socks5systemz | 8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be

General

Target

8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe
Size

5.4MB
MD5

aeefbb1694766cb042d5d3651a548c1e
SHA1

a6e594f8d0dbceeb203c6d2209b70697353154e0
SHA256

8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be
SHA512

4f24653c75f8652bc639bc5a7b2bc6176160365a8b0b302d4fa29a3c80a188aed3435b98d66e9acb530a122fe5a5a5d7cf88bb7b133326df2c2660e4c4f25025
SSDEEP

98304:CBSajnxFTvUtPvrHBs6ZusRPqDON9rdPVozTEaVJqYD12DqlgjSevKUguLEgadka:mSajnL7UtPvrHBsqBs4rdtoJVJqy2Dqz

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2512-193-0x0000000002890000-0x0000000002932000-memory.dmp	family_socks5systemz
behavioral1/memory/2512-216-0x0000000002890000-0x0000000002932000-memory.dmp	family_socks5systemz
behavioral1/memory/2512-217-0x0000000002890000-0x0000000002932000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz
Executes dropped EXE 2 IoCs

Processes:

8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmpavitb32.exe

pid process

3016 8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
2512 avitb32.exe

pid	process
3016	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
2512	avitb32.exe

Loads dropped DLL 5 IoCs

Processes:

8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp

pid	process
1860	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe
3016	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
3016	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
3016	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
3016	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp

Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc
Destination IP	45.155.250.90

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

avitb32.exe8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avitb32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp

pid process

3016 8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp

pid	process
3016	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp

description	pid	process	target process
PID 1860 wrote to memory of 3016	1860	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
PID 1860 wrote to memory of 3016	1860	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
PID 1860 wrote to memory of 3016	1860	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
PID 1860 wrote to memory of 3016	1860	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
PID 1860 wrote to memory of 3016	1860	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
PID 1860 wrote to memory of 3016	1860	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
PID 1860 wrote to memory of 3016	1860	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
PID 3016 wrote to memory of 2512	3016	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp	avitb32.exe
PID 3016 wrote to memory of 2512	3016	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp	avitb32.exe
PID 3016 wrote to memory of 2512	3016	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp	avitb32.exe
PID 3016 wrote to memory of 2512	3016	8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp	avitb32.exe

C:\Users\Admin\AppData\Local\Temp\8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe
"C:\Users\Admin\AppData\Local\Temp\8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Local\Temp\is-DG7NL.tmp\8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-DG7NL.tmp\8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp" /SL5="$4010A,5442673,54272,C:\Users\Admin\AppData\Local\Temp\8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3016
- - C:\Users\Admin\AppData\Local\AVIToolbox 6.18\avitb32.exe
    "C:\Users\Admin\AppData\Local\AVIToolbox 6.18\avitb32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2512

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

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Downloads

\Users\Admin\AppData\Local\AVIToolbox 6.18\avitb32.exe

Filesize
2.6MB

MD5
38867e40a4391c6138e49954fe5f9439

SHA1
7bfb3f22d734184ac828f18cc49f402f7fbf3d63

SHA256
8439a56bed4bcfc53ced6935f2265fcbe6266b1cfd6e89820b9fd1d8fa903781

SHA512
336581eca90684b9f175f9805d630e6a348f83f4ce74a6c851131016729c591f263455d535bb22603e2c20c10e849a9cdaee06eac8ebe2a7057692d8dd355517

Download Submit
\Users\Admin\AppData\Local\Temp\is-181SK.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-181SK.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-DG7NL.tmp\8c483e62079bd5a0eb60543f87364c059aabeb222c276bdfb7edb0472e3b46be.tmp

Filesize
680KB

MD5
092c032b0a8aade477c1d71b61dcd329

SHA1
a0f94d67406241d7a37b98119786e8bc95ba199a

SHA256
585cbbdb873d4ef823cc7724cd880164506dd3d2988f4372564a8e9dff335c47

SHA512
e3dc213467965fb17538bc5cbd11595d17e2f87da71d87454fdeec6ad8f397d8c647dfc0b39d296c11c17db052036e4b9045fd7eb77ad863ae2e17fcb3fc8821

Download Submit
memory/1860-175-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1860-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1860-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2512-203-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-193-0x0000000002890000-0x0000000002932000-memory.dmp

Filesize
648KB

Download
memory/2512-171-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-224-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-221-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-177-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-180-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-183-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-186-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-189-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-192-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-170-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-199-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-217-0x0000000002890000-0x0000000002932000-memory.dmp

Filesize
648KB

Download
memory/2512-216-0x0000000002890000-0x0000000002932000-memory.dmp

Filesize
648KB

Download
memory/2512-206-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-209-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-212-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/2512-215-0x0000000000400000-0x00000000006AD000-memory.dmp

Filesize
2.7MB

Download
memory/3016-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3016-202-0x0000000003C70000-0x0000000003F1D000-memory.dmp

Filesize
2.7MB

Download
memory/3016-169-0x0000000003C70000-0x0000000003F1D000-memory.dmp

Filesize
2.7MB

Download
memory/3016-174-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads