socks5systemz | 1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b

General

Target

1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.exe
Size

2.0MB
MD5

01e4b873d02c4a6a2575de535c65e0ac
SHA1

2a3791a923601ed7be168a3f782a6796e01f4da4
SHA256

1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b
SHA512

e9d20afedc49f0ee215a127b3427e40f0e461800b8eaa01330cb35905a84f0502b3496a79f3df03407e97dfbba524941fb7b8cf65932d17b9d9745f641b410c9
SSDEEP

49152:32MNL9V6wPBePoAuzu5a0u5Jql3FQYT2CbHpz:mqL/XBu9EUa0kJOfxbHl

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://boriojz.com/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe14c8ea939e3c

Signatures

Detect Socks5Systemz Payload 2 IoCs

resource	yara_rule
behavioral1/memory/4852-73-0x0000000000710000-0x00000000007B2000-memory.dmp	family_socks5systemz
behavioral1/memory/4852-83-0x0000000000710000-0x00000000007B2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3356	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp
4604	htmlpadhunt.exe
4852	htmlpadhunt.exe

Loads dropped DLL 3 IoCs

pid	Process
3356	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp
3356	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp
3356	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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 WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 3356	2160	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.exe	85
PID 2160 wrote to memory of 3356	2160	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.exe	85
PID 2160 wrote to memory of 3356	2160	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.exe	85
PID 3356 wrote to memory of 4604	3356	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp	87
PID 3356 wrote to memory of 4604	3356	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp	87
PID 3356 wrote to memory of 4604	3356	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp	87
PID 3356 wrote to memory of 4852	3356	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp	89
PID 3356 wrote to memory of 4852	3356	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp	89
PID 3356 wrote to memory of 4852	3356	1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp	89

C:\Users\Admin\AppData\Local\Temp\1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.exe
"C:\Users\Admin\AppData\Local\Temp\1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\is-KTOKA.tmp\1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-KTOKA.tmp\1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp" /SL5="$80090,1780811,54272,C:\Users\Admin\AppData\Local\Temp\1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3356
- - C:\Users\Admin\AppData\Local\HTML Pad Hunter\htmlpadhunt.exe
    "C:\Users\Admin\AppData\Local\HTML Pad Hunter\htmlpadhunt.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4604
- - C:\Users\Admin\AppData\Local\HTML Pad Hunter\htmlpadhunt.exe
    "C:\Users\Admin\AppData\Local\HTML Pad Hunter\htmlpadhunt.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4852

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\HTML Pad Hunter\htmlpadhunt.exe

Filesize
1.8MB

MD5
6d1a17077bc6407102567ea6ea7051e3

SHA1
4cc8885a14bd0dcc595a959a466e404de2a9cd07

SHA256
26286609d245d267d96fb5ac0564a9cca1837ef661dc15ba51c76e3760f97fe1

SHA512
952e3dab3f6533f45389a8ac93f5f4d579dbbca000a3f0f48b49a17538c106fc1bd997c970a0095713ef1f789f34e955a0227973dcbc7637c736899c6dceb92b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9CPPH.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9CPPH.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KTOKA.tmp\1de6d6c721c882c03b7a94afaed7c58da4b375519d38d79717462811fba15f8b.tmp

Filesize
677KB

MD5
ed5aaa73297efebf32e02e1b894ff97f

SHA1
2cdf7a7b8a8bf981fbdd6c48d521eb75b9bb346f

SHA256
100656adcfaee0113fa42755f4b960960feee667f5e960b83f271337b4e71386

SHA512
bc1319543b318db87539b7bc828fad665a8dd6f71ab474df920b181114b9bf4c14fc228d1d043a16de3c1cce44ff81c874eadec67c0bbbbcf8aa12472e522a4a

Download Submit
memory/2160-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3356-6-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/3356-54-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3356-56-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/4604-43-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4604-48-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4604-45-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4604-44-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-59-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-72-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-52-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-50-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-60-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-63-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-66-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-69-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-73-0x0000000000710000-0x00000000007B2000-memory.dmp

Filesize
648KB

Download
memory/4852-55-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-79-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-82-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-83-0x0000000000710000-0x00000000007B2000-memory.dmp

Filesize
648KB

Download
memory/4852-86-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-89-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-92-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-95-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-99-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download
memory/4852-102-0x0000000000400000-0x00000000005D8000-memory.dmp

Filesize
1.8MB

Download

Analysis

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