socks5systemz | 4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97

General

Target

4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe
Size

3.8MB
MD5

284816f20aadc178d9e8c78429c63585
SHA1

d61e83d9475cec4233f58c448a93b4ad8a186e16
SHA256

4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97
SHA512

33c4095c30d86dc85b5994b822ee7417cf2e264417703bb6240a60d4bc44db35477bb31ef78545704bb790acd0b912aa109aa18c1f09f482322d2fe13f53e085
SSDEEP

98304:Nphimgzg64xdy87kHEn1sIfQwWU3CEMfVTOHdAR:trnk8791s4QZZfVTWU

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1704-91-0x0000000002740000-0x00000000027E2000-memory.dmp	family_socks5systemz
behavioral1/memory/1704-113-0x0000000002740000-0x00000000027E2000-memory.dmp	family_socks5systemz
behavioral1/memory/1704-114-0x0000000002740000-0x00000000027E2000-memory.dmp	family_socks5systemz
behavioral1/memory/1704-115-0x0000000002740000-0x00000000027E2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp
2720	gamespot.exe
1704	gamespot.exe

Loads dropped DLL 6 IoCs

pid	Process
1596	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe
2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp
2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp
2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp
2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp
2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.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	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

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	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gamespot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gamespot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp
2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 2184	1596	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe	31
PID 1596 wrote to memory of 2184	1596	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe	31
PID 1596 wrote to memory of 2184	1596	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe	31
PID 1596 wrote to memory of 2184	1596	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe	31
PID 1596 wrote to memory of 2184	1596	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe	31
PID 1596 wrote to memory of 2184	1596	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe	31
PID 1596 wrote to memory of 2184	1596	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe	31
PID 2184 wrote to memory of 2720	2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp	32
PID 2184 wrote to memory of 2720	2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp	32
PID 2184 wrote to memory of 2720	2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp	32
PID 2184 wrote to memory of 2720	2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp	32
PID 2184 wrote to memory of 1704	2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp	33
PID 2184 wrote to memory of 1704	2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp	33
PID 2184 wrote to memory of 1704	2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp	33
PID 2184 wrote to memory of 1704	2184	4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp	33

C:\Users\Admin\AppData\Local\Temp\4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe
"C:\Users\Admin\AppData\Local\Temp\4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Users\Admin\AppData\Local\Temp\is-8KJPM.tmp\4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-8KJPM.tmp\4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp" /SL5="$400F4,3726614,54272,C:\Users\Admin\AppData\Local\Temp\4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Users\Admin\AppData\Local\Game Spot\gamespot.exe
    "C:\Users\Admin\AppData\Local\Game Spot\gamespot.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2720
- - C:\Users\Admin\AppData\Local\Game Spot\gamespot.exe
    "C:\Users\Admin\AppData\Local\Game Spot\gamespot.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1704

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 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\Game Spot\gamespot.exe

Filesize
3.9MB

MD5
7db26c3c845e868dc222b759de8b570d

SHA1
cda84aecdcd9b5674cc16b6c1022fa7f2992f3b4

SHA256
7fc88828460dd340bcf8fe17a7af43b2a9dfbaa0dffca0c29bd95351cae8e012

SHA512
bc254b2a53c9ec31f326fc3d34761153426ebb27f7fd2c2bc661a9969f95dd82497a3ccd7df35f84cc8b91c0036b0b6d42b3878b4b184a4e998d7397ad567d64

Download Submit
\Users\Admin\AppData\Local\Temp\is-44VGJ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-44VGJ.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-8KJPM.tmp\4a4533687292a03d95a4499d1a6c3a40fc6ce31c2114f149eb5846ea69d3be97.tmp

Filesize
692KB

MD5
4746a898d1ad9e9aa29b220c6af7d7cb

SHA1
d936495b3a582a80fcab2962f33a1d72db607c1d

SHA256
7795ba1ae106fe1e3e05074dc7ee8c74f9ecd3dce7d6764b5b5fe3abaced8215

SHA512
71479f6798f23f94b716cfac8386db4ff36df32fe09246c0f83090959d618e90a345d2ce1ea2d45c5737e381016031bd3a3a69e2ac82faa50b6feb09bcf871b5

Download Submit
memory/1596-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1596-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1596-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-101-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-107-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-125-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-120-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-115-0x0000000002740000-0x00000000027E2000-memory.dmp

Filesize
648KB

Download
memory/1704-66-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-114-0x0000000002740000-0x00000000027E2000-memory.dmp

Filesize
648KB

Download
memory/1704-113-0x0000000002740000-0x00000000027E2000-memory.dmp

Filesize
648KB

Download
memory/1704-110-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-104-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-72-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-73-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-76-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-79-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-82-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-86-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-90-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-91-0x0000000002740000-0x00000000027E2000-memory.dmp

Filesize
648KB

Download
memory/1704-95-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/1704-98-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/2184-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2184-71-0x00000000047A0000-0x0000000004B87000-memory.dmp

Filesize
3.9MB

Download
memory/2184-70-0x00000000047A0000-0x0000000004B87000-memory.dmp

Filesize
3.9MB

Download
memory/2184-56-0x00000000047A0000-0x0000000004B87000-memory.dmp

Filesize
3.9MB

Download
memory/2184-65-0x00000000047A0000-0x0000000004B87000-memory.dmp

Filesize
3.9MB

Download
memory/2184-58-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2720-57-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/2720-62-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download
memory/2720-59-0x0000000000400000-0x00000000007E7000-memory.dmp

Filesize
3.9MB

Download

Analysis

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