socks5systemz | f41351d7243bc022a9ad7cef9714b5db968116046c791593993cb7a594b45eda

General

Target

0014d8b1a0ed89bf36986b85cdb98610N.exe
Size

4.8MB
MD5

0014d8b1a0ed89bf36986b85cdb98610
SHA1

c2939400f75e706ef89af1c0c6793f8533ac1909
SHA256

f41351d7243bc022a9ad7cef9714b5db968116046c791593993cb7a594b45eda
SHA512

d96818a8236863c045dc532286366bc497ecd3efd09f85d1b83b2ddf304d2c20f302715f557711b166665f9f143b095a494c8345babe2135ed0e5f80e6068a4e
SSDEEP

98304:CphCxs0oT62BRIGPOTRCEDt2ZcbjIhJqAeXZnl13qDWeRs7NA+WyQxkcp:Shks0MBJ3GtwcnIhJqAPWeRIq+pQZ

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2800-93-0x0000000002310000-0x00000000023B2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp
1924	maestromagicscore.exe
2800	maestromagicscore.exe

Loads dropped DLL 5 IoCs

pid	Process
1748	0014d8b1a0ed89bf36986b85cdb98610N.exe
1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp
1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp
1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp
1448	0014d8b1a0ed89bf36986b85cdb98610N.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	91.211.247.248

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

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	maestromagicscore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0014d8b1a0ed89bf36986b85cdb98610N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0014d8b1a0ed89bf36986b85cdb98610N.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	maestromagicscore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1448	1748	0014d8b1a0ed89bf36986b85cdb98610N.exe	30
PID 1748 wrote to memory of 1448	1748	0014d8b1a0ed89bf36986b85cdb98610N.exe	30
PID 1748 wrote to memory of 1448	1748	0014d8b1a0ed89bf36986b85cdb98610N.exe	30
PID 1748 wrote to memory of 1448	1748	0014d8b1a0ed89bf36986b85cdb98610N.exe	30
PID 1748 wrote to memory of 1448	1748	0014d8b1a0ed89bf36986b85cdb98610N.exe	30
PID 1748 wrote to memory of 1448	1748	0014d8b1a0ed89bf36986b85cdb98610N.exe	30
PID 1748 wrote to memory of 1448	1748	0014d8b1a0ed89bf36986b85cdb98610N.exe	30
PID 1448 wrote to memory of 1924	1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp	31
PID 1448 wrote to memory of 1924	1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp	31
PID 1448 wrote to memory of 1924	1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp	31
PID 1448 wrote to memory of 1924	1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp	31
PID 1448 wrote to memory of 2800	1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp	32
PID 1448 wrote to memory of 2800	1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp	32
PID 1448 wrote to memory of 2800	1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp	32
PID 1448 wrote to memory of 2800	1448	0014d8b1a0ed89bf36986b85cdb98610N.tmp	32

C:\Users\Admin\AppData\Local\Temp\0014d8b1a0ed89bf36986b85cdb98610N.exe
"C:\Users\Admin\AppData\Local\Temp\0014d8b1a0ed89bf36986b85cdb98610N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Temp\is-PQSFP.tmp\0014d8b1a0ed89bf36986b85cdb98610N.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-PQSFP.tmp\0014d8b1a0ed89bf36986b85cdb98610N.tmp" /SL5="$30144,4754741,54272,C:\Users\Admin\AppData\Local\Temp\0014d8b1a0ed89bf36986b85cdb98610N.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1448
- - C:\Users\Admin\AppData\Local\Maestro Magic Score\maestromagicscore.exe
    "C:\Users\Admin\AppData\Local\Maestro Magic Score\maestromagicscore.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1924
- - C:\Users\Admin\AppData\Local\Maestro Magic Score\maestromagicscore.exe
    "C:\Users\Admin\AppData\Local\Maestro Magic Score\maestromagicscore.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2800

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Maestro Magic Score\maestromagicscore.exe

Filesize
2.8MB

MD5
cb6dda2214edcfb0c2f6099bd282027f

SHA1
fe8c853146a9ae03849ccfcc746adfd66431ac2e

SHA256
ade1e8dd809c3d4f257e8c82dd521b1f5977a0e4aaeddd6844383be9bacce47f

SHA512
84c833088fb3448c1f8d572cbf5a9e2a016eecdab8d5698b999491a675a7187511ccc2169ce824a5d72463a68e65cfd5c5dd2a99e4a6922f674f7723bce52d02

Download Submit
\Users\Admin\AppData\Local\Temp\is-PQSFP.tmp\0014d8b1a0ed89bf36986b85cdb98610N.tmp

Filesize
680KB

MD5
993ac7e32bbff8c7dcb12b0f0a6ac820

SHA1
46129be51f383fc75286a3bcd2a0f12f8cc3485d

SHA256
68e8343bff99b4fd5771462702a164e0f5408c1797857be8aad3e58922818879

SHA512
f4933c7e6d4e0686340189656705b3febbeaa1889bc603e3e4dc46def510397c3a0aebd1ea5d47586d3ba29adaf47719aae24cf0bf865530deab4233c56217a3

Download Submit
\Users\Admin\AppData\Local\Temp\is-R7PG5.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-R7PG5.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1448-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1448-63-0x0000000003320000-0x00000000035EB000-memory.dmp

Filesize
2.8MB

Download
memory/1448-79-0x0000000003320000-0x00000000035EB000-memory.dmp

Filesize
2.8MB

Download
memory/1448-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1748-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1748-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1748-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1924-65-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/1924-66-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/1924-70-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-76-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-93-0x0000000002310000-0x00000000023B2000-memory.dmp

Filesize
648KB

Download
memory/2800-80-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-83-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-86-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-89-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-92-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-72-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-99-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-102-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-105-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-108-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-111-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-114-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-118-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2800-121-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download

Analysis

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