socks5systemz | 1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e

General

Target

1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe
Size

5.1MB
MD5

3fc3f8614cb6ee294f9dec735ca481aa
SHA1

904fc7054f1b124abb6bbce188d41860efaa7304
SHA256

1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e
SHA512

fcee9601905551959080494a94332c56a1b24a8d6339345b6b5bacfda2dde7948500a86a4b89d81d67a137d9bb754b2f25620519bf5837cf4cac91127d0dd419
SSDEEP

98304:mgV569moze9t0isY5+rNx4LwVmgeDMx3hnT7Ma3tm3dOtpucq2t2:J56Iyg5Ux4cVjiq3tcdsz2

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2516-95-0x00000000024E0000-0x0000000002582000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp
2604	maxpad32.exe
2516	maxpad32.exe

Loads dropped DLL 6 IoCs

pid	Process
1712	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe
2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp
2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp
2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp
2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp
2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.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 FindShellTrayWindow 1 IoCs

pid	Process
2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2144	1712	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe	28
PID 1712 wrote to memory of 2144	1712	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe	28
PID 1712 wrote to memory of 2144	1712	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe	28
PID 1712 wrote to memory of 2144	1712	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe	28
PID 1712 wrote to memory of 2144	1712	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe	28
PID 1712 wrote to memory of 2144	1712	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe	28
PID 1712 wrote to memory of 2144	1712	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe	28
PID 2144 wrote to memory of 2604	2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp	29
PID 2144 wrote to memory of 2604	2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp	29
PID 2144 wrote to memory of 2604	2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp	29
PID 2144 wrote to memory of 2604	2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp	29
PID 2144 wrote to memory of 2516	2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp	30
PID 2144 wrote to memory of 2516	2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp	30
PID 2144 wrote to memory of 2516	2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp	30
PID 2144 wrote to memory of 2516	2144	1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp	30

C:\Users\Admin\AppData\Local\Temp\1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe
"C:\Users\Admin\AppData\Local\Temp\1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\is-8V7N5.tmp\1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-8V7N5.tmp\1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp" /SL5="$30136,5107272,54272,C:\Users\Admin\AppData\Local\Temp\1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2144
- - C:\Users\Admin\AppData\Local\MaxPad\maxpad32.exe
    "C:\Users\Admin\AppData\Local\MaxPad\maxpad32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2604
- - C:\Users\Admin\AppData\Local\MaxPad\maxpad32.exe
    "C:\Users\Admin\AppData\Local\MaxPad\maxpad32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2516

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\MaxPad\maxpad32.exe

Filesize
2.2MB

MD5
ebe49cfe2c8a790869eaf8c3fa276c82

SHA1
79f96b358023e303b041577776805863d6439552

SHA256
a4896df9d16ddb9731bd99e555f5fae795e7d185754f66a6e0dc253b833bbc4d

SHA512
3acb28666a369662fb35e414edc482d892b9a532a4bf374d5d50162748b403637bd99445db44372ee315970b349dc0127333c67f93f72e5770d9368f3921efc3

Download Submit
\Users\Admin\AppData\Local\Temp\is-8V7N5.tmp\1dfe4fa3a0c76f75012065ecf9d5ee298a27d6125cddcc003437385e8b79c86e.tmp

Filesize
680KB

MD5
3c22f4ba1a54bd7c893cda0d06a453a0

SHA1
a7e446f9a63c244326ce97be963e07fe2937c456

SHA256
c6bc0aff8501f57e2a6c1e3b297a39a4949cf52f7a167f804145745dbeb63f8c

SHA512
387c8babf5557569dab2830332f2bf961477a1aa6e918600f94d02fa2c37ae79000b02cf16eaa073288f42fec8378043f1d3163159d36f82ccc319468a56e21f

Download Submit
\Users\Admin\AppData\Local\Temp\is-KDFA1.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-KDFA1.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-KDFA1.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1712-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1712-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1712-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2144-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2144-67-0x0000000003350000-0x000000000357B000-memory.dmp

Filesize
2.2MB

Download
memory/2144-79-0x0000000003350000-0x000000000357B000-memory.dmp

Filesize
2.2MB

Download
memory/2144-77-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2516-85-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-116-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-140-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-78-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-135-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-82-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-132-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-88-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-91-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-94-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-95-0x00000000024E0000-0x0000000002582000-memory.dmp

Filesize
648KB

Download
memory/2516-101-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-104-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-107-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-110-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-113-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-74-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-120-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-123-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-126-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2516-129-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2604-68-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2604-69-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/2604-72-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download

Analysis

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