socks5systemz | d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6

General

Target

d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe
Size

4.2MB
MD5

dbe938c4fef8fcae971266c23d42a2fc
SHA1

a53ad1315357a46aa2f00dbedf94290e57eef552
SHA256

d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6
SHA512

ed85a568fe819a3b4a3d8e517eccacb3dfc817c7c2db0219b2ec603b5e909724daab3d04f83adae5195600fadf561f4357c695f94ce8f02d6ad2fd2bcc4ae4ca
SSDEEP

98304:yiibCndb76PZdLIC5z6rMEkqhlzFwp4VLQZoPabJml8eNnik0kn:3i2ndbq3L7dulhlzCOVUUiOvNik0S

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dlgxotf.info

http://dlgxotf.info/search/?q=67e28dd86d58f479430aac1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf719c8ec90

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2672-80-0x00000000027A0000-0x0000000002842000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
1944	is-37CN4.tmp
2948	sunvox.exe
2672	sunvox.exe

Loads dropped DLL 10 IoCs

pid	Process
2424	d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe
1944	is-37CN4.tmp
1944	is-37CN4.tmp
1944	is-37CN4.tmp
1944	is-37CN4.tmp
2948	sunvox.exe
2948	sunvox.exe
1944	is-37CN4.tmp
2672	sunvox.exe
2672	sunvox.exe

Unexpected DNS network traffic destination 3 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	flow	ioc	pid	Process
Destination IP	2	141.98.234.31	2672	sunvox.exe
Destination IP	3	152.89.198.214	2672	sunvox.exe
Destination IP	6	91.211.247.248	2672	sunvox.exe

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	sunvox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	is-37CN4.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sunvox.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1944	2424	d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe	30
PID 2424 wrote to memory of 1944	2424	d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe	30
PID 2424 wrote to memory of 1944	2424	d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe	30
PID 2424 wrote to memory of 1944	2424	d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe	30
PID 2424 wrote to memory of 1944	2424	d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe	30
PID 2424 wrote to memory of 1944	2424	d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe	30
PID 2424 wrote to memory of 1944	2424	d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe	30
PID 1944 wrote to memory of 2948	1944	is-37CN4.tmp	31
PID 1944 wrote to memory of 2948	1944	is-37CN4.tmp	31
PID 1944 wrote to memory of 2948	1944	is-37CN4.tmp	31
PID 1944 wrote to memory of 2948	1944	is-37CN4.tmp	31
PID 1944 wrote to memory of 2948	1944	is-37CN4.tmp	31
PID 1944 wrote to memory of 2948	1944	is-37CN4.tmp	31
PID 1944 wrote to memory of 2948	1944	is-37CN4.tmp	31
PID 1944 wrote to memory of 2672	1944	is-37CN4.tmp	32
PID 1944 wrote to memory of 2672	1944	is-37CN4.tmp	32
PID 1944 wrote to memory of 2672	1944	is-37CN4.tmp	32
PID 1944 wrote to memory of 2672	1944	is-37CN4.tmp	32
PID 1944 wrote to memory of 2672	1944	is-37CN4.tmp	32
PID 1944 wrote to memory of 2672	1944	is-37CN4.tmp	32
PID 1944 wrote to memory of 2672	1944	is-37CN4.tmp	32

C:\Users\Admin\AppData\Local\Temp\d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe
"C:\Users\Admin\AppData\Local\Temp\d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\is-5AL30.tmp\is-37CN4.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-5AL30.tmp\is-37CN4.tmp" /SL4 $400E0 "C:\Users\Admin\AppData\Local\Temp\d9550d4c11681861c7596334d1c63398826b790751aede4f68edb3f605f627a6.exe" 4057671 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Users\Admin\AppData\Local\Sun Vox\sunvox.exe
    "C:\Users\Admin\AppData\Local\Sun Vox\sunvox.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2948
- - C:\Users\Admin\AppData\Local\Sun Vox\sunvox.exe
    "C:\Users\Admin\AppData\Local\Sun Vox\sunvox.exe" -s
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:2672

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\Sun Vox\sunvox.exe

Filesize
2.8MB

MD5
382386698fd4634831bf887557ae6f05

SHA1
bccb28ac8a2063687bc391a5a79604cda984eeb1

SHA256
8ad7df02abcc4ba3039aa9c23465d0c480c7e4930da88ca76d648dba82d3ecfb

SHA512
bcb9e5b2449a77f7ce4cdb23c6706ded4db94575493ce11030384924b7359abc695fc613bfccea2d1dee9405422f7f44d2c46a79dc906ef9f48c6341637a070a

Download Submit
\Users\Admin\AppData\Local\Temp\is-5AL30.tmp\is-37CN4.tmp

Filesize
642KB

MD5
54f4f42091ef06d74cd8dcf85c0605dd

SHA1
5acfc7a4327eb5185e53ce182c6abd540a3135f4

SHA256
a5738242286d73f836d6d511da93b5dc39bf1d9d1bd676fc12e7263f5e952250

SHA512
344f958c5dc53c865843894213e22f5db73f578f0b9f7549d7e11af8d308e4feadcd4ea7c2541b43ff20e5e3b06a9bc9ecb0a09dd80ad2e8544451f57ca72b4d

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1944-58-0x0000000003720000-0x00000000039E9000-memory.dmp

Filesize
2.8MB

Download
memory/1944-41-0x0000000003720000-0x00000000039E9000-memory.dmp

Filesize
2.8MB

Download
memory/1944-61-0x0000000003720000-0x00000000039E9000-memory.dmp

Filesize
2.8MB

Download
memory/1944-60-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/2424-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/2424-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2424-59-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2672-89-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-79-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-56-0x0000000000C80000-0x0000000000F49000-memory.dmp

Filesize
2.8MB

Download
memory/2672-123-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-120-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-117-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-62-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-63-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-64-0x0000000000C80000-0x0000000000F49000-memory.dmp

Filesize
2.8MB

Download
memory/2672-67-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-70-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-73-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-76-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-55-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-80-0x00000000027A0000-0x0000000002842000-memory.dmp

Filesize
648KB

Download
memory/2672-86-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-114-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-92-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-95-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-98-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-101-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-104-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-107-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2672-110-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2948-46-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2948-47-0x0000000000D60000-0x0000000001029000-memory.dmp

Filesize
2.8MB

Download
memory/2948-48-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2948-50-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download

Analysis

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