socks5systemz | 777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa

General

Target

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe
Size

5.0MB
MD5

5caa366d1efe02cff18ee6d4d8d9fb56
SHA1

e2cbbfeaa67ad193736e08d057f92e4481834adc
SHA256

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa
SHA512

7a4fa9328dbb475d28540ffbe6c271d184b6d5b516ce5511c57ab5324643ffdeda8109ba07866c15d7a33f9f4514d8c94ced87fb1c8b3b89de8c00f290700311
SSDEEP

98304:mfb6skPJXWcPhKyx1F+CLmUEo6MflGimy356qVtc4s0EReZbL0N5E6SmdQ9zcBG:M5kPJBPM0FWklVJdm4sZMHgENmdQ9wBG

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ejjqipb.ua

fyoeivk.ru

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1880-92-0x0000000002320000-0x00000000023C2000-memory.dmp	family_socks5systemz

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

Processes:

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmpsvomediaplayer.exesvomediaplayer.exe

pid process

3036 777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
2664 svomediaplayer.exe
1880 svomediaplayer.exe

pid	process
3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
2664	svomediaplayer.exe
1880	svomediaplayer.exe

Loads dropped DLL 5 IoCs

Processes:

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

pid	process
1368	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe
3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

Unexpected DNS network traffic destination 13 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
Destination IP	45.155.250.90
Destination IP	81.31.197.38
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	45.155.250.90
Destination IP	91.211.247.248
Destination IP	152.89.198.214
Destination IP	141.98.234.31
Destination IP	81.31.197.38
Destination IP	45.155.250.90
Destination IP	152.89.198.214
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:

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

pid process

3036 777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

pid	process
3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

description	pid	process	target process
PID 1368 wrote to memory of 3036	1368	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
PID 1368 wrote to memory of 3036	1368	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
PID 1368 wrote to memory of 3036	1368	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
PID 1368 wrote to memory of 3036	1368	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
PID 1368 wrote to memory of 3036	1368	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
PID 1368 wrote to memory of 3036	1368	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
PID 1368 wrote to memory of 3036	1368	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
PID 3036 wrote to memory of 2664	3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 3036 wrote to memory of 2664	3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 3036 wrote to memory of 2664	3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 3036 wrote to memory of 2664	3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 3036 wrote to memory of 1880	3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 3036 wrote to memory of 1880	3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 3036 wrote to memory of 1880	3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 3036 wrote to memory of 1880	3036	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe

C:\Users\Admin\AppData\Local\Temp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe
"C:\Users\Admin\AppData\Local\Temp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1368

C:\Users\Admin\AppData\Local\Temp\is-5FF2J.tmp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
"C:\Users\Admin\AppData\Local\Temp\is-5FF2J.tmp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp" /SL5="$5014E,4978193,54272,C:\Users\Admin\AppData\Local\Temp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3036

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -i
3⤵
- Executes dropped EXE
PID:2664

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -s
3⤵
- Executes dropped EXE
PID:1880

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

\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
Filesize
3.2MB

MD5
3b12c7a7a5a7bca107784597793bbf08

SHA1
7f7768cb78dc96126487ec1dd294ce629d11c9f9

SHA256
2ae5fa0dbb3274ed901fc031862b371e0ff34865b8fd76f9c3525f9ea84cff28

SHA512
451ebcd7c3283de341c6fed85c6cd4a5921a276ec565f18b1e960f66d896fe25f32d022f0d0929d4bff4927cca9e34f1772a3b8f2441cb5284292e7bef719955

Download Submit
\Users\Admin\AppData\Local\Temp\is-5FF2J.tmp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
Filesize
680KB

MD5
f37cd0eb17015c4634d4612386a59e08

SHA1
db484a81b4e8e6bc1d5333d984e8bdca356b444a

SHA256
028c13f7b44b54dbb1020946769a780424d6116dc7f3f23273b8c09bb4984761

SHA512
1649a8c3b043dbe65c2ce63e29fbba04fc6b764f772dc20b61cca40e2eea9d5dea72fd07ddc1e058064664781080fe21def72cf59fc531a0e2b78fd2c8065852

Download Submit
\Users\Admin\AppData\Local\Temp\is-E1I4O.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-E1I4O.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1368-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1368-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1368-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1880-75-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-85-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-128-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-125-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-71-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-134-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-122-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-116-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-78-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-119-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-82-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-131-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-88-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-91-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-92-0x0000000002320000-0x00000000023C2000-memory.dmp

Filesize
648KB

Download
memory/1880-98-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-101-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-104-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-107-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-110-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1880-113-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/2664-65-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/2664-69-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/2664-66-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3036-79-0x0000000003A10000-0x0000000003D47000-memory.dmp

Filesize
3.2MB

Download
memory/3036-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3036-64-0x0000000003A10000-0x0000000003D47000-memory.dmp

Filesize
3.2MB

Download
memory/3036-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads