socks5systemz | f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60

General

Target

f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.exe
Size

5.2MB
MD5

21bda1510c99466bf74a0b47f4614265
SHA1

4e7690fbc39111b526f4cdf183986a4eb496bd45
SHA256

f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60
SHA512

b45e86e03e9f736210c127e45dd87575d39224352bdd611777c558f8af416ea25bfe38353819e30d0d00153d6ecf43c4353542bdebcb4f188047306c344cb7a6
SSDEEP

98304:mTtALAAFVYApRjrkw+UzZVGpPrrJkwGfEPAyA2Vv2NOvp4a/hvuTdpM:FA6VYAPf3RoTtTGfEPAyA2QUvL/hvuTQ

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bfbfnfe.com/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffa18c0e9949239

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3540-84-0x0000000002550000-0x00000000025F2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4896	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.tmp
1812	gloryxtvvoice.exe
3540	gloryxtvvoice.exe

Loads dropped DLL 1 IoCs

pid	Process
4896	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.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 5052 wrote to memory of 4896	5052	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.exe	72
PID 5052 wrote to memory of 4896	5052	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.exe	72
PID 5052 wrote to memory of 4896	5052	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.exe	72
PID 4896 wrote to memory of 1812	4896	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.tmp	73
PID 4896 wrote to memory of 1812	4896	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.tmp	73
PID 4896 wrote to memory of 1812	4896	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.tmp	73
PID 4896 wrote to memory of 3540	4896	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.tmp	74
PID 4896 wrote to memory of 3540	4896	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.tmp	74
PID 4896 wrote to memory of 3540	4896	f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.tmp	74

C:\Users\Admin\AppData\Local\Temp\f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.exe
"C:\Users\Admin\AppData\Local\Temp\f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Users\Admin\AppData\Local\Temp\is-E04JM.tmp\f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-E04JM.tmp\f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.tmp" /SL5="$6014A,5168130,54272,C:\Users\Admin\AppData\Local\Temp\f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4896
- - C:\Users\Admin\AppData\Local\GLORY XTV Voice\gloryxtvvoice.exe
    "C:\Users\Admin\AppData\Local\GLORY XTV Voice\gloryxtvvoice.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1812
- - C:\Users\Admin\AppData\Local\GLORY XTV Voice\gloryxtvvoice.exe
    "C:\Users\Admin\AppData\Local\GLORY XTV Voice\gloryxtvvoice.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3540

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\GLORY XTV Voice\gloryxtvvoice.exe

Filesize
3.3MB

MD5
448c8b0432e80353c3f806af7a5214a2

SHA1
64f50dbbcb74e1281bd7636473242b3008199faa

SHA256
976f54645fdcbb15128111ae22f9e91987af1e34d4e89d5ffae8d949360080d1

SHA512
0e9b9cbc0df17b25ca9f65b87ed2b9bda0e4f2517672688fa9b26498a48476d80c46390bb14559ae9008f6060033681461e51d093abebdb5ab49db6ea9ffdb1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-E04JM.tmp\f4221943c6ecf049883996c0143b0d2cf873eb22f1ce2e040687de50508e4e60.tmp

Filesize
677KB

MD5
3c1d7c24ac7c40db15d4d9089ccacebc

SHA1
f08cca6e44795d41dd25b9ce036892257f5df353

SHA256
53c43c2210354dc1570456e4b43188632cc6f1edb2cdd1daae5c974c67f21496

SHA512
f335ac1e217a973d922ef79438db79aee0e069177b9b61de65d4a98f2a523c6840967b333967f1a5a285773d5c193e63b90fac78fe3a2f03c3a61f3d51af660b

Download Submit
\Users\Admin\AppData\Local\Temp\is-BGOR3.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1812-59-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/1812-63-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/1812-60-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-81-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-91-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-130-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-66-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-125-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-122-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-69-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-72-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-75-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-78-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-119-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-84-0x0000000002550000-0x00000000025F2000-memory.dmp

Filesize
648KB

Download
memory/3540-86-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-116-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-94-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-97-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-100-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-103-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-106-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-110-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/3540-113-0x0000000000400000-0x0000000000759000-memory.dmp

Filesize
3.3MB

Download
memory/4896-12-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4896-68-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5052-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5052-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5052-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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