socks5systemz | a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75

General

Target

a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.exe
Size

3.4MB
MD5

0d5570694269d1fea2027c31203da2fe
SHA1

b1f239151c8ada19d001041a513ac753c19ca6fa
SHA256

a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75
SHA512

107c6c2faf715cf6b00de447ed27d594e6b52c5def39b920433830514c600344a5a4fc4b8ab3fb68d3de03ca77673e0df68c405f9a207354927cdd424f2d082a
SSDEEP

98304:NNPwCKzrRgq3mYgiVeX5ZysOKTMfbDGY706:vwDr/peNOMCKYj

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3700-73-0x0000000000840000-0x00000000008E2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp
3700	2youplayer.exe

Loads dropped DLL 2 IoCs

pid	Process
804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp
3700	2youplayer.exe

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	141.98.234.31

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 5 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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2youplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp
804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 804	3164	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.exe	82
PID 3164 wrote to memory of 804	3164	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.exe	82
PID 3164 wrote to memory of 804	3164	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.exe	82
PID 804 wrote to memory of 2308	804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp	83
PID 804 wrote to memory of 2308	804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp	83
PID 804 wrote to memory of 2308	804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp	83
PID 804 wrote to memory of 3700	804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp	85
PID 804 wrote to memory of 3700	804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp	85
PID 804 wrote to memory of 3700	804	a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp	85
PID 2308 wrote to memory of 1300	2308	net.exe	86
PID 2308 wrote to memory of 1300	2308	net.exe	86
PID 2308 wrote to memory of 1300	2308	net.exe	86

C:\Users\Admin\AppData\Local\Temp\a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.exe
"C:\Users\Admin\AppData\Local\Temp\a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Users\Admin\AppData\Local\Temp\is-61D52.tmp\a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-61D52.tmp\a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp" /SL5="$80050,3344129,54272,C:\Users\Admin\AppData\Local\Temp\a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.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:804
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause 2_you_player_11251
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2308
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause 2_you_player_11251
      4⤵
      System Location Discovery: System Language Discovery
      PID:1300
- - C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.1\2youplayer.exe
    "C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.1\2youplayer.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3700

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\2YouPlayer 3.3.0.1\2youplayer.exe

Filesize
3.1MB

MD5
751c72ccc0d4cbfff36a565a66f43193

SHA1
d3557f610adb8772586daa3751ff6594f653de4c

SHA256
fda7cb937af64b52b7ebf03c7b2014b04baaa3ab1360ef1095d2cfee4805f35d

SHA512
ea227d3a4ab9f056d83a8f9c192d68ea95751cf002f39098587655f6ce244f9c7f5c0c4a53db10645c752a101ad6f3f51baae94230bec7d0a81202d4a777b5ff

Download Submit
C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.1\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-06PJL.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-61D52.tmp\a1dddeb50106182ab074fce5727ce4bf806f109f0a0308b2bed6d3ae19d09d75.tmp

Filesize
687KB

MD5
67530095a2bc827d26bbd3d94d9c7581

SHA1
388f9b0b61d58c3168ce32e6c5d6b5eb8515ac7e

SHA256
3e583f508fb5aaf23da4c0e7969a362f4cae8ca47a385bc472edf6aa0f090da3

SHA512
912135e46100f53bfa7888dc9a44e580585c1073d7f96cfa3f4079dfc8f23b8548f6c59603269f2498ebde1003ba85f36fcbc9fc2ae00d129397dfb8bfdb9e7c

Download Submit
memory/804-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/804-14-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3164-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3164-1-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3164-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3700-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/3700-73-0x0000000000840000-0x00000000008E2000-memory.dmp

Filesize
648KB

Download
memory/3700-43-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-51-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-52-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-42-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-56-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-60-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-64-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-68-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-72-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-47-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-80-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-82-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-85-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-89-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-93-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-97-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-101-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-106-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download
memory/3700-110-0x0000000000400000-0x0000000000728000-memory.dmp

Filesize
3.2MB

Download

Analysis

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