socks5systemz | b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 19:20

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General

Target

b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe
Size

5.0MB
MD5

67c79b9ee49e85455c16c661b0c3888d
SHA1

6bfb29d8752bd13e7384121017511fba4f586b23
SHA256

b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8
SHA512

5f96fc3c72731675c50062a3a09e45bc67e1d6a43169c5d10a0da6d11f5343a0cffe97ce670b571254894c35b4a2dfc9f65ca3954f4a938314d3541a1ef3be71
SSDEEP

98304:Coo8nA+HvBCv/HB4HwEpAZlL/nwk9pLBhEHF1XwV3nQm+XOQx7:E+PB8pOlOf/nwkzEPc3nnQt

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/5040-88-0x0000000000AC0000-0x0000000000B62000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmpvixenjunior32.exevixenjunior32.exe

pid process

2556 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp
1404 vixenjunior32.exe
5040 vixenjunior32.exe
Loads dropped DLL 1 IoCs

Processes:

b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp

pid process

2556 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.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:

b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp

pid process

2556 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp

resource	yara_rule
behavioral2/memory/5040-88-0x0000000000AC0000-0x0000000000B62000-memory.dmp	family_socks5systemz

pid	process
2556	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp
1404	vixenjunior32.exe
5040	vixenjunior32.exe

pid	process
2556	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
2556	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exeb8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp

description	pid	process	target process
PID 1428 wrote to memory of 2556	1428	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp
PID 1428 wrote to memory of 2556	1428	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp
PID 1428 wrote to memory of 2556	1428	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp
PID 2556 wrote to memory of 1404	2556	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp	vixenjunior32.exe
PID 2556 wrote to memory of 1404	2556	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp	vixenjunior32.exe
PID 2556 wrote to memory of 1404	2556	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp	vixenjunior32.exe
PID 2556 wrote to memory of 5040	2556	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp	vixenjunior32.exe
PID 2556 wrote to memory of 5040	2556	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp	vixenjunior32.exe
PID 2556 wrote to memory of 5040	2556	b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp	vixenjunior32.exe

C:\Users\Admin\AppData\Local\Temp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe
"C:\Users\Admin\AppData\Local\Temp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1428

C:\Users\Admin\AppData\Local\Temp\is-SJAK4.tmp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SJAK4.tmp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp" /SL5="$4022E,5020597,54272,C:\Users\Admin\AppData\Local\Temp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2556

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:1404

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:5040

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
2ee02fbeb564cf8d852dc4680ba03096

SHA1
007d637b245303fd1aa698f480c0fd406e4ede3d

SHA256
055a5c3933575d037f94ba0e823dd13170ba50e0b8dda618bc05607b4b746bfb

SHA512
8b068c0b963bbf86f0ea3c0d518e02da009573167305ac97f0944d6a8b4b1cea75ac3e04093fa3baabe819907f2cbd211f6dcd616c6efd25c9f848118047a373

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8EAV4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SJAK4.tmp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp
Filesize
680KB

MD5
fddb6f72f126578c0c2a7d3a62eafa25

SHA1
bbc9db04383e8bdceab8ca241ff8b9d865d2da8b

SHA256
68aaee79b2d80910719c70c2995c1b7f113e3fd972eeb36ca3f5159f655b366d

SHA512
3e957f6080a88157b7807f635bf72ac28de3e5568b68c091e5b10b3ff0c99e3d2d70b5c06f7d3650d9198f101d177584c7e2ac28938f63475117be4e306284cd

Download Submit
memory/1404-59-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1404-63-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1404-60-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1404-65-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/1428-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1428-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1428-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2556-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2556-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5040-72-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-91-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-67-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-75-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-76-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-79-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-82-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-85-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-88-0x0000000000AC0000-0x0000000000B62000-memory.dmp

Filesize
648KB

Download
memory/5040-69-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-96-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-99-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-102-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-105-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-108-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-111-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-115-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/5040-118-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download