socks5systemz | 16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407

General

Target

16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.exe
Size

4.6MB
MD5

99bd3fba0345b30893b2d42d0892d5a6
SHA1

2584a078bb55f94a2a4cc46ae4d220acdead60a2
SHA256

16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407
SHA512

d7b1d5471e4ccf5fce2bf1024b6c408da4d265b94c5a57194fda8254fe2f378e8f31022a9c81ebbf89a0cd26eb9896c9696d10f59f0112e2ec2877f7ff4776a2
SSDEEP

98304:4nu3mkgOPb4Y71P39ojP9DQPlRcEYmwCxZV6e61iLo21ZLeWbVg6:w8VjP7xe79DsmEYmdxZr6QhxzD

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/212-92-0x0000000000AE0000-0x0000000000B82000-memory.dmp	family_socks5systemz
behavioral2/memory/212-117-0x0000000000AE0000-0x0000000000B82000-memory.dmp	family_socks5systemz
behavioral2/memory/212-118-0x0000000000AE0000-0x0000000000B82000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp
212	editresync32.exe

Loads dropped DLL 1 IoCs

pid	Process
4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.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	91.211.247.248

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	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	editresync32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp
4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 4724	2496	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.exe	83
PID 2496 wrote to memory of 4724	2496	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.exe	83
PID 2496 wrote to memory of 4724	2496	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.exe	83
PID 4724 wrote to memory of 1540	4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp	86
PID 4724 wrote to memory of 1540	4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp	86
PID 4724 wrote to memory of 1540	4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp	86
PID 4724 wrote to memory of 212	4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp	88
PID 4724 wrote to memory of 212	4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp	88
PID 4724 wrote to memory of 212	4724	16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp	88
PID 1540 wrote to memory of 4472	1540	net.exe	89
PID 1540 wrote to memory of 4472	1540	net.exe	89
PID 1540 wrote to memory of 4472	1540	net.exe	89

C:\Users\Admin\AppData\Local\Temp\16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.exe
"C:\Users\Admin\AppData\Local\Temp\16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\is-A82P3.tmp\16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-A82P3.tmp\16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp" /SL5="$80046,4607334,56832,C:\Users\Admin\AppData\Local\Temp\16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.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:4724
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause edit_resync_11122
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1540
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause edit_resync_11122
      4⤵
      System Location Discovery: System Language Discovery
      PID:4472
- - C:\Users\Admin\AppData\Local\Edit Resync 3.7.40\editresync32.exe
    "C:\Users\Admin\AppData\Local\Edit Resync 3.7.40\editresync32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:212

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\Edit Resync 3.7.40\editresync32.exe

Filesize
3.5MB

MD5
3065304e49db1bbc2cb08b29dc8f3b5b

SHA1
e63a08cc2bb388125dc9531bf5ab825adc87cb47

SHA256
5cced0674a59d451d8c1fd773f73c00099c17797ec918c96b5a1563e6f87fa71

SHA512
5cedae73131a6fc48b23a9d3bffe8dc6d6391f2b36bac5734063219cda337201172db3a4ec58f281cf334f53074946c95808fa3d9ae9bc600e11188d8a6cc57a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-A82P3.tmp\16ab507acf577fea24101e5989a6e50f9227a4ad8e0dc37a31eb893e55c19407.tmp

Filesize
692KB

MD5
c8567bcf0496c1104428b99f5a71ba6e

SHA1
c10b58017e71a937f94642db135cfaa626a8e6e7

SHA256
07bef77ef15cc7f2b136e226f162bfcca06b919add9b47a08774788fa0ccdf57

SHA512
400a2a9cd496e8275316f4bb457b025d8c11b231c84a0c377d5b23eb8af07e05eabb3ac3cff45324537d5b2ba60b488d6707364953b3bcd503cf1d291299b9ca

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/212-82-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-107-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-125-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-68-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-69-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-71-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-122-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-118-0x0000000000AE0000-0x0000000000B82000-memory.dmp

Filesize
648KB

Download
memory/212-75-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-76-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-79-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-117-0x0000000000AE0000-0x0000000000B82000-memory.dmp

Filesize
648KB

Download
memory/212-85-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-88-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-92-0x0000000000AE0000-0x0000000000B82000-memory.dmp

Filesize
648KB

Download
memory/212-93-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-100-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-103-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-104-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-116-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-110-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/212-113-0x0000000000400000-0x0000000000787000-memory.dmp

Filesize
3.5MB

Download
memory/2496-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2496-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2496-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4724-6-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4724-72-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download

Analysis

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