socks5systemz | e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e

General

Target

e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe
Size

4.2MB
MD5

7266ea935f2654ae59593be3e5f9b7f8
SHA1

271b326318509490d55e295b3c151cad39e2bb4d
SHA256

e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e
SHA512

631701105d6e3dbc56b5fa32e2e582b0920258b17bd9fa6ccae6471cc12c43d8ba71c12781cec31c6d9993943488654ee96a6210558816aeb4b744c729fcc6a9
SSDEEP

98304:CCrcFKDCYAqNa/8yzp9f7oK3KADB1PqjXOc6c2AWsQxE:a8a/8Qp9f7oYKEkXx6c2DsQG

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ezgkhtu.ua

http://ezgkhtu.ua/search/?q=67e28dd8650ff329480ff8197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a571ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf611c7e694

http://ezgkhtu.ua/search/?q=67e28dd8650ff329480ff8197c27d78406abdd88be4b12eab517aa5c96bd86e896824e815a8bbc896c58e713bc90c91936b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff815c2ed9c9a3cc46e

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/3060-75-0x0000000002640000-0x00000000026E2000-memory.dmp	family_socks5systemz
behavioral1/memory/3060-97-0x0000000002640000-0x00000000026E2000-memory.dmp	family_socks5systemz
behavioral1/memory/3060-98-0x0000000002640000-0x00000000026E2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp
2732	soundvolume.exe
3060	soundvolume.exe

Loads dropped DLL 5 IoCs

pid	Process
2700	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe
2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp
2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp
2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp
2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.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	flow	ioc	pid	Process
Destination IP	2	91.211.247.248	3060	soundvolume.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	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	soundvolume.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	soundvolume.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2772	2700	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe	31
PID 2700 wrote to memory of 2772	2700	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe	31
PID 2700 wrote to memory of 2772	2700	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe	31
PID 2700 wrote to memory of 2772	2700	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe	31
PID 2700 wrote to memory of 2772	2700	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe	31
PID 2700 wrote to memory of 2772	2700	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe	31
PID 2700 wrote to memory of 2772	2700	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe	31
PID 2772 wrote to memory of 2732	2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp	32
PID 2772 wrote to memory of 2732	2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp	32
PID 2772 wrote to memory of 2732	2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp	32
PID 2772 wrote to memory of 2732	2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp	32
PID 2772 wrote to memory of 3060	2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp	33
PID 2772 wrote to memory of 3060	2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp	33
PID 2772 wrote to memory of 3060	2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp	33
PID 2772 wrote to memory of 3060	2772	e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp	33

C:\Users\Admin\AppData\Local\Temp\e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe
"C:\Users\Admin\AppData\Local\Temp\e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\is-JBTH2.tmp\e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-JBTH2.tmp\e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp" /SL5="$40016,4039985,54272,C:\Users\Admin\AppData\Local\Temp\e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe
    "C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2732
- - C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe
    "C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:3060

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\Sound Volume\soundvolume.exe

Filesize
3.1MB

MD5
de0dc5705001fd2d27a5ae87d97cd5a4

SHA1
5e6fb02b7555cc2241bd43c69bddb621336e0354

SHA256
cd8a5c3dda9f307057147f10b259219056701ad05b2daf4ec4a30c1f08ab8344

SHA512
4b07731f8f7a81135a1018494c1c313835fbc8d1a08b00158c74c52c7fad5cb58a5ad49e5c4b79d52d1a252ee2abc03656b33fd16d33ba9e9ef4b2930f996ce8

Download Submit
\Users\Admin\AppData\Local\Temp\is-53F5H.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-53F5H.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-JBTH2.tmp\e5b2dbeb9458d7b686e9feaa81b8de24c348af81313dae5f50fd98a31defc44e.tmp

Filesize
680KB

MD5
6e8a6870c7b7cca7857274c12319be79

SHA1
670cb59240dcf402572bac9afa413530f4126248

SHA256
18b2e6e055099ecdee8aa2cdca0d19d18bb3bb0f6db8725cf0fc0d39f95813fc

SHA512
8f4dd62e1b8be2dd4b3178f7267c7898c26e2466826c93eaff817fc0b08d926671e2e620fb341516d72b90b2519710e8b6354afccf2c777d7148cae8e521a037

Download Submit
memory/2700-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2700-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2700-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2732-46-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2732-45-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2732-50-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2772-43-0x0000000003C60000-0x0000000003F72000-memory.dmp

Filesize
3.1MB

Download
memory/2772-8-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2772-54-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2772-55-0x0000000003C60000-0x0000000003F72000-memory.dmp

Filesize
3.1MB

Download
memory/3060-59-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-81-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-52-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-62-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-65-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-68-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-71-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-74-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-75-0x0000000002640000-0x00000000026E2000-memory.dmp

Filesize
648KB

Download
memory/3060-58-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-84-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-87-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-90-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-93-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-96-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-97-0x0000000002640000-0x00000000026E2000-memory.dmp

Filesize
648KB

Download
memory/3060-98-0x0000000002640000-0x00000000026E2000-memory.dmp

Filesize
648KB

Download
memory/3060-102-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3060-105-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download

Analysis

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