socks5systemz | 0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455

General

Target

0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.exe
Size

4.0MB
MD5

d84d2af260f9d7114fa67cda49af1d27
SHA1

7077ad2e5b59f20978ac6fa9f6c561cc6275ceec
SHA256

0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455
SHA512

a5b831f4e669b88d8ea8426581442a7c2bf8f9e1da8f9745015905569f258afc1370b8f17007003df381e7200c9779c32ab032b2b72cc10f1708747b9bc4213d
SSDEEP

49152:1vMdC1TH2IIGt6oPwe0tYYE1B1eoFlYDlGdNT696uvwBVqkzE/inX8rsnf7vGYM+:NsCtHPIQosrYDl2NT6suqS4CYNZA/QdX

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2804-82-0x0000000000A70000-0x0000000000B12000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp
3104	xulplayer32_64.exe
2804	xulplayer32_64.exe

Loads dropped DLL 3 IoCs

pid	Process
2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp
2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp
2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.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	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 4 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	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xulplayer32_64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xulplayer32_64.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp
2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2860	1668	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.exe	84
PID 1668 wrote to memory of 2860	1668	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.exe	84
PID 1668 wrote to memory of 2860	1668	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.exe	84
PID 2860 wrote to memory of 3104	2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp	88
PID 2860 wrote to memory of 3104	2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp	88
PID 2860 wrote to memory of 3104	2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp	88
PID 2860 wrote to memory of 2804	2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp	89
PID 2860 wrote to memory of 2804	2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp	89
PID 2860 wrote to memory of 2804	2860	0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp	89

C:\Users\Admin\AppData\Local\Temp\0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.exe
"C:\Users\Admin\AppData\Local\Temp\0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\Temp\is-FRL43.tmp\0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-FRL43.tmp\0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp" /SL5="$A0064,3880008,54272,C:\Users\Admin\AppData\Local\Temp\0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.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:2860
- - C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
    "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3104
- - C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
    "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2804

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\Temp\is-FRL43.tmp\0b0bbb98c9fab6db2e8c2e3a09f2f6ee998b73894c77fd17cdce2757024e0455.tmp

Filesize
692KB

MD5
00f15ee57af82fc40ac1ec609d1810a4

SHA1
6abfae4f73ade5af54d267c02389daf49abd6a51

SHA256
20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847

SHA512
f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RMLF3.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RMLF3.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

Filesize
3.3MB

MD5
0ce21a5f4358ff7d673e423c229b6ef5

SHA1
4244e89af3f2aa98dd5ea6fd70d8704b29f9b1c5

SHA256
950eb214c8aaa1aef01266126441cb55ab8216bf0989778f2f1973af02ead85b

SHA512
af2665c210c9b0e11dc25cd4c05c4255e9f2195756bdb060e9ed3ea0065600114cdf09f165127bc9d52ee489b2eea2c52a67d8c0679eb9eb4e36fa359e467f95

Download Submit
memory/1668-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1668-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1668-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2804-90-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-96-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-112-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-109-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-65-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-105-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-102-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-68-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-71-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-74-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-77-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-80-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-82-0x0000000000A70000-0x0000000000B12000-memory.dmp

Filesize
648KB

Download
memory/2804-85-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-99-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2804-93-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/2860-10-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2860-67-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3104-59-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/3104-58-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/3104-61-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download
memory/3104-62-0x0000000000400000-0x000000000074A000-memory.dmp

Filesize
3.3MB

Download

Analysis

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