socks5systemz | cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e

General

Target

cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.exe
Size

4.8MB
MD5

9368b072acac083fa25e71bda0786160
SHA1

349e0f906172b5bc753d8b3a7381e9ab7d8c1c35
SHA256

cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e
SHA512

e7d7b8657042e3a5e9c3e9f359fe671cae7f4dce84dd645a89bfb6ad4c2ae39de39f95d231de808958cb6535c647333b300e537098af2ecec7693814a89da8a8
SSDEEP

98304:mEPrn1elcq55HxdMyjRW557EGkVthPSZUBBmvFv+tC/q0AQJFfUedZ6sGLsZMNAY:jr1elce5HrZW5CZVthPlBmvFWMpBJZUP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bukurwf.com

http://bukurwf.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff715c3ef909939

http://bukurwf.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12eab517aa5c96bd86ec94814f845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9e38cd6a9514

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/100-87-0x0000000000AA0000-0x0000000000B42000-memory.dmp	family_socks5systemz
behavioral1/memory/100-111-0x0000000000AA0000-0x0000000000B42000-memory.dmp	family_socks5systemz
behavioral1/memory/100-110-0x0000000000AA0000-0x0000000000B42000-memory.dmp	family_socks5systemz

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

Processes:

cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmpsvomediaplayer.exesvomediaplayer.exe

pid process

2040 cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp
1380 svomediaplayer.exe
100 svomediaplayer.exe
Loads dropped DLL 1 IoCs

Processes:

cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp

pid process

2040 cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.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:

cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp

pid process

2040 cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp

pid	process
2040	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp
1380	svomediaplayer.exe
100	svomediaplayer.exe

pid	process
2040	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
2040	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.execddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp

description	pid	process	target process
PID 1244 wrote to memory of 2040	1244	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.exe	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp
PID 1244 wrote to memory of 2040	1244	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.exe	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp
PID 1244 wrote to memory of 2040	1244	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.exe	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp
PID 2040 wrote to memory of 1380	2040	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp	svomediaplayer.exe
PID 2040 wrote to memory of 1380	2040	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp	svomediaplayer.exe
PID 2040 wrote to memory of 1380	2040	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp	svomediaplayer.exe
PID 2040 wrote to memory of 100	2040	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp	svomediaplayer.exe
PID 2040 wrote to memory of 100	2040	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp	svomediaplayer.exe
PID 2040 wrote to memory of 100	2040	cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp	svomediaplayer.exe

C:\Users\Admin\AppData\Local\Temp\cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.exe
"C:\Users\Admin\AppData\Local\Temp\cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1244

C:\Users\Admin\AppData\Local\Temp\is-46VUI.tmp\cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-46VUI.tmp\cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp" /SL5="$B0174,4802026,54272,C:\Users\Admin\AppData\Local\Temp\cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2040

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:1380

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:100

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\SVO Media Player\svomediaplayer.exe
Filesize
3.0MB

MD5
900aad4caf4ab5a33e7895025c543b8d

SHA1
3a30e49e9ed6f8790362f4d38294b8a67cb1271c

SHA256
aabd79d27a6bfe2af9bce2c8a6d3a94b8ca02aaada8eb10da0e9f5d6716625b0

SHA512
39cc5962b7fd866f08fbbf9989fa854efdd3ed64a21f2d09f4a9818c2c2c5d18b68c55846d7d8414a3995c10f70fe8f7c591c06353b1393dd0d94ff13c89e4f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-46VUI.tmp\cddeba51dfab3733c52c6605ec87ede1eaddd5310134e729578fb6ecb853d79e.tmp
Filesize
680KB

MD5
f37cd0eb17015c4634d4612386a59e08

SHA1
db484a81b4e8e6bc1d5333d984e8bdca356b444a

SHA256
028c13f7b44b54dbb1020946769a780424d6116dc7f3f23273b8c09bb4984761

SHA512
1649a8c3b043dbe65c2ce63e29fbba04fc6b764f772dc20b61cca40e2eea9d5dea72fd07ddc1e058064664781080fe21def72cf59fc531a0e2b78fd2c8065852

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-GTS9O.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/100-94-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-77-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-118-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-115-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-110-0x0000000000AA0000-0x0000000000B42000-memory.dmp

Filesize
648KB

Download
memory/100-111-0x0000000000AA0000-0x0000000000B42000-memory.dmp

Filesize
648KB

Download
memory/100-109-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-67-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-106-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-103-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-70-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-73-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-74-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-100-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-80-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-83-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-87-0x0000000000AA0000-0x0000000000B42000-memory.dmp

Filesize
648KB

Download
memory/100-88-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/100-97-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/1244-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1244-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1244-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1380-61-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/1380-64-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/1380-60-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/1380-59-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2040-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2040-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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