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

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

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

Loads dropped DLL 6 IoCs

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.

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

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	28
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	28
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	28
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	28
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	28
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	28
PID 2036 wrote to memory of 1276	2036	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.exe	28
PID 1276 wrote to memory of 2416	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	29
PID 1276 wrote to memory of 2416	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	29
PID 1276 wrote to memory of 2416	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	29
PID 1276 wrote to memory of 2416	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	29
PID 1276 wrote to memory of 3000	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	30
PID 1276 wrote to memory of 3000	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	30
PID 1276 wrote to memory of 3000	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	30
PID 1276 wrote to memory of 3000	1276	5401a3332d6bf674b3a25eb23745edd09f943284aa4448f9eb6c53620027f28e.tmp	30

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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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