socks5systemz | 2d8ee05150cc6aa6909cd7bf0e88bad3cab5c252fee3034a5d89d6b5894238ad

General

Target

84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe
Size

4.6MB
MD5

1afd6b7ef105ad5b4274413058f7a111
SHA1

e590138faf2e66f7f46583c51ffb62c264732009
SHA256

84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee
SHA512

317f191dba9bba90b140ae276ff5119965cf88a0ae03ca58bfab725c7a2d4718d5701f7088fb75a1020f06172bb8d1e66a6dd31a2f02b6e5306462b6b8f13c79
SSDEEP

98304:m1S8ncpYaAureoRPCs1jpnyWkTpHrykyrRfUlsDzx3dig:iNncpYurens1Fy7TpHrPWslcF

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bgsbevq.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5096-86-0x0000000002890000-0x0000000002932000-memory.dmp	family_socks5systemz

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

Processes:

84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmplinuxmultiMediastudio.exelinuxmultiMediastudio.exe

pid process

4388 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp
1564 linuxmultiMediastudio.exe
5096 linuxmultiMediastudio.exe
Loads dropped DLL 1 IoCs

Processes:

84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp

pid process

4388 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 91.211.247.248
Destination IP 152.89.198.214
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:

84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp

pid process

4388 84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp

pid	process
4388	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp
1564	linuxmultiMediastudio.exe
5096	linuxmultiMediastudio.exe

pid	process
4388	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	152.89.198.214
Destination IP	141.98.234.31

pid	process
4388	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp

description	pid	process	target process
PID 4856 wrote to memory of 4388	4856	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp
PID 4856 wrote to memory of 4388	4856	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp
PID 4856 wrote to memory of 4388	4856	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp
PID 4388 wrote to memory of 1564	4388	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp	linuxmultiMediastudio.exe
PID 4388 wrote to memory of 1564	4388	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp	linuxmultiMediastudio.exe
PID 4388 wrote to memory of 1564	4388	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp	linuxmultiMediastudio.exe
PID 4388 wrote to memory of 5096	4388	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp	linuxmultiMediastudio.exe
PID 4388 wrote to memory of 5096	4388	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp	linuxmultiMediastudio.exe
PID 4388 wrote to memory of 5096	4388	84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp	linuxmultiMediastudio.exe

C:\Users\Admin\AppData\Local\Temp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe
"C:\Users\Admin\AppData\Local\Temp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4856

C:\Users\Admin\AppData\Local\Temp\is-18JKC.tmp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp
"C:\Users\Admin\AppData\Local\Temp\is-18JKC.tmp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp" /SL5="$F00EC,4563641,54272,C:\Users\Admin\AppData\Local\Temp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4388

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i
3⤵
- Executes dropped EXE
PID:1564

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s
3⤵
- Executes dropped EXE
PID:5096

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
Filesize
2.9MB

MD5
80450955e0934950616a82898d7ef316

SHA1
7ec266e16d750dadbb87f0abb3deddd874510c99

SHA256
c9f86a307e69eb02fc680f39c6964d9737db9c2a5cbaab67a80e3fa125ee9d40

SHA512
62493eb4f29c31f7df5d320256684f045b4bcde122a0d3597adf1bbd1858a3781a26052dcba75f431cb5bf018e00c5f64e9a1f6bd64edd3cbf70d62a238bdfc2

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-18JKC.tmp\84545b2db5b60b257083f5ebbc77abbc847724293c378ddf87b1ec58b4d6aaee.tmp
Filesize
680KB

MD5
2181b997c1c7c4258f8061389766b42a

SHA1
1ffb522e8e9414018835c7049d78a250db5caa3c

SHA256
8300af7e7e4c4e3771c161f2a609e8d0a4ae0de3e49fd398a24a1decdf6b4941

SHA512
5bc3600307031e2acee1c18dcf1c4f2d76d406a2da0e12524722f136f9afc029e9a082fce08dddf63c96de20a907e18ea022fb5855804b767c190293724ff23b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D3JVB.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1564-59-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1564-60-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1564-63-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1564-65-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/4388-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4388-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4856-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4856-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4856-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5096-74-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-89-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-68-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-77-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-80-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-83-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-86-0x0000000002890000-0x0000000002932000-memory.dmp

Filesize
648KB

Download
memory/5096-71-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-94-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-97-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-100-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-103-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-106-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-109-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-112-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/5096-115-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download

Analysis

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