socks5systemz | e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8

General

Target

e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe
Size

4.6MB
MD5

79a0c9dd169084bbda8e90902c362dee
SHA1

0c33e09255aa26c031b535843e444a9050d0ccd1
SHA256

e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8
SHA512

9daf6108b4ae0ab0a592ac4d25cf0230ab4a72aedc9bc669e6bd29fbed11d19e39bbda5d514f62e96fff3b240bd996ed99523929e59980f4f19908db982948a2
SSDEEP

98304:mEnjMtTpIKKkfaynwB2vG8ttceYfBA+rxNmFnaQx:3MBCKoynwB2NttceYfBA+rxNGa0

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

benkcsx.com

http://benkcsx.com/search/?q=67e28dd86509f67a4206fe1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa45e8889b5e4fa9281ae978f171ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfd12c7ee92

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2492-93-0x0000000002620000-0x00000000026C2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmpvirtualsoundcard32.exevirtualsoundcard32.exe

pid process

2912 e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
2616 virtualsoundcard32.exe
2492 virtualsoundcard32.exe

pid	process
2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
2616	virtualsoundcard32.exe
2492	virtualsoundcard32.exe

Loads dropped DLL 5 IoCs

Processes:

e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exee582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp

pid	process
2036	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe
2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp

pid process

2912 e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exee582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp

description	pid	process	target process
PID 2036 wrote to memory of 2912	2036	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
PID 2036 wrote to memory of 2912	2036	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
PID 2036 wrote to memory of 2912	2036	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
PID 2036 wrote to memory of 2912	2036	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
PID 2036 wrote to memory of 2912	2036	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
PID 2036 wrote to memory of 2912	2036	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
PID 2036 wrote to memory of 2912	2036	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
PID 2912 wrote to memory of 2616	2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp	virtualsoundcard32.exe
PID 2912 wrote to memory of 2616	2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp	virtualsoundcard32.exe
PID 2912 wrote to memory of 2616	2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp	virtualsoundcard32.exe
PID 2912 wrote to memory of 2616	2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp	virtualsoundcard32.exe
PID 2912 wrote to memory of 2492	2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp	virtualsoundcard32.exe
PID 2912 wrote to memory of 2492	2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp	virtualsoundcard32.exe
PID 2912 wrote to memory of 2492	2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp	virtualsoundcard32.exe
PID 2912 wrote to memory of 2492	2912	e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp	virtualsoundcard32.exe

C:\Users\Admin\AppData\Local\Temp\e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe
"C:\Users\Admin\AppData\Local\Temp\e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2036

C:\Users\Admin\AppData\Local\Temp\is-1A0IG.tmp\e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
"C:\Users\Admin\AppData\Local\Temp\is-1A0IG.tmp\e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp" /SL5="$30140,4581458,54272,C:\Users\Admin\AppData\Local\Temp\e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2912

C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe
"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe" -i
3⤵
- Executes dropped EXE
PID:2616

C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe
"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe" -s
3⤵
- Executes dropped EXE
PID:2492

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\is-1A0IG.tmp\e582cc4c7f73762deb1f0e1fb34b168484062dc10c3e073e0c4edd677553fdd8.tmp
Filesize
680KB

MD5
6d75c2498ef0af9a91b71d0d81d1b95e

SHA1
1476ec8e947af9a397658bec20b17854042cc0c3

SHA256
468db6dd9e5c87c34d9cb7e56ddbfaf068bbe44436fa2cfc2ada8029051e4bee

SHA512
bdc9b460a463da60c019eda9dd40929a61e77081b699d6c3a4c05309280252f7493015cf463243ff9dd3e20ddd324db39a8697f312fabfea64c78aed9ddb5027

Download Submit
\Users\Admin\AppData\Local\Temp\is-FOKU4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-FOKU4.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe
Filesize
2.7MB

MD5
0ba5bcd4d3c7b1a0f45b48b24263c771

SHA1
4cad1fb837415f61f25865a457426ca40a4ea1c1

SHA256
a110cc6eac20645c6a0923d7608eeb82612353df742c186e2cb84f5ddcece34a

SHA512
9a639de1b1ac1a3c6784d7ba4b9b6a39536f41a0a294e20f63aa0dbb18bb9d6a922c48f8b3d3c633aff374ddb2b07dc9f877d2a9d63eadc69cb481ee77098956

Download Submit
memory/2036-74-0x0000000000400000-0x0000000000414000-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/2492-105-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-92-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-138-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-133-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-72-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-130-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-127-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-76-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-124-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-80-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-83-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-86-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-89-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-121-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-93-0x0000000002620000-0x00000000026C2000-memory.dmp

Filesize
648KB

Download
memory/2492-99-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-102-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-118-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-108-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-111-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2492-114-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2616-65-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2616-70-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2616-66-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2912-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2912-77-0x0000000005B00000-0x0000000005DC1000-memory.dmp

Filesize
2.8MB

Download
memory/2912-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2912-63-0x0000000005B00000-0x0000000005DC1000-memory.dmp

Filesize
2.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads