socks5systemz | 375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa

General

Target

375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.exe
Size

4.8MB
MD5

72759bf001a95bd33eaff6e5d4b3d963
SHA1

d95ace31d7b4881061125a5ee966dd4eb20de602
SHA256

375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa
SHA512

6c33c28413b5464ba2cf2959a6df6beca0983944fc76fd884b986418f9899c6a1756c6f9d3559c55b35c29930bb4107016477f3523d46f81089d46c6a1efa475
SSDEEP

98304:3HLsh0D2SjoFcNRZP7KM/qwnznHn7CMF0MAyFqoz8wP1v/j:3row2yoFcLZP7XRHVhtFq2pvr

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://dddeiye.info/search/?q=67e28dd86e5ea47c130bff1f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffa15c1e9979e38

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/448-95-0x0000000000930000-0x00000000009D2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3328	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp
5096	keratodjprof.exe
448	keratodjprof.exe

Loads dropped DLL 3 IoCs

pid	Process
3328	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp
3328	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp
3328	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.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 3880 wrote to memory of 3328	3880	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.exe	79
PID 3880 wrote to memory of 3328	3880	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.exe	79
PID 3880 wrote to memory of 3328	3880	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.exe	79
PID 3328 wrote to memory of 5096	3328	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp	81
PID 3328 wrote to memory of 5096	3328	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp	81
PID 3328 wrote to memory of 5096	3328	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp	81
PID 3328 wrote to memory of 448	3328	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp	82
PID 3328 wrote to memory of 448	3328	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp	82
PID 3328 wrote to memory of 448	3328	375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp	82

C:\Users\Admin\AppData\Local\Temp\375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.exe
"C:\Users\Admin\AppData\Local\Temp\375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3880
- C:\Users\Admin\AppData\Local\Temp\is-0VSDE.tmp\375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-0VSDE.tmp\375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp" /SL5="$40218,4753408,54272,C:\Users\Admin\AppData\Local\Temp\375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3328
- - 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:5096
- - 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:448

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

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Downloads

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

Filesize
1.8MB

MD5
8cc23a6153a3c84765b34e7530690070

SHA1
9655bc2e08b712a33c2977927e41134240a7ebc4

SHA256
00fe2208efaa299aec53a24c8b6dd788dcf3c611bcacc80babd6691124e9a86a

SHA512
dce0c103b4c58ec70c5810d2a6ee5c7b7503887285e7e914f68221a872c42e67c3d01390e87bc5be221bb62972dfc85858df6d58a5a8d6ecb4a2284cfe49b6b8

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-0VSDE.tmp\375c91389d6bfd8c94236a32adf90180d92c9f79f8ae1b85a7a4aaf18f0c18aa.tmp

Filesize
696KB

MD5
0efe41ca4e901ed16c5c854c539593e2

SHA1
9b0bfc35e75ec092f54afe76680efabec0138d7f

SHA256
5e5167fe4565f7063be8e262c5c2a4a7608eb7b79246ae73607853c474993f1d

SHA512
857285c545f1fdecbba12ab21e6ad9b5ef43992ce88427fe78cc427f67109118fe6fa5375258b392930543537d46d07e5485107eedc11a582f4120341772cb66

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
19KB

MD5
c948b46ea1eb5757ecf75404571c31ce

SHA1
6665b8d48fea3538c7e043b7ab700778d86307a3

SHA256
3c5b63d61e00f30790c7df0f048473cb04d17e175d8177e86c7cf5062dcaad24

SHA512
6b326b34c8142ef2b75df7f83aed11400a86d19806730bab0515ccfcd6eb2ef71d6db707dbd48d8f1f8ff9e3eb6626af80d38394ebaf2742ef3df0d0ebe4f256

Download Submit
memory/448-102-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-108-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-124-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-121-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-117-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-74-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-114-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-111-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-76-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-105-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-96-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-79-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-82-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-83-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-86-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-89-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-92-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/448-95-0x0000000000930000-0x00000000009D2000-memory.dmp

Filesize
648KB

Download
memory/3328-78-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3328-7-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3880-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3880-77-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3880-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5096-65-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/5096-70-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/5096-71-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/5096-66-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download

Analysis

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