socks5systemz | 2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5e

General

Target

2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.exe
Size

4.3MB
MD5

47b2aec967ce41c069dc593a274291d0
SHA1

bedd3ea7babf751f64f0554b0a682add3c60bd60
SHA256

2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5e
SHA512

083549309f7c4e16a46f76cda41beffe5dcd2d72cb3a9d63cf87878d5c9331f9bc60b2cc48aed971e86afb9f9f8c150fe8feaba61a70f18421685c1ae04cfe50
SSDEEP

98304:NjP1fmrgJ4cbx2D/r/6l/rWXvb9HtMNzPBm0o4CXCz8jd/:JYGx2DjWyfb9HtMNLBnCXoKR

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1228-104-0x0000000000A30000-0x0000000000AD2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
4384	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp
1228	screencameralite32.exe

Loads dropped DLL 1 IoCs

pid	Process
4384	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp

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	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	screencameralite32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4384	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp
4384	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4384	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 4384	3076	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.exe	83
PID 3076 wrote to memory of 4384	3076	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.exe	83
PID 3076 wrote to memory of 4384	3076	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.exe	83
PID 4384 wrote to memory of 1228	4384	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp	87
PID 4384 wrote to memory of 1228	4384	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp	87
PID 4384 wrote to memory of 1228	4384	2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp	87

C:\Users\Admin\AppData\Local\Temp\2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.exe
"C:\Users\Admin\AppData\Local\Temp\2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Users\Admin\AppData\Local\Temp\is-VA5N6.tmp\2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-VA5N6.tmp\2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp" /SL5="$501E4,4218711,54272,C:\Users\Admin\AppData\Local\Temp\2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.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:4384
- - C:\Users\Admin\AppData\Local\Screen Camera Lite\screencameralite32.exe
    "C:\Users\Admin\AppData\Local\Screen Camera Lite\screencameralite32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1228

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\Screen Camera Lite\screencameralite32.exe

Filesize
3.4MB

MD5
efd8493d620ad3a2f6d1d51b11489565

SHA1
bd6e3111c1d88d2d54656fde91f82711c15c7d17

SHA256
effb4c3346d0da112fc2619717d0a7214e75709112024608befe8ed92f1fd8cb

SHA512
81a43121c3dafd77a33a3ed61c460e1771192bf37cf1a56a73f446017f81693fb54892a97e5b3b3baaf59af3607e64c3cd17190f86e4bd659b3fbf3e8722b571

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-S366D.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VA5N6.tmp\2bc85a3442b42f784c7c8c6be60c7c82cbd17f6aa55a923e8a4b86e718601a5eN.tmp

Filesize
692KB

MD5
16c9d19ab32c18671706cefee19b6949

SHA1
fca23338cb77068e1937df4e59d9c963c5548cf8

SHA256
c1769524411682d5a204c8a40f983123c67efeadb721160e42d7bbfe4531eb70

SHA512
32b4b0b2fb56a299046ec26fb41569491e8b0cd2f8bec9d57ec0d1ad1a7860eec72044dab2d5044cb452ed46e9f21513eab2171bafa9087af6d2de296455c64b

Download Submit
memory/1228-88-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-111-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-124-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-79-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-80-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-83-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-121-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-118-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-87-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-115-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-91-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-94-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-97-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-100-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-104-0x0000000000A30000-0x0000000000AD2000-memory.dmp

Filesize
648KB

Download
memory/1228-105-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/1228-114-0x0000000000400000-0x0000000000766000-memory.dmp

Filesize
3.4MB

Download
memory/3076-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3076-85-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3076-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4384-13-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4384-84-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download

Analysis

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