socks5systemz | 7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb

General

Target

7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe
Size

4.9MB
MD5

f4d031adb7cec33d2473e9be051cfb13
SHA1

75f3a14b502bf7e60675bf5297fdca4d91e4e7f9
SHA256

7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb
SHA512

2dc0724c31db5fe656e007eb8f89cf120f05efc15c613ec4bdf4ea96c8749a93e7d74e72c826e891cb9546b711516c858a7b78f55c83fc871ae54b0be70da9c3
SSDEEP

98304:m7NE5mTCu2zgiqGHmfcsQuyJiKMAsWqbAeS19T3HiW8KbJJ8g3JtfoaqP9:+25ECuZ8m0swYYI8eS1lHsOfofF

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aagevwv.ru

http://aagevwv.ru/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfd10c1ec95

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2572-93-0x00000000025A0000-0x0000000002642000-memory.dmp	family_socks5systemz

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

Processes:

7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmpaudioconverter32.exeaudioconverter32.exe

pid process

1912 7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
2932 audioconverter32.exe
2572 audioconverter32.exe

pid	process
1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
2932	audioconverter32.exe
2572	audioconverter32.exe

Loads dropped DLL 6 IoCs

Processes:

7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp

pid	process
3052	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe
1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.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 45.155.250.90
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:

7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp

pid process

1912 7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp

description	pid	process	target process
PID 3052 wrote to memory of 1912	3052	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
PID 3052 wrote to memory of 1912	3052	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
PID 3052 wrote to memory of 1912	3052	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
PID 3052 wrote to memory of 1912	3052	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
PID 3052 wrote to memory of 1912	3052	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
PID 3052 wrote to memory of 1912	3052	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
PID 3052 wrote to memory of 1912	3052	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
PID 1912 wrote to memory of 2932	1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp	audioconverter32.exe
PID 1912 wrote to memory of 2932	1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp	audioconverter32.exe
PID 1912 wrote to memory of 2932	1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp	audioconverter32.exe
PID 1912 wrote to memory of 2932	1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp	audioconverter32.exe
PID 1912 wrote to memory of 2572	1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp	audioconverter32.exe
PID 1912 wrote to memory of 2572	1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp	audioconverter32.exe
PID 1912 wrote to memory of 2572	1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp	audioconverter32.exe
PID 1912 wrote to memory of 2572	1912	7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp	audioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe
"C:\Users\Admin\AppData\Local\Temp\7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3052

C:\Users\Admin\AppData\Local\Temp\is-8G963.tmp\7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
"C:\Users\Admin\AppData\Local\Temp\is-8G963.tmp\7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp" /SL5="$3014E,4922774,54272,C:\Users\Admin\AppData\Local\Temp\7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1912

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -i
3⤵
- Executes dropped EXE
PID:2932

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -s
3⤵
- Executes dropped EXE
PID:2572

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\Free Audio Converter\audioconverter32.exe
Filesize
3.0MB

MD5
28631a21dfaf3a50453e1aa756cebf39

SHA1
5769288b40fecf70d8046f1e9033205db9d47dd0

SHA256
f593ed26d4bf3a554a6d55270c601d567939c5a1453ed57ee6c8780be4b41d25

SHA512
ad506e73ee607d85ca5e61304a8e7010871caf728f572e58ecf0fa78e6fa8432e48a08ff0383bfdcc557c57057d0ac0aea222bb9a6c5aa4cf239c4ddd666e75c

Download Submit
\Users\Admin\AppData\Local\Temp\is-8G963.tmp\7c500acb7def7d91f1a7b13599c3ca5215ed49c9553420688e384b7a74b03cfb.tmp
Filesize
680KB

MD5
f2ea57162349fbb5a88b276f91880c7d

SHA1
31d0ef8f01ec1dbca631b2aee891ec46c0a2c663

SHA256
756ee2c303f097f361c1f6f16f118612acd5ceb277fd7642695b36fedf0dba68

SHA512
3dd06f405e036ade9fd52ac7ae189e8c1bafc48dc09f6f346f5b1ddb32ec43ecf527bd96d2c446d320cd22ea63d5eae430cab92533847d83a0af015224a13799

Download Submit
\Users\Admin\AppData\Local\Temp\is-G2800.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-G2800.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1912-71-0x0000000005AB0000-0x0000000005DBF000-memory.dmp

Filesize
3.1MB

Download
memory/1912-77-0x0000000005AB0000-0x0000000005DBF000-memory.dmp

Filesize
3.1MB

Download
memory/1912-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1912-64-0x0000000005AB0000-0x0000000005DBF000-memory.dmp

Filesize
3.1MB

Download
memory/1912-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2572-105-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-99-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-138-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-133-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-130-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-76-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-127-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-80-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-83-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-86-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-89-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-92-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-93-0x00000000025A0000-0x0000000002642000-memory.dmp

Filesize
648KB

Download
memory/2572-124-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-102-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-121-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-108-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-111-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-114-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2572-118-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2932-69-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2932-65-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/2932-66-0x0000000000400000-0x000000000070F000-memory.dmp

Filesize
3.1MB

Download
memory/3052-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3052-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3052-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads