socks5systemz | 95e217da4c184170c705e9ef317b5d8333713f4f91435d0964e0e2cea03100ab

Analysis

max time kernel
142s
max time network
129s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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://ccskvzm.net/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a628ef610c1e990

http://ccskvzm.net/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12eab517aa5c96bd86e99d874f865a8bbc896c58e713bc90c91b36b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c5ef9c9b3acb6a

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral11/memory/3000-97-0x0000000002150000-0x00000000021F2000-memory.dmp	family_socks5systemz
behavioral11/memory/3000-119-0x0000000002150000-0x00000000021F2000-memory.dmp	family_socks5systemz
behavioral11/memory/3000-120-0x0000000002150000-0x00000000021F2000-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

1276 5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
2416 perfectmetronomesoftware.exe
3000 perfectmetronomesoftware.exe

pid	process
1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
2416	perfectmetronomesoftware.exe
3000	perfectmetronomesoftware.exe

Loads dropped DLL 6 IoCs

Processes:

5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp

pid	process
2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe
1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
1276	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 152.89.198.214
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	152.89.198.214

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp

description	pid	process	target process
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
PID 1276 wrote to memory of 2416	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 1276 wrote to memory of 2416	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 1276 wrote to memory of 2416	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 1276 wrote to memory of 2416	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 1276 wrote to memory of 3000	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 1276 wrote to memory of 3000	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 1276 wrote to memory of 3000	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe
PID 1276 wrote to memory of 3000	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	perfectmetronomesoftware.exe

C:\Users\Admin\AppData\Local\Temp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe
"C:\Users\Admin\AppData\Local\Temp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2036

C:\Users\Admin\AppData\Local\Temp\is-FUON2.tmp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-FUON2.tmp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp" /SL5="$5014E,4947245,54272,C:\Users\Admin\AppData\Local\Temp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1276

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:2416

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:3000

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
\Users\Admin\AppData\Local\Perfect Metronome Software\perfectmetronomesoftware.exe
Filesize
1.9MB

MD5
92035651fbf04ad1c00023a334e70e6c

SHA1
e5165a1fb493ee142d827f0cfe5c4a92083dd02d

SHA256
eadedaf02c672a2619da40fd56bbf9282484879573ae4fb6ecbc84fc78f4843b

SHA512
5a94f57389c4c10a7f75ff2c3c118468817d9d5e38bb02bef405355890881feb209a2679e6f9527b6335420ba5b5f73ceaec98ab0661b991a50b0166ae5bd810

Download Submit
\Users\Admin\AppData\Local\Temp\is-BF4DV.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-BF4DV.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-BF4DV.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-FUON2.tmp\5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp
Filesize
695KB

MD5
db24444fa47ba3dbc4c3dede3cb968f0

SHA1
688e63a78c63230b6cc61e4fab772ade1e90ff84

SHA256
09898f414e1897a826e277b39c53326cd6761b0f984bf2626d86878b0f961a46

SHA512
5ab5d5eebd5f34fa580e86a21bfdde0e9382d906449ab67acb4d9e7767bdca81cb6701aa2b88cd27414f134977db329b7ea3ae9b412b623427222b052bc771e9

Download Submit
memory/1276-16-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1276-67-0x0000000003200000-0x00000000033ED000-memory.dmp

Filesize
1.9MB

Download
memory/1276-83-0x0000000003200000-0x00000000033ED000-memory.dmp

Filesize
1.9MB

Download
memory/1276-79-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2036-78-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2036-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2036-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2416-68-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/2416-69-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/2416-73-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/2416-72-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-97-0x0000000002150000-0x00000000021F2000-memory.dmp

Filesize
648KB

Download
memory/3000-106-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-84-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-87-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-90-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-93-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-96-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-76-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-103-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-80-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-109-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-112-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-115-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-118-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-119-0x0000000002150000-0x00000000021F2000-memory.dmp

Filesize
648KB

Download
memory/3000-120-0x0000000002150000-0x00000000021F2000-memory.dmp

Filesize
648KB

Download
memory/3000-124-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/3000-127-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download