socks5systemz | 95e217da4c184170c705e9ef317b5d8333713f4f91435d0964e0e2cea03100ab

Analysis

max time kernel
141s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2024 14:00

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General

Target

5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe
Size

5.0MB
MD5

f53c43c9227024edbc439ecf566fda66
SHA1

370fc3669327ae052eef8a2d06c20fbc9936d544
SHA256

5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e
SHA512

7d9e9e16585208ee8f94b59f57fedaa450169305821d5fc18c74eb5b1b8283706ffa6ecb53fe31aefc381e47f24108de844eb1f82ae05f2e5ae420ac9ed42d8a
SSDEEP

98304:+1OLumpHt8vXrNIatgG/aOa8sreegz/tSzzF0w9pJ9Bv+r7MCaNpPd1ZDlBx:pLnx8X+aS87hsg/tSzz6w/Bv+r7ho3X1

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

http://betddnp.com/search/?q=67e28dd8650ba020110ffe1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4be8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffa11c9ee949d3b

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral12/memory/3004-94-0x0000000002400000-0x00000000024A2000-memory.dmp	family_socks5systemz

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

Processes:

5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmpperfectmetronomesoftware.exeperfectmetronomesoftware.exe

pid process

3904 5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
2828 perfectmetronomesoftware.exe
3004 perfectmetronomesoftware.exe

Loads dropped DLL 3 IoCs

Processes:

5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp

pid	process
3904	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
3904	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
3904	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.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

description	ioc
Destination IP	141.98.234.31

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp

description	pid	process	target process
PID 4492 wrote to memory of 3904	4492	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
PID 4492 wrote to memory of 3904	4492	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
PID 4492 wrote to memory of 3904	4492	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
PID 3904 wrote to memory of 2828	3904	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 3904 wrote to memory of 2828	3904	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 3904 wrote to memory of 2828	3904	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 3904 wrote to memory of 3004	3904	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 3904 wrote to memory of 3004	3904	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 3904 wrote to memory of 3004	3904	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe

C:\Users\Admin\AppData\Local\Temp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe
"C:\Users\Admin\AppData\Local\Temp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4492

C:\Users\Admin\AppData\Local\Temp\is-1CFKL.tmp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-1CFKL.tmp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp" /SL5="$4021E,4947245,54272,C:\Users\Admin\AppData\Local\Temp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3904

C:\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe
"C:\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe" -i
3⤵
- Executes dropped EXE
PID:2828

C:\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe
"C:\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe" -s
3⤵
- Executes dropped EXE
PID:3004

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Perfect Metronome Software\libeay32.dll
Filesize
2.0MB

MD5
1176a2fcbc3cfb77207db7575dd6a522

SHA1
e0a854c77a65e542712c9fe3feae2331fcddb7f4

SHA256
553200e21658e7976d496c52cc1aeb50446b877ccda4f0b073a553ec3fb48560

SHA512
bb00340e4931342c4db499d68e98542f401a985c062810225ee661a7a289a885dab8c64f37fb231212ad2a5d703f3fd0528e8402fc1033cf4128d075714e3f34

Download Submit
C:\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe
Filesize
1.9MB

MD5
92035651fbf04ad1c00023a334e70e6c

SHA1
e5165a1fb493ee142d827f0cfe5c4a92083dd02d

SHA256
eadedaf02c672a2619da40fd56bbf9282484879573ae4fb6ecbc84fc78f4843b

SHA512
5a94f57389c4c10a7f75ff2c3c118468817d9d5e38bb02bef405355890881feb209a2679e6f9527b6335420ba5b5f73ceaec98ab0661b991a50b0166ae5bd810

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-1A54M.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-1A54M.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-1CFKL.tmp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
Filesize
695KB

MD5
db24444fa47ba3dbc4c3dede3cb968f0

SHA1
688e63a78c63230b6cc61e4fab772ade1e90ff84

SHA256
09898f414e1897a826e277b39c53326cd6761b0f984bf2626d86878b0f961a46

SHA512
5ab5d5eebd5f34fa580e86a21bfdde0e9382d906449ab67acb4d9e7767bdca81cb6701aa2b88cd27414f134977db329b7ea3ae9b412b623427222b052bc771e9

Download Submit
memory/2828-67-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/2828-71-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/2828-65-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/2828-66-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-95-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-94-0x0000000002400000-0x00000000024A2000-memory.dmp

Filesize
648KB

Download
memory/3004-123-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-75-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-120-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-116-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-78-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-81-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-84-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-87-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-90-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-113-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-110-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-101-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-104-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3004-107-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3904-10-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3904-77-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4492-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4492-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4492-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

pid	process
3904	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
2828	perfectmetronomesoftware.exe
3004	perfectmetronomesoftware.exe