socks5systemz | 0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a

General

Target

0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe
Size

4.6MB
MD5

e4b2f2a2099e9e5a48bffdcc4690f53d
SHA1

8adb113e32971528002bb2840ed97721868311b1
SHA256

0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a
SHA512

494c8aa7e370b85260d880ead1d6cd8e7618ed96d13f2cd0d4bb89a0d1cf4f059872c545ca5ef56f9274496c1a8a8445139283b423942121b3e279f98255870b
SSDEEP

98304:mvG7MtXLLAL9NdnYwhmM6AU+XS2KdpZFAT/RCZfV+s:EGcXLsL9bYwkXA9S2QZe1CZf4s

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dicuskx.info

http://dicuskx.info/search/?q=67e28dd86509f67a4206fe1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa45e8889b5e4fa9281ae978f171ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd13c8eb95

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2652-91-0x00000000027E0000-0x0000000002882000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmpmediaplayerrptuning.exemediaplayerrptuning.exe

pid process

2388 0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
2824 mediaplayerrptuning.exe
2652 mediaplayerrptuning.exe

pid	process
2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
2824	mediaplayerrptuning.exe
2652	mediaplayerrptuning.exe

Loads dropped DLL 5 IoCs

Processes:

0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp

pid	process
2336	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe
2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.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 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:

0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp

pid process

2388 0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp

description	pid	process	target process
PID 2336 wrote to memory of 2388	2336	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
PID 2336 wrote to memory of 2388	2336	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
PID 2336 wrote to memory of 2388	2336	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
PID 2336 wrote to memory of 2388	2336	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
PID 2336 wrote to memory of 2388	2336	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
PID 2336 wrote to memory of 2388	2336	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
PID 2336 wrote to memory of 2388	2336	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
PID 2388 wrote to memory of 2824	2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2388 wrote to memory of 2824	2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2388 wrote to memory of 2824	2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2388 wrote to memory of 2824	2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2388 wrote to memory of 2652	2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2388 wrote to memory of 2652	2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2388 wrote to memory of 2652	2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2388 wrote to memory of 2652	2388	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe

C:\Users\Admin\AppData\Local\Temp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe
"C:\Users\Admin\AppData\Local\Temp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2336

C:\Users\Admin\AppData\Local\Temp\is-CMLNE.tmp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-CMLNE.tmp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp" /SL5="$400F4,4524032,54272,C:\Users\Admin\AppData\Local\Temp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2388

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -i
3⤵
- Executes dropped EXE
PID:2824

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -s
3⤵
- Executes dropped EXE
PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

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-CMLNE.tmp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
Filesize
680KB

MD5
12bd52863ce8caab2b074597fb8a4c39

SHA1
633593211521e96595d159534d0aface22c6d63e

SHA256
355091e8a0d469daf2121e029e8179507c2c5799a7e1f691e03c147b2189091f

SHA512
414644a1dee4f6d05ea2c557b6ff4bebd37bd7fecb38182a2ea373f2657c82836ea5055569a8450079b07826608507059413e49581ee51dd88b6068b4c1f8d28

Download Submit
\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
Filesize
2.5MB

MD5
10175f413d9b508303983ca8c04f5c55

SHA1
2f47e3f14ee3dfc767a0cc76efd39e4932b8c2ec

SHA256
f0cf98ff077e9ce0887697fc491d4e1f76b848259f30ef7163297d5a49b688a4

SHA512
6c225091ec2782bd8f4a20720d1aecf4fc81adf7d0cc8fe8a3968b5e1111415185614b60b282d80eafc4b0661e4d0fed804dde933c0edc07e336ad6c81cc7efd

Download Submit
\Users\Admin\AppData\Local\Temp\is-82P69.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-82P69.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2336-72-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2336-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2336-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2388-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2388-65-0x00000000042B0000-0x0000000004535000-memory.dmp

Filesize
2.5MB

Download
memory/2388-75-0x00000000042B0000-0x0000000004535000-memory.dmp

Filesize
2.5MB

Download
memory/2388-73-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2652-106-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-100-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-74-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-136-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-78-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-81-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-84-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-87-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-90-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-91-0x00000000027E0000-0x0000000002882000-memory.dmp

Filesize
648KB

Download
memory/2652-97-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-131-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-103-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-128-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-109-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-112-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-116-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-119-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-122-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2652-125-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2824-66-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2824-69-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2824-67-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads