socks5systemz | 882a455f3229947a48a9ffc328c920705f548c41ee75dbfab2522bfbf0dd6f45

General

Target

noode.exe
Size

4.2MB
MD5

225c37388536e2baac97377392539c05
SHA1

106e85c309a70f31ac504215fe33e52c7115113e
SHA256

882a455f3229947a48a9ffc328c920705f548c41ee75dbfab2522bfbf0dd6f45
SHA512

37cbd732e584790e334cede0a5b23ba9cffaa5dcb0bce20d7beb3b5c6735d5c776206e1c986d74bd9845d1b1a7d588e0ae4ac3c7a61f24b768e034d53f00b93f
SSDEEP

98304:NIzZTfL2LMvXiIgZKO+8v7rfYTBVFjgq/trLSAVL8Gmd/:CzpCMvXizQO5kxpnGXR

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/712-104-0x0000000000840000-0x00000000008E2000-memory.dmp	family_socks5systemz
behavioral2/memory/712-128-0x0000000000840000-0x00000000008E2000-memory.dmp	family_socks5systemz
behavioral2/memory/712-129-0x0000000000840000-0x00000000008E2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
4224	noode.tmp
712	gepardfixmp3_32.exe

Loads dropped DLL 1 IoCs

pid	Process
4224	noode.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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	noode.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	noode.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gepardfixmp3_32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4224	noode.tmp
4224	noode.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4224	noode.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 4224	2044	noode.exe	82
PID 2044 wrote to memory of 4224	2044	noode.exe	82
PID 2044 wrote to memory of 4224	2044	noode.exe	82
PID 4224 wrote to memory of 712	4224	noode.tmp	83
PID 4224 wrote to memory of 712	4224	noode.tmp	83
PID 4224 wrote to memory of 712	4224	noode.tmp	83

C:\Users\Admin\AppData\Local\Temp\noode.exe
"C:\Users\Admin\AppData\Local\Temp\noode.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Users\Admin\AppData\Local\Temp\is-G47DG.tmp\noode.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-G47DG.tmp\noode.tmp" /SL5="$80060,4126447,54272,C:\Users\Admin\AppData\Local\Temp\noode.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:4224
- - C:\Users\Admin\AppData\Local\Gepard Fix MP3\gepardfixmp3_32.exe
    "C:\Users\Admin\AppData\Local\Gepard Fix MP3\gepardfixmp3_32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:712

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

C:\Users\Admin\AppData\Local\Gepard Fix MP3\gepardfixmp3_32.exe

Filesize
2.8MB

MD5
d87d5e134ef6ef393e17a841482930db

SHA1
3e0343d067d1db4c1625a55ec24e7e2f646dee69

SHA256
1134570a921b31a7501432ab1496b0116f64165350834a4f232951a5a2f2736a

SHA512
74214267235bbdcf37e4fb24ad81b3131008326e6b17dff10d4ba2d288b6841959575cb7af5e4cfee4235ee2a0cfa03984590ce2151611498f5dd28d6ddf715d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-G47DG.tmp\noode.tmp

Filesize
692KB

MD5
16c9d19ab32c18671706cefee19b6949

SHA1
fca23338cb77068e1937df4e59d9c963c5548cf8

SHA256
c1769524411682d5a204c8a40f983123c67efeadb721160e42d7bbfe4531eb70

SHA512
32b4b0b2fb56a299046ec26fb41569491e8b0cd2f8bec9d57ec0d1ad1a7860eec72044dab2d5044cb452ed46e9f21513eab2171bafa9087af6d2de296455c64b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-S3G0I.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/712-94-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-115-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-136-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-80-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-81-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-83-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-133-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-129-0x0000000000840000-0x00000000008E2000-memory.dmp

Filesize
648KB

Download
memory/712-87-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-88-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-91-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-128-0x0000000000840000-0x00000000008E2000-memory.dmp

Filesize
648KB

Download
memory/712-97-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-100-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-103-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-104-0x0000000000840000-0x00000000008E2000-memory.dmp

Filesize
648KB

Download
memory/712-110-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-111-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-114-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-127-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-118-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-121-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/712-124-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/2044-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2044-85-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2044-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4224-7-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4224-84-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download

Analysis

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