socks5systemz | a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342

General

Target

a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.exe
Size

5.5MB
MD5

618657ac63fb25d0c082be57fb66c63d
SHA1

1097c94b915289e923f7f1327f411b802fae90f0
SHA256

a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342
SHA512

16087aec271a4f98af22c27fb3c63326b26b262547413cce0b0ea9d5e74cdf0b861e254dafc42cd99b02eb7242c2851d03ce22fefe8c8b233f9e9ecc9596b01d
SSDEEP

98304:mIMspkNNwok2gwNZkYKfs7i0tLQp6gjSdsNlyJquP4Fmc+Umh4fuWG4M591IvkgL:ghwoLgwU5s7i0tMp6MSds+Jq+Sklh4vR

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://aaudbiv.ru/search/?q=67e28dd86d0ca420440ef91f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffa16c7e9939a38

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/3460-94-0x0000000000960000-0x0000000000A02000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4848	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp
1972	victoriapigments.exe
3460	victoriapigments.exe

Loads dropped DLL 3 IoCs

pid	Process
4848	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp
4848	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp
4848	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.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 3812 wrote to memory of 4848	3812	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.exe	82
PID 3812 wrote to memory of 4848	3812	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.exe	82
PID 3812 wrote to memory of 4848	3812	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.exe	82
PID 4848 wrote to memory of 1972	4848	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp	86
PID 4848 wrote to memory of 1972	4848	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp	86
PID 4848 wrote to memory of 1972	4848	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp	86
PID 4848 wrote to memory of 3460	4848	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp	87
PID 4848 wrote to memory of 3460	4848	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp	87
PID 4848 wrote to memory of 3460	4848	a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp	87

C:\Users\Admin\AppData\Local\Temp\a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.exe
"C:\Users\Admin\AppData\Local\Temp\a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Users\Admin\AppData\Local\Temp\is-NTFTB.tmp\a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-NTFTB.tmp\a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp" /SL5="$7006C,5478698,54272,C:\Users\Admin\AppData\Local\Temp\a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe
    "C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1972
- - C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe
    "C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3460

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-30SG5.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-30SG5.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-NTFTB.tmp\a17c587d6b22121727752f793fc982f36ee897398ded91e2408abefe270a4342.tmp

Filesize
677KB

MD5
b0e392bef736eefdab59adbcbd328bfb

SHA1
2c8ee12d403f18986e4a6e778f7b0fed6af60464

SHA256
08e30111a49a92611b79b803d1ce41bb6886379d4161d5f432e4262ffa368202

SHA512
e3c774c4645d62c617f1c44dbde71c281b711d9735dd70eca06696995cf6a85f96f663460bc56a6b52f64b512cc1506271195f2f15e831fcd8b767097661d382

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\victoriapigments.exe

Filesize
2.4MB

MD5
e2beeafd23de0a52f3d26bf7266560c9

SHA1
f77dad9727939876647d7313b9c223227885dd61

SHA256
366eb4cf9a6c202fde7ca52b4eded1535264e149c302bb5849c3e4ae2bb65549

SHA512
730c17624afab9327d05fb0daad928fc8e9e54751c1d7667b7aff3ebad3e01ed283d5e024d70bf5930e95a30c9dc853004467598459f17cde068c06831136fd6

Download Submit
memory/1972-70-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/1972-69-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/1972-65-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/1972-66-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-95-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-90-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-123-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-74-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-120-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-116-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-77-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-81-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-80-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-84-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-87-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-113-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-110-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-94-0x0000000000960000-0x0000000000A02000-memory.dmp

Filesize
648KB

Download
memory/3460-101-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-104-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3460-107-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3812-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3812-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3812-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4848-13-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4848-76-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

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