socks5systemz | d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d

General

Target

d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.exe
Size

4.8MB
MD5

2f2cee0bc55379e8050af3aec741b849
SHA1

6920f05367047098bdc91a1eab4064ed1d0931b5
SHA256

d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d
SHA512

c2b86c5b5e78de0a6a76330a4bfd4bbcc60a9d1188438dd984bf871504afdadd5616dc6ef673cf91ce1981e57d431745c4086cac38d8a0b790f31f7e1b0267fa
SSDEEP

98304:ALs/zBDJxS/EQ4B9xgG/Qe1w1K0hCthlbIHNlqxAm45rMv/j:ALs/zBDJM6BPXwU0hcIHN8A5wvr

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bnieqby.com/search/?q=67e28dd86b5cf27c420ff9177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffa15c1e7949b3a

http://bnieqby.com/search/?q=67e28dd86b5cf27c420ff9177c27d78406abdd88be4b12eab517aa5c96bd86ef90874e835a8bbc896c58e713bc90c91936b5281fc235a925ed3e00d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee909e3ac56e9717

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/4788-91-0x0000000000790000-0x0000000000832000-memory.dmp	family_socks5systemz
behavioral1/memory/4788-118-0x0000000000790000-0x0000000000832000-memory.dmp	family_socks5systemz
behavioral1/memory/4788-117-0x0000000000790000-0x0000000000832000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2452	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp
1660	keratodjprof.exe
4788	keratodjprof.exe

Loads dropped DLL 3 IoCs

pid	Process
2452	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp
2452	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp
2452	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.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	91.211.247.248

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

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 2452	436	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.exe	84
PID 436 wrote to memory of 2452	436	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.exe	84
PID 436 wrote to memory of 2452	436	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.exe	84
PID 2452 wrote to memory of 1660	2452	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp	87
PID 2452 wrote to memory of 1660	2452	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp	87
PID 2452 wrote to memory of 1660	2452	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp	87
PID 2452 wrote to memory of 4788	2452	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp	88
PID 2452 wrote to memory of 4788	2452	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp	88
PID 2452 wrote to memory of 4788	2452	d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp	88

C:\Users\Admin\AppData\Local\Temp\d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.exe
"C:\Users\Admin\AppData\Local\Temp\d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:436
- C:\Users\Admin\AppData\Local\Temp\is-SL76R.tmp\d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-SL76R.tmp\d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp" /SL5="$B004A,4723649,54272,C:\Users\Admin\AppData\Local\Temp\d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe
    "C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1660
- - C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe
    "C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Kerato DJ Prof\keratodjprof.exe

Filesize
1.8MB

MD5
3d53945d6fab2f7d675706e682a8b55c

SHA1
3545081abea97e249bf02863074e29c51dccccc2

SHA256
6e6213ba084d6ce5ad53a606e5b59055fa46186221c9f1b1d472ca6acc5576bd

SHA512
0c5d10a2ba7e4105168d1ac7a3a05f192297664898cb7e20189e5514ac7aec44125bae1c3ec86554decac1299e0800e7d2e41f7611a18c5cdc5a1ecb02d05164

Download Submit
C:\Users\Admin\AppData\Local\Kerato DJ Prof\libeay32.dll

Filesize
1.9MB

MD5
876a839023b8f962a72d295da7495734

SHA1
62a7728679bc18784b1fbf1d013f7cece18cbec9

SHA256
a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

SHA512
e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q5RE8.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q5RE8.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
c948b46ea1eb5757ecf75404571c31ce

SHA1
6665b8d48fea3538c7e043b7ab700778d86307a3

SHA256
3c5b63d61e00f30790c7df0f048473cb04d17e175d8177e86c7cf5062dcaad24

SHA512
6b326b34c8142ef2b75df7f83aed11400a86d19806730bab0515ccfcd6eb2ef71d6db707dbd48d8f1f8ff9e3eb6626af80d38394ebaf2742ef3df0d0ebe4f256

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SL76R.tmp\d3d67d42148c3b6ba5bd850aa680bb983111383b5a0a4b93abaeb3fbf3836c1d.tmp

Filesize
696KB

MD5
0efe41ca4e901ed16c5c854c539593e2

SHA1
9b0bfc35e75ec092f54afe76680efabec0138d7f

SHA256
5e5167fe4565f7063be8e262c5c2a4a7608eb7b79246ae73607853c474993f1d

SHA512
857285c545f1fdecbba12ab21e6ad9b5ef43992ce88427fe78cc427f67109118fe6fa5375258b392930543537d46d07e5485107eedc11a582f4120341772cb66

Download Submit
memory/436-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/436-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/436-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1660-65-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/1660-66-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/1660-70-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/1660-71-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/2452-77-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2452-12-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/4788-81-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-104-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-75-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-84-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-87-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-90-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-96-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-91-0x0000000000790000-0x0000000000832000-memory.dmp

Filesize
648KB

Download
memory/4788-101-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-78-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-107-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-110-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-113-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-116-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-118-0x0000000000790000-0x0000000000832000-memory.dmp

Filesize
648KB

Download
memory/4788-117-0x0000000000790000-0x0000000000832000-memory.dmp

Filesize
648KB

Download
memory/4788-122-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4788-125-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing