socks5systemz | 773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6

General

Target

773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.exe
Size

5.1MB
MD5

7d26f511c2149b527c48face0a8a476d
SHA1

8596884cbf2fecacd248367d1a6c65e813866e47
SHA256

773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6
SHA512

6a4283a95ddcb3bd3c62108b14a9537e63c601aeb0b98afde8b2209b4bb917f97e6b6e29ec603b90e086f7ecf85ccc0a04a64f57c56522db8efa860cdf3a026e
SSDEEP

98304:mxMQlk4GOrSPArd2YfZCZANPLXDbVpssdlVqT0tooGZmlXGvDlFBwEKX6zkHVaLX:Ulk4rSPOdyILTbVrHoT0too9lXGhgEK0

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://dleddri.info/search/?q=67e28dd86c5cf27a4508ad177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffa19c1ee939e3e

http://dleddri.info/search/?q=67e28dd86c5cf27a4508ad177c27d78406abdd88be4b12eab517aa5c96bd86ec938344805a8bbc896c58e713bc90c91836b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee90923acc699213

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/4200-93-0x0000000000890000-0x0000000000932000-memory.dmp	family_socks5systemz
behavioral1/memory/4200-119-0x0000000000890000-0x0000000000932000-memory.dmp	family_socks5systemz
behavioral1/memory/4200-118-0x0000000000890000-0x0000000000932000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4336	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp
1000	victoriapigments32.exe
4200	victoriapigments32.exe

Loads dropped DLL 3 IoCs

pid	Process
4336	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp
4336	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp
4336	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.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 3312 wrote to memory of 4336	3312	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.exe	84
PID 3312 wrote to memory of 4336	3312	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.exe	84
PID 3312 wrote to memory of 4336	3312	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.exe	84
PID 4336 wrote to memory of 1000	4336	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp	89
PID 4336 wrote to memory of 1000	4336	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp	89
PID 4336 wrote to memory of 1000	4336	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp	89
PID 4336 wrote to memory of 4200	4336	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp	90
PID 4336 wrote to memory of 4200	4336	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp	90
PID 4336 wrote to memory of 4200	4336	773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp	90

C:\Users\Admin\AppData\Local\Temp\773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.exe
"C:\Users\Admin\AppData\Local\Temp\773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Users\Admin\AppData\Local\Temp\is-OI2AT.tmp\773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-OI2AT.tmp\773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp" /SL5="$9016E,5064732,54272,C:\Users\Admin\AppData\Local\Temp\773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4336
- - C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments32.exe
    "C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1000
- - C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments32.exe
    "C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4200

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\Temp\is-KAUHS.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-OI2AT.tmp\773d60c23c002eb49e5ee695b2a1d5dfa8e1ba10258f79fa4cd22d686aaa0ae6.tmp

Filesize
677KB

MD5
a41c35089f6fa5bce33775f97150e521

SHA1
3e5e262867848ecc1d9dd8433aeb538fbc340e30

SHA256
c7365d77daa473eafe68fdc0c2233142561beafc084e2b4ec4e10332798261ae

SHA512
addd3f05fbaf0692b1e0bfc72d0e10f9b8467c4f12d5881b0b8f2ce2ee3de0f4c36352dd68bf77ee89623f05c61ae9b04e8325dcb63b7c032c04b82f1213c551

Download Submit
C:\Users\Admin\AppData\Local\Victoria Pigments\libeay32.dll

Filesize
1.9MB

MD5
876a839023b8f962a72d295da7495734

SHA1
62a7728679bc18784b1fbf1d013f7cece18cbec9

SHA256
a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

SHA512
e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

Download Submit
C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments32.exe

Filesize
2.1MB

MD5
048ef8c4148d02edb1ec9423e292ac15

SHA1
9c31aa771212433baeb717bbc578940e438fc64e

SHA256
af0053c992548db832be2498ba2ba0691c49f5d7435d87f495f7b70cae525e40

SHA512
83ffa6742dce0b1f49bde456b4661cb63beb3253478dc3dd903d10e4297cb4dce16b9454113fd7db3960e49859e52c47e2e771253b6f11d442848929bd29c1cb

Download Submit
memory/1000-65-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/1000-66-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/1000-71-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/1000-70-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/3312-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3312-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3312-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4200-82-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-102-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-126-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-78-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-123-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-81-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-85-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-88-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-91-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-93-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/4200-96-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-75-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-105-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-108-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-111-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-114-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-117-0x0000000000400000-0x0000000000628000-memory.dmp

Filesize
2.2MB

Download
memory/4200-119-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/4200-118-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/4336-12-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4336-77-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

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