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

bhvuqgn.com

http://bhvuqgn.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ed9d9932

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1856-82-0x00000000009A0000-0x0000000000A42000-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

2236 0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
1032 mediaplayerrptuning.exe
1856 mediaplayerrptuning.exe
Loads dropped DLL 1 IoCs

Processes:

0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp

pid process

2236 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

2236 0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp

pid	process
2236	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
1032	mediaplayerrptuning.exe
1856	mediaplayerrptuning.exe

pid	process
2236	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
2236	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp

description	pid	process	target process
PID 2584 wrote to memory of 2236	2584	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
PID 2584 wrote to memory of 2236	2584	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
PID 2584 wrote to memory of 2236	2584	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
PID 2236 wrote to memory of 1032	2236	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2236 wrote to memory of 1032	2236	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2236 wrote to memory of 1032	2236	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2236 wrote to memory of 1856	2236	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2236 wrote to memory of 1856	2236	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe
PID 2236 wrote to memory of 1856	2236	0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp	mediaplayerrptuning.exe

C:\Users\Admin\AppData\Local\Temp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe
"C:\Users\Admin\AppData\Local\Temp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2584

C:\Users\Admin\AppData\Local\Temp\is-QMUB9.tmp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-QMUB9.tmp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp" /SL5="$B01CE,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:2236

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:1032

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:1856

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\Media Player RPTuning\mediaplayerrptuning.exe
Filesize
2.5MB

MD5
10175f413d9b508303983ca8c04f5c55

SHA1
2f47e3f14ee3dfc767a0cc76efd39e4932b8c2ec

SHA256
f0cf98ff077e9ce0887697fc491d4e1f76b848259f30ef7163297d5a49b688a4

SHA512
6c225091ec2782bd8f4a20720d1aecf4fc81adf7d0cc8fe8a3968b5e1111415185614b60b282d80eafc4b0661e4d0fed804dde933c0edc07e336ad6c81cc7efd

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QMUB9.tmp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
Filesize
680KB

MD5
12bd52863ce8caab2b074597fb8a4c39

SHA1
633593211521e96595d159534d0aface22c6d63e

SHA256
355091e8a0d469daf2121e029e8179507c2c5799a7e1f691e03c147b2189091f

SHA512
414644a1dee4f6d05ea2c557b6ff4bebd37bd7fecb38182a2ea373f2657c82836ea5055569a8450079b07826608507059413e49581ee51dd88b6068b4c1f8d28

Download Submit
\Users\Admin\AppData\Local\Temp\is-U8C46.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1032-60-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1032-64-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1032-61-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-78-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-94-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-130-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-125-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-122-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-69-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-72-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-75-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-119-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-81-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-82-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/1856-86-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-91-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-116-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-97-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-100-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-103-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-107-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-110-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1856-113-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/2236-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2236-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2584-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2584-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2584-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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