socks5systemz | d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8

General

Target

d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe
Size

4.9MB
MD5

3826c8fb8a2b5c55df63303f0210fc52
SHA1

fca401b5524c4b7ce101095ef400c17b3770a867
SHA256

d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8
SHA512

cc06112d56572c4b0385614fbd2ff9da7edc8e80687b0b243cef6371d40677ee722e80ad3ac6c74fbb7d4fb3bf2f6e88126b532537dcce396735bbe794c7eaf1
SSDEEP

98304:CF82m6s6p6JrEebEW3YjUm7YnBjyZ8wljrx4uZvylIy1XgNOUXQx0:52mf6p6hw0COBjyZbjH6IyxIOIQW

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/4052-88-0x0000000000A70000-0x0000000000B12000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3408	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp
2004	djpromix32.exe
4052	djpromix32.exe

Loads dropped DLL 1 IoCs

pid	Process
3408	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.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	152.89.198.214

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 FindShellTrayWindow 1 IoCs

pid	Process
3408	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 3408	3996	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe	85
PID 3996 wrote to memory of 3408	3996	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe	85
PID 3996 wrote to memory of 3408	3996	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe	85
PID 3408 wrote to memory of 2004	3408	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp	86
PID 3408 wrote to memory of 2004	3408	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp	86
PID 3408 wrote to memory of 2004	3408	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp	86
PID 3408 wrote to memory of 4052	3408	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp	87
PID 3408 wrote to memory of 4052	3408	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp	87
PID 3408 wrote to memory of 4052	3408	d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp	87

C:\Users\Admin\AppData\Local\Temp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe
"C:\Users\Admin\AppData\Local\Temp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Users\Admin\AppData\Local\Temp\is-I1EMD.tmp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-I1EMD.tmp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp" /SL5="$70064,4845139,54272,C:\Users\Admin\AppData\Local\Temp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3408
- - C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe
    "C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2004
- - C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe
    "C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4052

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\DJ Pro Mix\djpromix32.exe

Filesize
3.5MB

MD5
879fd55c42ee8c606964409a8c1decdb

SHA1
cd40ed6b3fbc806b87f87d604a72b24c230a1f4e

SHA256
599dda7b0a5386953b076364f2cfa59f042a50faad96da3c3fccf29e05a86261

SHA512
e67f02d74fc985ac602e0b122dc6da487da6b38d5f95ce4d3aa462241cda35a4331b718f36f12e4e9ce0475ca9da02214460a7e1fc51ecf3d91328525733dc8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-I1EMD.tmp\d93edcb4cb1503b1886957e50c53582d3d7105974a7b737cd3f166443d8107a8.tmp

Filesize
680KB

MD5
44714eda71761bd1288110ca9c46b096

SHA1
655d1bbf10023fc7e733643c1fe56d1d737b5e74

SHA256
5022783c59d9e2a305ae3afcc87baa40d7647618d4f08178a2f14ffcc955a426

SHA512
7cab0490c08bec7938ce23d1bf486ec143614a6dd8a895de82432793a9d32771f40478c7ad6b2bc0975fbc2d8cedb49bc810204d87b8c99d8a0c7234aea33ba9

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-O63O1.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2004-60-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2004-61-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2004-62-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/2004-65-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/3408-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3408-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3996-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3996-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3996-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4052-74-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-94-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-68-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-77-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-78-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-81-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-84-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-87-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-88-0x0000000000A70000-0x0000000000B12000-memory.dmp

Filesize
648KB

Download
memory/4052-71-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-97-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-100-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-103-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-106-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-109-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-113-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download
memory/4052-116-0x0000000000400000-0x0000000000786000-memory.dmp

Filesize
3.5MB

Download

Analysis

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