socks5systemz | e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e

General

Target

e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe
Size

5.6MB
MD5

561248aaa7cb2dfb45e0eadcbd5371f2
SHA1

cf3658701a282674bcef0bf0126cb23190ae4831
SHA256

e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e
SHA512

29cd4ad8872d06b630712982c06a298f0fd6c8307191cf8f5309cb8566e7008911d2073a752729a0bd111c815231c65ed44d5054ecb10d25497f98bc354aae7a
SSDEEP

98304:m4rtI3FrMy6bAHUaW1pN+OCej2YVC0GTOwoSBn+ADW3tt2w9G3ng41/epgb1kcF:JtI1DEp1pN+cyYVC7oA+8CX2wY3ng4pR

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dlvrvtb.info

http://dlvrvtb.info/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1fe8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff714c9eb9d983a

http://dlvrvtb.info/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12eab517aa5c96bd86ef95814d865a8bbc896c58e713bc90c94a36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9f32c9679417

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1524-94-0x0000000000A60000-0x0000000000B02000-memory.dmp	family_socks5systemz
behavioral2/memory/1524-117-0x0000000000A60000-0x0000000000B02000-memory.dmp	family_socks5systemz
behavioral2/memory/1524-118-0x0000000000A60000-0x0000000000B02000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Detects executables packed with VMProtect. 19 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2584-66-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2584-69-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2584-71-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-75-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-78-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-81-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-82-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-85-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-88-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-91-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-96-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-101-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-104-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-107-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-110-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-113-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-116-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-122-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1524-125-0x0000000000400000-0x0000000000705000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

Processes:

e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmpsvomediaplayer.exesvomediaplayer.exe

pid process

1200 e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp
2584 svomediaplayer.exe
1524 svomediaplayer.exe

Loads dropped DLL 3 IoCs

Processes:

e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp

pid	process
1200	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp
1200	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp
1200	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.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 152.89.198.214
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:

e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp

pid process

1200 e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp

description	ioc
Destination IP	152.89.198.214

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exee3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp

description	pid	process	target process
PID 1668 wrote to memory of 1200	1668	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp
PID 1668 wrote to memory of 1200	1668	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp
PID 1668 wrote to memory of 1200	1668	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp
PID 1200 wrote to memory of 2584	1200	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp	svomediaplayer.exe
PID 1200 wrote to memory of 2584	1200	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp	svomediaplayer.exe
PID 1200 wrote to memory of 2584	1200	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp	svomediaplayer.exe
PID 1200 wrote to memory of 1524	1200	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp	svomediaplayer.exe
PID 1200 wrote to memory of 1524	1200	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp	svomediaplayer.exe
PID 1200 wrote to memory of 1524	1200	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp	svomediaplayer.exe

C:\Users\Admin\AppData\Local\Temp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe
"C:\Users\Admin\AppData\Local\Temp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1668

C:\Users\Admin\AppData\Local\Temp\is-T1KML.tmp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-T1KML.tmp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp" /SL5="$401E4,5639062,54272,C:\Users\Admin\AppData\Local\Temp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1200

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:2584

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:1524

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
053291c12720c20471fd8ab1053d80ea

SHA1
5dec4be200a27bce9f37b20864fbd772ecbebab2

SHA256
9caa6951960e970a142d0ec39a8cad98d6d36d4fb1b9ac71791c3d0b1dba4d52

SHA512
d0593237f96fbb40f4cfcacfc6619001ac2c7a213658c79b20a14c7a6ea06a857a3714166c0fcc9888e5039aecc13927cfa61c3736d013de13b939f3c4a45c8f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PQL5T.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PQL5T.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-T1KML.tmp\e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp
Filesize
680KB

MD5
548dec969992f3e928d7c5bcf6dbeccf

SHA1
f4da2c90b95749fbb89e1a16f55719078cb128aa

SHA256
9a883c56e3cd5e476c9baa539c1b5d0e877dfade2714040c84ed5f098665b768

SHA512
e3980bb2bc9a9146c37bae8c60e80bc5fa164cd767fad3c046046d1517ca24780191ab98526bc94392d6a55fa486ef77857359eadef0466c6abf2b42dcec4321

Download Submit
memory/1200-77-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1200-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1524-104-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-107-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-125-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-122-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-118-0x0000000000A60000-0x0000000000B02000-memory.dmp

Filesize
648KB

Download
memory/1524-74-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-75-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-117-0x0000000000A60000-0x0000000000B02000-memory.dmp

Filesize
648KB

Download
memory/1524-116-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-78-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-81-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-82-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-85-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-88-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-91-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-94-0x0000000000A60000-0x0000000000B02000-memory.dmp

Filesize
648KB

Download
memory/1524-96-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-101-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-113-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1524-110-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/1668-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1668-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1668-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2584-65-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2584-71-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2584-69-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download
memory/2584-66-0x0000000000400000-0x0000000000705000-memory.dmp

Filesize
3.0MB

Download

pid	process
1200	e3d345475964b57f7b8afcce3082e33bc23eddf7e290ab44062ab9da8134c72e.tmp
2584	svomediaplayer.exe
1524	svomediaplayer.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads