB
MD5

3207ffd6544a39a59e724126f01c6895
SHA1

08ccf9868cbe99a94ad279bed10a0d226706b2f3
SHA256

8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f
SHA512

39e4a9b60c9a3971dcd1206da7c200129910db812a3e0073009b68c9ede8329cda10ad356bae7b469a27f3bdaa88e03541133b1536d83b7196d62bf47a66d6b7
SSDEEP

98304:C0cZ1IXEZUFAZCz1mZqOz5vef5+/Ez2mETuUxdDK1l4OnpBJVsSORCl5kFOt6Qx7:hQ1oE+FAZCz0jefI/orOArYNRCl5x6Qt

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2908-92-0x0000000002460000-0x0000000002502000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmpvixenjunior32.exevixenjunior32.exe

pid process

2680 8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
2432 vixenjunior32.exe
2908 vixenjunior32.exe

resource	yara_rule
behavioral1/memory/2908-92-0x0000000002460000-0x0000000002502000-memory.dmp	family_socks5systemz

pid	process
2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
2432	vixenjunior32.exe
2908	vixenjunior32.exe

Loads dropped DLL 5 IoCs

Processes:

8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp

pid	process
2068	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe
2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.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 45.155.250.90
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:

8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp

pid process

2680 8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp

description	pid	process	target process
PID 2068 wrote to memory of 2680	2068	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
PID 2068 wrote to memory of 2680	2068	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
PID 2068 wrote to memory of 2680	2068	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
PID 2068 wrote to memory of 2680	2068	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
PID 2068 wrote to memory of 2680	2068	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
PID 2068 wrote to memory of 2680	2068	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
PID 2068 wrote to memory of 2680	2068	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
PID 2680 wrote to memory of 2432	2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp	vixenjunior32.exe
PID 2680 wrote to memory of 2432	2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp	vixenjunior32.exe
PID 2680 wrote to memory of 2432	2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp	vixenjunior32.exe
PID 2680 wrote to memory of 2432	2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp	vixenjunior32.exe
PID 2680 wrote to memory of 2908	2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp	vixenjunior32.exe
PID 2680 wrote to memory of 2908	2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp	vixenjunior32.exe
PID 2680 wrote to memory of 2908	2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp	vixenjunior32.exe
PID 2680 wrote to memory of 2908	2680	8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp	vixenjunior32.exe

C:\Users\Admin\AppData\Local\Temp\8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe
"C:\Users\Admin\AppData\Local\Temp\8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2068

C:\Users\Admin\AppData\Local\Temp\is-GQIEO.tmp\8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
"C:\Users\Admin\AppData\Local\Temp\is-GQIEO.tmp\8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp" /SL5="$40150,5198346,54272,C:\Users\Admin\AppData\Local\Temp\8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2680

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:2432

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:2908

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
3.5MB

MD5
96afd5855f2858f656a2b4f623621dff

SHA1
b10a530d320f5ef0d9f78fe4b894c6cdc1823fe6

SHA256
eaec89967f063dfe2ec5eb5e81bfd6d54e7478fc1ddce5238bedb863e293ab16

SHA512
66af7bb7c6dcbfdb8d05c5a1bb0078883109e9fa18cd86a43fd509878e10ca2dd2d3bb202ac39458a99d182848a50af7845493bf23d2548fbf3ae96dabf96d4e

Download Submit
\Users\Admin\AppData\Local\Temp\is-F2QEA.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-F2QEA.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-GQIEO.tmp\8d423866aa8a3413b0e68bf48d3b34b7f50c744c3b923d2aff4931beefcafc1f.tmp
Filesize
680KB

MD5
fddb6f72f126578c0c2a7d3a62eafa25

SHA1
bbc9db04383e8bdceab8ca241ff8b9d865d2da8b

SHA256
68aaee79b2d80910719c70c2995c1b7f113e3fd972eeb36ca3f5159f655b366d

SHA512
3e957f6080a88157b7807f635bf72ac28de3e5568b68c091e5b10b3ff0c99e3d2d70b5c06f7d3650d9198f101d177584c7e2ac28938f63475117be4e306284cd

Download Submit
memory/2068-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2068-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2068-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2432-69-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2432-65-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2432-66-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2680-79-0x0000000004270000-0x00000000045F9000-memory.dmp

Filesize
3.5MB

Download
memory/2680-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2680-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2680-64-0x0000000004270000-0x00000000045F9000-memory.dmp

Filesize
3.5MB

Download
memory/2908-101-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-107-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-75-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-82-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-85-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-88-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-91-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-92-0x0000000002460000-0x0000000002502000-memory.dmp

Filesize
648KB

Download
memory/2908-98-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-71-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-104-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-78-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-110-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-113-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-117-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-120-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-123-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-126-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-129-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-132-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download
memory/2908-137-0x0000000000400000-0x0000000000789000-memory.dmp

Filesize
3.5MB

Download