socks5systemz | 8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5

General

Target

8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.exe
Size

4.9MB
MD5

e32aa1f157fa7a6539a6ab7f43512f5b
SHA1

ea3cd56816c2756a6ecd1fa91b16e4e5ae5fb74e
SHA256

8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5
SHA512

13a3587c3ff43a524bbf5c47f63ce5556fda2b869ebddff68c6e9845e9e4a41418c63775b7f23a6c76e88bb12d1d52ed83f9301064ae63743e05ae9811a2a551
SSDEEP

98304:mX8Sa9rAiNKaFe0UVS6zGrdeeuqS+yP88XwkbsS5dmGQsVx:uJ0bSpVS6zAdeeud188gkB76sVx

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

beidcsa.com

http://beidcsa.com/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c2ee939e3f

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1404-84-0x0000000000A10000-0x0000000000AB2000-memory.dmp	family_socks5systemz

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

Processes:

8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmplinuxmultiMediastudio32.exelinuxmultiMediastudio32.exe

pid process

3560 8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp
3572 linuxmultiMediastudio32.exe
1404 linuxmultiMediastudio32.exe
Loads dropped DLL 1 IoCs

Processes:

8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp

pid process

3560 8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.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:

8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp

pid process

3560 8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp

pid	process
3560	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp
3572	linuxmultiMediastudio32.exe
1404	linuxmultiMediastudio32.exe

pid	process
3560	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
3560	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.exe8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp

description	pid	process	target process
PID 4944 wrote to memory of 3560	4944	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.exe	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp
PID 4944 wrote to memory of 3560	4944	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.exe	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp
PID 4944 wrote to memory of 3560	4944	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.exe	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp
PID 3560 wrote to memory of 3572	3560	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp	linuxmultiMediastudio32.exe
PID 3560 wrote to memory of 3572	3560	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp	linuxmultiMediastudio32.exe
PID 3560 wrote to memory of 3572	3560	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp	linuxmultiMediastudio32.exe
PID 3560 wrote to memory of 1404	3560	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp	linuxmultiMediastudio32.exe
PID 3560 wrote to memory of 1404	3560	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp	linuxmultiMediastudio32.exe
PID 3560 wrote to memory of 1404	3560	8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp	linuxmultiMediastudio32.exe

C:\Users\Admin\AppData\Local\Temp\8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.exe
"C:\Users\Admin\AppData\Local\Temp\8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4944

C:\Users\Admin\AppData\Local\Temp\is-UEQP7.tmp\8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp
"C:\Users\Admin\AppData\Local\Temp\is-UEQP7.tmp\8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp" /SL5="$701E6,4898370,54272,C:\Users\Admin\AppData\Local\Temp\8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3560

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -i
3⤵
- Executes dropped EXE
PID:3572

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -s
3⤵
- Executes dropped EXE
PID:1404

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

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
Filesize
3.0MB

MD5
084a6f457a1a935ad3fb0b24faef4aa3

SHA1
c2cce0a8c0646a86db7221e53e49cba22d459c62

SHA256
c5529feab774a749b36d1e75f16bc968a1f5e11e09bf7f53ad27fcb823045665

SHA512
94f81b0537976dda529dbf09486b6bc42684469c03933c31be9e906505cca1e77da5caaf408075d8a0c4481f91b1fd964087ed13179359bc46e9206156d6425d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-UEQP7.tmp\8e71e6df4a3f4bb07ae5256142f3c3b30d9d7a9085df7a198727fb3e352da3b5.tmp
Filesize
680KB

MD5
da3e3293eadae0b9e8e0bb85b53bf263

SHA1
6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f

SHA256
ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d

SHA512
c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

Download Submit
\Users\Admin\AppData\Local\Temp\is-RVF0K.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1404-106-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-91-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-84-0x0000000000A10000-0x0000000000AB2000-memory.dmp

Filesize
648KB

Download
memory/1404-130-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-86-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-125-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-65-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-122-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-119-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-69-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-72-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-110-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-78-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-81-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-116-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-113-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-75-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-94-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-97-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-100-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/1404-103-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/3560-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3560-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3572-60-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/3572-63-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/3572-59-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/4944-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4944-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4944-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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