socks5systemz | 8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581

General

Target

8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe
Size

4.3MB
MD5

4a8f745c42d4fb16d79fbabbb8b8b075
SHA1

0e303a99ac9152ad97092b362a099a0eaafa8d3f
SHA256

8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581
SHA512

1405baeaca7083741f4b4f1dab3df2905d9ca34689cb152d3e2258dd9ee19b124006662c9a5bddbfceb5aa66d66bbdc8bf461eec28d21831386f4066cdcc1d9f
SSDEEP

98304:CUojlGNrjYxp1G2sYwX854ClL38w/dJc0k5uvRsUh4KmAQxV:68sp1G2szI4QA0DtQL

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ebrhktb.ua

http://ebrhktb.ua/search/?q=67e28dd8650ff329480ff8197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a571ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf816c6eb92

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2932-77-0x00000000022F0000-0x0000000002392000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp
2856	mp3tagfreeedition.exe
2932	mp3tagfreeedition.exe

Loads dropped DLL 6 IoCs

pid	Process
1996	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe
2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp
2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp
2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp
2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp
2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp

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	152.89.198.214	2932	mp3tagfreeedition.exe
Destination IP	3	152.89.198.214	2932	mp3tagfreeedition.exe
Destination IP	6	91.211.247.248	2932	mp3tagfreeedition.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	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mp3tagfreeedition.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mp3tagfreeedition.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2328	1996	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe	31
PID 1996 wrote to memory of 2328	1996	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe	31
PID 1996 wrote to memory of 2328	1996	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe	31
PID 1996 wrote to memory of 2328	1996	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe	31
PID 1996 wrote to memory of 2328	1996	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe	31
PID 1996 wrote to memory of 2328	1996	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe	31
PID 1996 wrote to memory of 2328	1996	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe	31
PID 2328 wrote to memory of 2856	2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp	32
PID 2328 wrote to memory of 2856	2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp	32
PID 2328 wrote to memory of 2856	2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp	32
PID 2328 wrote to memory of 2856	2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp	32
PID 2328 wrote to memory of 2932	2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp	33
PID 2328 wrote to memory of 2932	2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp	33
PID 2328 wrote to memory of 2932	2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp	33
PID 2328 wrote to memory of 2932	2328	8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp	33

C:\Users\Admin\AppData\Local\Temp\8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe
"C:\Users\Admin\AppData\Local\Temp\8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\is-KRKBT.tmp\8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-KRKBT.tmp\8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp" /SL5="$4010A,4113969,54272,C:\Users\Admin\AppData\Local\Temp\8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Users\Admin\AppData\Local\MP3 Tag Free Edition\mp3tagfreeedition.exe
    "C:\Users\Admin\AppData\Local\MP3 Tag Free Edition\mp3tagfreeedition.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2856
- - C:\Users\Admin\AppData\Local\MP3 Tag Free Edition\mp3tagfreeedition.exe
    "C:\Users\Admin\AppData\Local\MP3 Tag Free Edition\mp3tagfreeedition.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:2932

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\MP3 Tag Free Edition\mp3tagfreeedition.exe

Filesize
2.4MB

MD5
cf0cb9685a2093b8daf261a666552a40

SHA1
34e3739b36720574f049d72d9d9c8457686a4217

SHA256
d86e83d383a85fbda6b9102a653f8bcc823178eb329a4d746c1711f34f4c14fc

SHA512
ee17055e46cf9b8cb130bdb9539f330845efa46b4296d027485f6d8dd55254c905d01f9d73457e56f84217bbca760929952c8745016e38b13d06297d12e7cfb9

Download Submit
\Users\Admin\AppData\Local\Temp\is-HC4B2.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-HC4B2.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-HC4B2.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-KRKBT.tmp\8bc054584ee3b66aff2b8cec6800ea984321036528668ccc3ac1defef08ac581.tmp

Filesize
680KB

MD5
9aa42a5fe2d67b7702d7013ac521ff63

SHA1
d423615eae4b96edcc78d9adbf4f20c5f430eedb

SHA256
bab40b00dbee5f382a96b75fb37349cf98e68a4cbe5b847461f283ef8297b2b2

SHA512
32238bbc413c2e8ac9d6670162e1dde05ba265942cdea9a0869da06319c7021db76ae2a32512af508d793fd9b67569eb225d27858620d71cfe1bb1ac08b7ae96

Download Submit
memory/1996-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1996-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1996-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2328-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2328-47-0x0000000003770000-0x00000000039D7000-memory.dmp

Filesize
2.4MB

Download
memory/2328-56-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2328-57-0x0000000003770000-0x00000000039D7000-memory.dmp

Filesize
2.4MB

Download
memory/2856-49-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2856-52-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2856-48-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-64-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-89-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-54-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-67-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-70-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-73-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-77-0x00000000022F0000-0x0000000002392000-memory.dmp

Filesize
648KB

Download
memory/2932-83-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-60-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-92-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-95-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-98-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-104-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-107-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-111-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-114-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-117-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2932-120-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing