socks5systemz | 420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365

General

Target

420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe
Size

5.2MB
MD5

253e324d58c3a337d3e4eb594debc611
SHA1

462c847edc0d7b2f9a2a4bb352e31c09c6658521
SHA256

420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365
SHA512

152fa74ce37f89aa2710aaf45a19cfc330336ca0c6c5a5bc27a27719a5291099817995cdd044c620b724e430ede031fdc1c1bfa31a803f672cb92e8234b717d4
SSDEEP

98304:+P6cR94aMSjhhZ2GVx+DUU4sSWUz5b3rHhmGfSkXHo8OKGUGBAUCWXadwU9XZUfL:+j6ahtJVwUMUdfHht9OKGjt0wUdm1X9

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bmsuahq.com

http://bmsuahq.com/search/?q=67e28dd8685cf679160da41e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658dfc16c3ef97

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2880-100-0x0000000002510000-0x00000000025B2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp
2252	tunejenimmusicconverter.exe
2880	tunejenimmusicconverter.exe

Loads dropped DLL 6 IoCs

pid	Process
2044	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe
1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp
1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp
1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp
1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp
1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.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	141.98.234.31	2880	tunejenimmusicconverter.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

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	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tunejenimmusicconverter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tunejenimmusicconverter.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 1236	2044	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe	30
PID 2044 wrote to memory of 1236	2044	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe	30
PID 2044 wrote to memory of 1236	2044	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe	30
PID 2044 wrote to memory of 1236	2044	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe	30
PID 2044 wrote to memory of 1236	2044	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe	30
PID 2044 wrote to memory of 1236	2044	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe	30
PID 2044 wrote to memory of 1236	2044	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe	30
PID 1236 wrote to memory of 2252	1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp	31
PID 1236 wrote to memory of 2252	1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp	31
PID 1236 wrote to memory of 2252	1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp	31
PID 1236 wrote to memory of 2252	1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp	31
PID 1236 wrote to memory of 2880	1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp	32
PID 1236 wrote to memory of 2880	1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp	32
PID 1236 wrote to memory of 2880	1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp	32
PID 1236 wrote to memory of 2880	1236	420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp	32

C:\Users\Admin\AppData\Local\Temp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe
"C:\Users\Admin\AppData\Local\Temp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Users\Admin\AppData\Local\Temp\is-HLKIQ.tmp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-HLKIQ.tmp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp" /SL5="$40152,5237355,54272,C:\Users\Admin\AppData\Local\Temp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Users\Admin\AppData\Local\Tune Jenim Music Converter\tunejenimmusicconverter.exe
    "C:\Users\Admin\AppData\Local\Tune Jenim Music Converter\tunejenimmusicconverter.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2252
- - C:\Users\Admin\AppData\Local\Tune Jenim Music Converter\tunejenimmusicconverter.exe
    "C:\Users\Admin\AppData\Local\Tune Jenim Music Converter\tunejenimmusicconverter.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:2880

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 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

C:\Users\Admin\AppData\Local\Tune Jenim Music Converter\libeay32.dll

Filesize
2.3MB

MD5
5afad5dd0bae7f01c2be79f9f168c9e8

SHA1
553fe32e9cc002b3357c11de74478b85b04657bc

SHA256
4c5c6debe9453f0343f163aa72b7049f3167bc08d3b2d549fcabc4ee6bfbafcd

SHA512
3f78196965db2fa5f6a13fecd9d93abbbaafaa52a6b43e8bd957d3b1e52bc3930db2d72e79cd34315f56b9758ed37a5d6b122533351d90296abfe8ca7f62fb3f

Download Submit
\Users\Admin\AppData\Local\Temp\is-HLKIQ.tmp\420937a5f19ae02fc11ba9407ba4560e2298131fafbc3d19e5267e9a67630365.tmp

Filesize
695KB

MD5
192d1bbcb8a9057a375c9dead4ea259e

SHA1
24b743484e1c8d6d88c4b5a9ab01e6e722d4344d

SHA256
e39119fddd878b2c0652bc52a65ce8cfc21bde1fe7b4556948a5030446a3c86a

SHA512
926daf8b618a2374e527735c67e0e233486bba236de5ac2d231b3427b841a97600b1b846df2c1749c988814a1e045099dbe26a1937a9d2291c9d5ef8746b0d44

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Tune Jenim Music Converter\tunejenimmusicconverter.exe

Filesize
2.7MB

MD5
b09197c9294a53e5d6fcb4eab3a8e5d6

SHA1
b55819aeaed90230b8de465ea3f8a30c23cb8079

SHA256
08bc72989be9f1b6167d7990f049d687086822d78f57483301d553f812b9f946

SHA512
19a7209cc05de7840416f41d018bdba3e64a347fc860c6fed063120a52685df52e122a1a173e25441cae719576b1b2781313175dcf8bafab8255abe957240fec

Download Submit
memory/1236-19-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1236-66-0x00000000034B0000-0x0000000003767000-memory.dmp

Filesize
2.7MB

Download
memory/1236-82-0x00000000034B0000-0x0000000003767000-memory.dmp

Filesize
2.7MB

Download
memory/1236-78-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2044-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2044-80-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2044-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2252-70-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2252-74-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2252-69-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2252-68-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-84-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-112-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-83-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-87-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-90-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-93-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-96-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-99-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-100-0x0000000002510000-0x00000000025B2000-memory.dmp

Filesize
648KB

Download
memory/2880-106-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-109-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-77-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-115-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-118-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-121-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-125-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-128-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-131-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-134-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-137-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-140-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download
memory/2880-145-0x0000000000400000-0x00000000006B7000-memory.dmp

Filesize
2.7MB

Download

Analysis

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