socks5systemz | 8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1

General

Target

8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.exe
Size

1.8MB
MD5

a6659daf6c9fb92db47fedd4bb6a2a20
SHA1

b7bb128e65fccc69470e6193bedf9fd1e263af0d
SHA256

8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1
SHA512

b5c52c96987dd4bc72846ef4f1785f849a8277780adcb51cee431bf46ce74b609297babf3f900ceaa5076a18e2f32c05e2b9cf9bd198cd6126aa47abf6e66795
SSDEEP

49152:32HiQs4lxGrL4Q63z482pMh99RtTKoR7g2Ap:mHiQs4lkI8pMh9ZTv62Ap

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://ccfermi.net/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe17c1e9939c3a

http://ccfermi.net/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12eab517aa5c96bd86ef95824a815a8bbc896c58e713bc90c91b36b5281fc235a925ed3e00d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee949c3acb699017

Signatures

Detect Socks5Systemz Payload 5 IoCs

resource	yara_rule
behavioral2/memory/3832-72-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral2/memory/3832-76-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral2/memory/3832-85-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral2/memory/3832-98-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz
behavioral2/memory/3832-99-0x0000000000990000-0x0000000000A32000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4932	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp
2088	htmlprofessionalkit.exe
3832	htmlprofessionalkit.exe

Loads dropped DLL 3 IoCs

pid	Process
4932	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp
4932	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp
4932	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.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	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 WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 488 wrote to memory of 4932	488	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.exe	78
PID 488 wrote to memory of 4932	488	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.exe	78
PID 488 wrote to memory of 4932	488	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.exe	78
PID 4932 wrote to memory of 2088	4932	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp	79
PID 4932 wrote to memory of 2088	4932	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp	79
PID 4932 wrote to memory of 2088	4932	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp	79
PID 4932 wrote to memory of 3832	4932	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp	80
PID 4932 wrote to memory of 3832	4932	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp	80
PID 4932 wrote to memory of 3832	4932	8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp	80

C:\Users\Admin\AppData\Local\Temp\8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.exe
"C:\Users\Admin\AppData\Local\Temp\8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:488
- C:\Users\Admin\AppData\Local\Temp\is-HADV6.tmp\8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-HADV6.tmp\8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp" /SL5="$7006C,1529793,54272,C:\Users\Admin\AppData\Local\Temp\8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4932
- - C:\Users\Admin\AppData\Local\HTML Professional Kit\htmlprofessionalkit.exe
    "C:\Users\Admin\AppData\Local\HTML Professional Kit\htmlprofessionalkit.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2088
- - C:\Users\Admin\AppData\Local\HTML Professional Kit\htmlprofessionalkit.exe
    "C:\Users\Admin\AppData\Local\HTML Professional Kit\htmlprofessionalkit.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3832

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 Professional Kit\htmlprofessionalkit.exe

Filesize
1.7MB

MD5
032724a18712534d3fc5d8d64ff8f84f

SHA1
8120c27729bb91aa0a016f16863e0689c05f8059

SHA256
d07ed54fab641497e12cc97b4bee994809e39f6fb9c096909661d5df3c2bfdf4

SHA512
035c5d4e5477acc774042734f1df2c30f5f40ee854d2233b6e63490b66401b39ec9f9380753c746348928e86aa677f0cceedbe4f81f45d6812c6d80c5ac1649d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HADV6.tmp\8d8461c9e074dcbc9f60c2e804e11add29e443612952a0a0d3cfe9cf3ac54fd1.tmp

Filesize
677KB

MD5
1468f751dd82e8a2b603de47e40ea363

SHA1
98ad87c530d457feea9bbf01a2f0aa651d1310b9

SHA256
ec5029bbec68e156756d0f546a1f4ba430cb2fa99317967b654e19a88c4450ca

SHA512
ef2ad7d18d415513d22872f24fd920270b9dee5f59374d2f637b5f6998703307e8b264daeeeafabd05d7ab4c8b083bc3e60c24dd45ac1a1dfcfa752db9ec720b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VP2AQ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VP2AQ.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
memory/488-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/488-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2088-45-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2088-44-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2088-48-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/2088-49-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-58-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-76-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3832-52-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-106-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-56-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-103-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-99-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3832-61-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-64-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-67-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-70-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-72-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3832-74-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-53-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-81-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-84-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-85-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/3832-88-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-91-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-94-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-97-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/3832-98-0x0000000000990000-0x0000000000A32000-memory.dmp

Filesize
648KB

Download
memory/4932-7-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/4932-57-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/4932-55-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

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