socks5systemz | b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286

General

Target

b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe
Size

4.3MB
MD5

6017d985cd6c8c46e9b1be21f4e20102
SHA1

3cae8c9100d0b6b80ecf999371f01fed59422eef
SHA256

b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286
SHA512

fbd10dadb80977e596557f944687071669d80f30b1f2d4b1ec744d04b8ee745af1aaf0995986cf51acd7d70f621c4382a791a3b4ae36b63dfe7abe5a250f608b
SSDEEP

98304:CzjQwkkXQtMdeYWvZiaL0JwGZgTDODoPeU0N4VcH5uQxU:EjQsFRWhia8gTDOkPuN4VrQ6

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ereliqs.ua

http://ereliqs.ua/search/?q=67e28dd86d0ff42e4008ab1f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978fe71ea771795af8e05c64bdb22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd12c3e7969d32

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3792-76-0x00000000008B0000-0x0000000000952000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
3532	disksettings.exe
3792	disksettings.exe

Loads dropped DLL 3 IoCs

pid	Process
5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp

Unexpected DNS network traffic destination 3 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	flow	ioc	pid	Process
Destination IP	35	152.89.198.214	3792	disksettings.exe
Destination IP	37	152.89.198.214	3792	disksettings.exe
Destination IP	38	91.211.247.248	3792	disksettings.exe

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	disksettings.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	disksettings.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 5156	2540	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe	85
PID 2540 wrote to memory of 5156	2540	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe	85
PID 2540 wrote to memory of 5156	2540	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe	85
PID 5156 wrote to memory of 3532	5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	88
PID 5156 wrote to memory of 3532	5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	88
PID 5156 wrote to memory of 3532	5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	88
PID 5156 wrote to memory of 3792	5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	89
PID 5156 wrote to memory of 3792	5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	89
PID 5156 wrote to memory of 3792	5156	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	89

C:\Users\Admin\AppData\Local\Temp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe
"C:\Users\Admin\AppData\Local\Temp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\is-3AVBR.tmp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-3AVBR.tmp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp" /SL5="$401CA,4141127,54272,C:\Users\Admin\AppData\Local\Temp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5156
- - C:\Users\Admin\AppData\Local\Disk Settings\disksettings.exe
    "C:\Users\Admin\AppData\Local\Disk Settings\disksettings.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3532
- - C:\Users\Admin\AppData\Local\Disk Settings\disksettings.exe
    "C:\Users\Admin\AppData\Local\Disk Settings\disksettings.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:3792

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Disk Settings\disksettings.exe

Filesize
2.4MB

MD5
6f26fe387ba63d68eb0c660a2799b337

SHA1
376682fd3d2e7a1c6dfb03e558e24de18beb1826

SHA256
4f8556ce685930e2b02cd95fcf33973bbd74ae3dd64ca42d2858fcc4bd21827f

SHA512
481822973adaef0174f7ebc6d3173e2f1abcfa74776c1f7c0a6e3ddbd4ab986307e990fc3a6cf351caef614108c042c5272414b34134044a468ef2b3feb8833a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3AVBR.tmp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp

Filesize
680KB

MD5
7f7ddf7a29dd114108fb614440ae63a7

SHA1
8d4fa224fa4df3dca49f87014ff8e3bb0129a355

SHA256
ada083ade627aadda3c0811da0e422265b89055760b30f35de1527cba3878c38

SHA512
259a396430b7f602e7a4200dc30907ecd5f5af9d695db2f0fe75883c571d9ab1a729448dec82c91b4e21e995fccbd9fa489371fe1209132dbe26094631454986

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-V3RIQ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-V3RIQ.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/2540-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2540-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2540-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3532-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3532-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3532-46-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3532-47-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-103-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-119-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-54-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-59-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-60-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-63-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-116-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-69-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-72-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-75-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-76-0x00000000008B0000-0x0000000000952000-memory.dmp

Filesize
648KB

Download
memory/3792-82-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-85-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-88-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-94-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-97-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-100-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-55-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-107-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-110-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-113-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5156-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5156-56-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing