socks5systemz | 2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d

General

Target

2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe
Size

4.0MB
MD5

e0fe012f1b4e9cc9bc2d1f2c093f0221
SHA1

b91b7bf760db8fa2dbd1a6084575dc2a8b21904d
SHA256

2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d
SHA512

2373965ac8706dfa037b13b1ca683e5aa3869758dce2ff74ce229fe953aff049b1a9c402c574975ae384e33a8d18d5b411fce11006eef3729778563b91229cad
SSDEEP

98304:C4++Niesif6UR4ehJOcK7gzfYbP0oLC47n+g7CQxE:Drke/hJWJtlCQG

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

beewxyy.com

http://beewxyy.com/search/?q=67e28dd83e55a37d1508fa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4be8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658dfc16c1eb96

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/3000-73-0x0000000002360000-0x0000000002402000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp
3068	soundvolume.exe
3000	soundvolume.exe

Loads dropped DLL 5 IoCs

pid	Process
2280	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe
2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp
2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp
2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp
2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.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	flow	ioc	pid	Process
Destination IP	2	45.155.250.90	3000	soundvolume.exe

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

System Location Discovery: System Language Discovery 1 TTPs 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	soundvolume.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	soundvolume.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2880	2280	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe	28
PID 2280 wrote to memory of 2880	2280	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe	28
PID 2280 wrote to memory of 2880	2280	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe	28
PID 2280 wrote to memory of 2880	2280	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe	28
PID 2280 wrote to memory of 2880	2280	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe	28
PID 2280 wrote to memory of 2880	2280	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe	28
PID 2280 wrote to memory of 2880	2280	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe	28
PID 2880 wrote to memory of 3068	2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	29
PID 2880 wrote to memory of 3068	2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	29
PID 2880 wrote to memory of 3068	2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	29
PID 2880 wrote to memory of 3068	2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	29
PID 2880 wrote to memory of 3000	2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	30
PID 2880 wrote to memory of 3000	2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	30
PID 2880 wrote to memory of 3000	2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	30
PID 2880 wrote to memory of 3000	2880	2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp	30

C:\Users\Admin\AppData\Local\Temp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe
"C:\Users\Admin\AppData\Local\Temp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\is-5DTS7.tmp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-5DTS7.tmp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp" /SL5="$4010A,3881320,54272,C:\Users\Admin\AppData\Local\Temp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe
    "C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3068
- - C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe
    "C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe

Filesize
2.9MB

MD5
c1825bcb853140deb37a75b239c7e26d

SHA1
de326abc3f0045a4291f8bd922c1379c6dce323e

SHA256
60b5aad1fe5313e148b00ff5d84cf916fa296f2a5f59dee8a7616df626fdd629

SHA512
8307c0fc6290917149c84275dc7e05de6343ee8452b74b87d4f1511072629d158dbde85693f5d06cc88feb24f7bd3cd02b8e1ba9aed942fa8d0f249ccd93fc88

Download Submit
\Users\Admin\AppData\Local\Temp\is-5DTS7.tmp\2eda060aecf449871d3727f48dc3decbbc51574cfabf11dda96858c11b47a28d.tmp

Filesize
680KB

MD5
6e8a6870c7b7cca7857274c12319be79

SHA1
670cb59240dcf402572bac9afa413530f4126248

SHA256
18b2e6e055099ecdee8aa2cdca0d19d18bb3bb0f6db8725cf0fc0d39f95813fc

SHA512
8f4dd62e1b8be2dd4b3178f7267c7898c26e2466826c93eaff817fc0b08d926671e2e620fb341516d72b90b2519710e8b6354afccf2c777d7148cae8e521a037

Download Submit
\Users\Admin\AppData\Local\Temp\is-IO5NI.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-IO5NI.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2280-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2280-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2280-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-52-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2880-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2880-43-0x0000000003710000-0x00000000039F0000-memory.dmp

Filesize
2.9MB

Download
memory/2880-53-0x0000000003710000-0x00000000039F0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-85-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-79-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-118-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-56-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-57-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-60-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-63-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-66-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-69-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-72-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-73-0x0000000002360000-0x0000000002402000-memory.dmp

Filesize
648KB

Download
memory/3000-113-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-82-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-110-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-88-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-91-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-94-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-98-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-101-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-104-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3000-107-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3068-45-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3068-49-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download
memory/3068-46-0x0000000000400000-0x00000000006E0000-memory.dmp

Filesize
2.9MB

Download

Analysis

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