socks5systemz | 57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454

Analysis

max time kernel
144s
max time network
130s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 22:48

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General

Target

57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe
Size

3.4MB
MD5

6a770232dbbc4c6951b19f1c61bab59c
SHA1

0e4d952ee812ab1c4024cd20099742f898577c76
SHA256

57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454
SHA512

e230ee1b7bbdcf519fa1d96df16575b24905a7bad6955d5df1e833112cb9c4cc23e79aff9485b95f436acf83c9e1ffba139c023c954556c493d66081ca049a2e
SSDEEP

49152:T2r5FA7K1OopyYq0JunYOfFy0PzqIZG9p6zM7ikvPURaH3XE4hX86tGoWrrKUTdq:ar52zY40My0bAHvsAH//Wrf/kDd

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

Attributes

rc4_key
i4hiea56#7b&dfw3

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2664-92-0x0000000002B00000-0x0000000002BAD000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 3 IoCs

Processes:

57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmpVolumeUTIL.exeVolumeUTIL.exe

pid	Process
1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
2916	VolumeUTIL.exe
2664	VolumeUTIL.exe

Loads dropped DLL 6 IoCs

Processes:

57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp

pid	Process
2156	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe
1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.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

Drops file in Program Files directory 19 IoCs

Processes:

57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-35B9C.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\UIText\is-B60I2.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File opened for modification	C:\Program Files (x86)\Common Files\VolumeUTIL\VolumeUTIL.exe	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\unins000.dat	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-PHA8R.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-8SVA0.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\UIText\is-LMK9V.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-HEM3P.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-K1CL4.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-GBGLS.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-9BGB4.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-TVKFO.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-ANMRS.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File opened for modification	C:\Program Files (x86)\Common Files\VolumeUTIL\unins000.dat	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-O6TLM.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-P3U8R.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-8QJMB.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-3GLCG.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
File created	C:\Program Files (x86)\Common Files\VolumeUTIL\is-D6T2V.tmp	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmpschtasks.exeVolumeUTIL.exeVolumeUTIL.exenet.exenet1.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VolumeUTIL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VolumeUTIL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmpnet.exe

description	pid	Process	procid_target
PID 2156 wrote to memory of 1432	2156	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe	30
PID 2156 wrote to memory of 1432	2156	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe	30
PID 2156 wrote to memory of 1432	2156	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe	30
PID 2156 wrote to memory of 1432	2156	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe	30
PID 2156 wrote to memory of 1432	2156	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe	30
PID 2156 wrote to memory of 1432	2156	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe	30
PID 2156 wrote to memory of 1432	2156	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe	30
PID 1432 wrote to memory of 2616	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	31
PID 1432 wrote to memory of 2616	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	31
PID 1432 wrote to memory of 2616	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	31
PID 1432 wrote to memory of 2616	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	31
PID 1432 wrote to memory of 2916	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	33
PID 1432 wrote to memory of 2916	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	33
PID 1432 wrote to memory of 2916	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	33
PID 1432 wrote to memory of 2916	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	33
PID 1432 wrote to memory of 2832	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	34
PID 1432 wrote to memory of 2832	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	34
PID 1432 wrote to memory of 2832	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	34
PID 1432 wrote to memory of 2832	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	34
PID 1432 wrote to memory of 2664	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	35
PID 1432 wrote to memory of 2664	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	35
PID 1432 wrote to memory of 2664	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	35
PID 1432 wrote to memory of 2664	1432	57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp	35
PID 2832 wrote to memory of 2652	2832	net.exe	37
PID 2832 wrote to memory of 2652	2832	net.exe	37
PID 2832 wrote to memory of 2652	2832	net.exe	37
PID 2832 wrote to memory of 2652	2832	net.exe	37

C:\Users\Admin\AppData\Local\Temp\57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe
"C:\Users\Admin\AppData\Local\Temp\57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\is-UMHVS.tmp\57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-UMHVS.tmp\57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp" /SL5="$3012C,3304892,54272,C:\Users\Admin\AppData\Local\Temp\57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1432
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Query
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2616
- - C:\Program Files (x86)\Common Files\VolumeUTIL\VolumeUTIL.exe
    "C:\Program Files (x86)\Common Files\VolumeUTIL\VolumeUTIL.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2916
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" helpmsg 29
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2832
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 29
      4⤵
      System Location Discovery: System Language Discovery
      PID:2652
- - C:\Program Files (x86)\Common Files\VolumeUTIL\VolumeUTIL.exe
    "C:\Program Files (x86)\Common Files\VolumeUTIL\VolumeUTIL.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Program Files (x86)\Common Files\VolumeUTIL\VolumeUTIL.exe

Filesize
2.9MB

MD5
de11086ada8a65c306cdbd174b819b3f

SHA1
1526ea71df855ad981ea828793cec721a217624d

SHA256
78481f5ea5ca959500f26a4e772a8ee929efe00ba38aa711039694855de7f273

SHA512
693f747003a67706c4c840f3a76812c37a8990c576aa098450091a2d4993b1de5555bc6e20607cb3052816fffb82a4534856ce13f525dbff9073e20428b2b5de

Download Submit
\Users\Admin\AppData\Local\Temp\is-07N89.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-07N89.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-07N89.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-UMHVS.tmp\57f2195210fd9ce99f17e877247bf55cf02e5be94ca7f49284186e4e1639e454.tmp

Filesize
694KB

MD5
5525670a9e72d77b368a9aa4b8c814c1

SHA1
3fdad952ea00175f3a6e549b5dca4f568e394612

SHA256
1180706added2a7899f08f25a9f88ecff5d003ba8964f918d00779565e4a6978

SHA512
757249f7e67f82522a8e3079a22c5cf92111626446a32ad3ef876f23885f62d1bb5bf3238d564e23531d062fe18742568dfc00e33b049bb8eef05eb953ef981a

Download Submit
memory/1432-61-0x0000000003290000-0x000000000357D000-memory.dmp

Filesize
2.9MB

Download
memory/1432-72-0x0000000003290000-0x000000000357D000-memory.dmp

Filesize
2.9MB

Download
memory/1432-12-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1432-71-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2156-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2156-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2156-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2664-91-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-92-0x0000000002B00000-0x0000000002BAD000-memory.dmp

Filesize
692KB

Download
memory/2664-119-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-76-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-79-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-82-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-85-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-88-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-116-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-112-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-97-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-100-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-103-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-106-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2664-109-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2916-63-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2916-64-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/2916-68-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download