socks5systemz | 58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6

General

Target

58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe
Size

4.9MB
MD5

7a318458390dad5e32fcb14d1a4a84f4
SHA1

18af4da09a45f36bd2573b3b5f5a2f7434f442a2
SHA256

58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6
SHA512

65206d28e70f2130d876c3e23a39618c7d561e9305708bec71fa81a618779bf1a2ebffe4d013cf85520cf18bbd1171f7140acb3554e76b080052546f0250731d
SSDEEP

98304:mXu2p0/zpaaQlCXkMOre73RSBunL+a7KSd3HNgXz0:MY9QAv+ej6unSzAXiD0

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ezpfdon.ua

gwcwxdz.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2440-92-0x00000000025D0000-0x0000000002672000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp
2648	recordpadsoundrecorder32.exe
2440	recordpadsoundrecorder32.exe

Loads dropped DLL 5 IoCs

pid	Process
1088	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe
2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp
2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp
2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp
2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp

Unexpected DNS network traffic destination 13 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
Destination IP	152.89.198.214
Destination IP	45.155.250.90
Destination IP	141.98.234.31
Destination IP	81.31.197.38
Destination IP	141.98.234.31
Destination IP	81.31.197.38
Destination IP	152.89.198.214
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	91.211.247.248
Destination IP	45.155.250.90
Destination IP	45.155.250.90

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
2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 2072	1088	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe	28
PID 1088 wrote to memory of 2072	1088	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe	28
PID 1088 wrote to memory of 2072	1088	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe	28
PID 1088 wrote to memory of 2072	1088	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe	28
PID 1088 wrote to memory of 2072	1088	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe	28
PID 1088 wrote to memory of 2072	1088	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe	28
PID 1088 wrote to memory of 2072	1088	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe	28
PID 2072 wrote to memory of 2648	2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp	29
PID 2072 wrote to memory of 2648	2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp	29
PID 2072 wrote to memory of 2648	2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp	29
PID 2072 wrote to memory of 2648	2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp	29
PID 2072 wrote to memory of 2440	2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp	30
PID 2072 wrote to memory of 2440	2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp	30
PID 2072 wrote to memory of 2440	2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp	30
PID 2072 wrote to memory of 2440	2072	58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp	30

C:\Users\Admin\AppData\Local\Temp\58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe
"C:\Users\Admin\AppData\Local\Temp\58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Users\Admin\AppData\Local\Temp\is-M31U8.tmp\58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-M31U8.tmp\58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp" /SL5="$4001C,4897472,54272,C:\Users\Admin\AppData\Local\Temp\58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Users\Admin\AppData\Local\RecordPad Sound Recorder\recordpadsoundrecorder32.exe
    "C:\Users\Admin\AppData\Local\RecordPad Sound Recorder\recordpadsoundrecorder32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2648
- - C:\Users\Admin\AppData\Local\RecordPad Sound Recorder\recordpadsoundrecorder32.exe
    "C:\Users\Admin\AppData\Local\RecordPad Sound Recorder\recordpadsoundrecorder32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2440

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

\Users\Admin\AppData\Local\RecordPad Sound Recorder\recordpadsoundrecorder32.exe

Filesize
3.0MB

MD5
85de0e801dceb329aaa693d991eefb3d

SHA1
29691ed98cc78114ae3bc2c65d71a0c0bec407e3

SHA256
557d7a42df25bc530d4c08acdfd21b3babac5952d1c7704b0dbf600e9f52136c

SHA512
7d7084cb5ae83cd02a0dfa871dbf7a5f8bda644b29962b724aef19cb5892162a9a0118fd3d270753a7b83545a6435fe06680f88c3b965d63133ed1ab2c217810

Download Submit
\Users\Admin\AppData\Local\Temp\is-DISK5.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-DISK5.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-M31U8.tmp\58a1b5fa55d6f1aa1eb16e2a4d80da2d00ac9be1ac7af2c764baababdb7b2ce6.tmp

Filesize
680KB

MD5
8ef7001015e126e74bc41268504ca1e2

SHA1
b30c0fa54ecb63c735407144a3297e0b9d881e27

SHA256
e06e234073ae4a9df232aa1d535f02429a371748e164606c1b1a4c74bd98c56c

SHA512
122df0a13f2d0c3103f0f686863cfab46114a417c5d6a4382410c2ccf0aa3e9859d8e760b5c1860c776b1064f5bccbf1e8aa50108f948f9240a5dd80d31cf17b

Download Submit
memory/1088-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2072-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2072-63-0x0000000003920000-0x0000000003C28000-memory.dmp

Filesize
3.0MB

Download
memory/2072-78-0x0000000003920000-0x0000000003C28000-memory.dmp

Filesize
3.0MB

Download
memory/2072-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2440-104-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-98-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-134-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-75-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-131-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-79-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-82-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-85-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-88-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-91-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-92-0x00000000025D0000-0x0000000002672000-memory.dmp

Filesize
648KB

Download
memory/2440-71-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-101-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-128-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-107-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-110-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-113-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-116-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-119-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-122-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2440-125-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2648-65-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2648-66-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download
memory/2648-69-0x0000000000400000-0x0000000000708000-memory.dmp

Filesize
3.0MB

Download

Analysis

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