socks5systemz | c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648

General

Target

c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.exe
Size

2.9MB
MD5

d95075fa0cc023415833d7569d65adc0
SHA1

0b1bcf287c24146ab90619496ddc05cbaa769ce7
SHA256

c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648
SHA512

c8b4974ab177c910d1bbccfe1d1e5af78ff5e9977051ea0df15e7705f535f5237d9499951a0522509843e4c744a34d7e9e26cf98432be14887c98f5d9be463bc
SSDEEP

49152:C9dlg7xPWAdaYNr1mJQ2T+accYTmoSrCcE79hcu2sXYrQm4/PUgdw+wGI:Mdlg7xBdaYNrP28TmoKGt2aNU4c

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4004-61-0x0000000000820000-0x00000000008C2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
1328	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp
4004	regeivideoeditor32.exe

Loads dropped DLL 1 IoCs

pid	Process
1328	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp

Unexpected DNS network traffic destination 2 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
Destination IP	152.89.198.214

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	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regeivideoeditor32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1328	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp
1328	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1328	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 1328	2780	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.exe	82
PID 2780 wrote to memory of 1328	2780	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.exe	82
PID 2780 wrote to memory of 1328	2780	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.exe	82
PID 1328 wrote to memory of 4004	1328	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp	83
PID 1328 wrote to memory of 4004	1328	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp	83
PID 1328 wrote to memory of 4004	1328	c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp	83

C:\Users\Admin\AppData\Local\Temp\c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.exe
"C:\Users\Admin\AppData\Local\Temp\c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\is-IHG9N.tmp\c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-IHG9N.tmp\c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp" /SL5="$901BE,2797809,56832,C:\Users\Admin\AppData\Local\Temp\c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.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:1328
- - C:\Users\Admin\AppData\Local\Regei Video Editor\regeivideoeditor32.exe
    "C:\Users\Admin\AppData\Local\Regei Video Editor\regeivideoeditor32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4004

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\Regei Video Editor\regeivideoeditor32.exe

Filesize
2.5MB

MD5
67970cecdc821019302a6f17382cf8a4

SHA1
32ce1b4b653ea0b2ee457f3ec667b00024bbe0bb

SHA256
b16b9098804d45c3c73eeb457aba0619a1527c0c160c7f350e09b3fcfe351764

SHA512
005abacb4946c276da9ac06a34cb0b124775e46c1767dc5620337acad60290ad68048f2ac188d2b3b2c1258b117c545f9f8abd9e6a563303130c6536573f634b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-048L4.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IHG9N.tmp\c0add55a17bb2143417ae8e640c6e79a0a85d98c6be881a0c4fabd4e2ee09648.tmp

Filesize
691KB

MD5
65f17f7e10072b07756011f109f7d5cd

SHA1
b7264b6905967a176791dc4106042cd765e508ae

SHA256
3ca646a89c51021a3884ee22c5db7d5ad07a9d62172cc43f00c7b8d98c0a1634

SHA512
d06cd6722e9adc6935ca512feea2f79e6653a609dc43445c139b7c7cd4a83768a4fadc8b8efc4aef73d5ae0c6706e987944ae6ea9a32457c2a7bc3d607d72598

Download Submit
memory/1328-41-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1328-7-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2780-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2780-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2780-42-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4004-51-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-61-0x0000000000820000-0x00000000008C2000-memory.dmp

Filesize
648KB

Download
memory/4004-40-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-44-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-45-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-48-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-36-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-54-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-57-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-37-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-62-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-68-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-71-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-72-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-75-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-78-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-81-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-84-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-87-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download
memory/4004-90-0x0000000000400000-0x0000000000681000-memory.dmp

Filesize
2.5MB

Download

Analysis

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