socks5systemz | 0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38

General

Target

0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe
Size

5.4MB
MD5

17d5f1c2bc07cccf8ea24587f78c1f8e
SHA1

473559c06647fe7c85c3a9a4bdae12a9925db261
SHA256

0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38
SHA512

d5b475748f80a8b639845af22ad972772b7b69e015a03a9f661739db52e9776ab6d4c6d56eb714f43a3e1e7b61ffba6a0d689fdf57cabebd5dc2f57a34873035
SSDEEP

98304:Qrrw2Fj5i6NO3PzvpIrb78o22MVlp+iKK/Hx/awkuNFEa/alZF2rvkE:yrw2tc3dIrXNDKFxCTuilDwsE

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4468-189-0x0000000000940000-0x00000000009E2000-memory.dmp	family_socks5systemz
behavioral2/memory/4468-213-0x0000000000940000-0x00000000009E2000-memory.dmp	family_socks5systemz
behavioral2/memory/4468-212-0x0000000000940000-0x00000000009E2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 2 IoCs

Processes:

0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmpsyncplayer.exe

pid	Process
548	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp
4468	syncplayer.exe

Loads dropped DLL 1 IoCs

Processes:

0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp

pid	Process
548	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmpsyncplayer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syncplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp

pid	Process
548	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp

description	pid	Process	procid_target
PID 1412 wrote to memory of 548	1412	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe	84
PID 1412 wrote to memory of 548	1412	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe	84
PID 1412 wrote to memory of 548	1412	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe	84
PID 548 wrote to memory of 4468	548	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp	88
PID 548 wrote to memory of 4468	548	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp	88
PID 548 wrote to memory of 4468	548	0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp	88

C:\Users\Admin\AppData\Local\Temp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe
"C:\Users\Admin\AppData\Local\Temp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1412
- C:\Users\Admin\AppData\Local\Temp\is-Q33US.tmp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-Q33US.tmp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp" /SL5="$60062,5408890,54272,C:\Users\Admin\AppData\Local\Temp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:548
- - C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe
    "C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4468

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe

Filesize
2.9MB

MD5
09e1998663f0e265624641547d025509

SHA1
104b59661403f6e767462ca211ba523a8e8f3929

SHA256
5e508828ad93eb3132be86131958921faf6bc9d5ded8076201de7e0156fcf3b1

SHA512
f8fb83cf91af688ba8acd28a7398bf4b77235c238cb2d05575caf1f66730c077905a3986e8c824a5d024a3fc78ec5eecf6af4f1794f6dc4cbe4f499e15e0343a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5U49S.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q33US.tmp\0f7a03570b06d9658feb7080eb54c9b662fc3e903d6e7f561d71f230220a6c38.tmp

Filesize
688KB

MD5
d1b8b044b7fbb1b013dd9bd09f066e5d

SHA1
952f2190660423dd194c48afe8b2afb5be21afdd

SHA256
ae74618cf9cc3cc1b4882fe17bcda074c5fb1b92b8da164d929787ab842ee8ce

SHA512
7c0bd4846fdc276b293dbe22b44201d12d68bda09dc2844adb277ed8947bc04246d23de70345e3ca6cfeb26c91f0394c825f12e236375ac37eddecf6668cb870

Download Submit
memory/548-169-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/548-16-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1412-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1412-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1412-170-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4468-182-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-198-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-165-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-173-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-176-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-179-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-164-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-185-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-189-0x0000000000940000-0x00000000009E2000-memory.dmp

Filesize
648KB

Download
memory/4468-188-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-195-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-168-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-199-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-202-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-205-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-208-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-211-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-213-0x0000000000940000-0x00000000009E2000-memory.dmp

Filesize
648KB

Download
memory/4468-212-0x0000000000940000-0x00000000009E2000-memory.dmp

Filesize
648KB

Download
memory/4468-217-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/4468-220-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads