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

aqjtoer.ru

http://aqjtoer.ru/search/?q=67e28dd83e55a37d1508fa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4be8889b5e4fa9281ae978f071ea771795af8e05c64bdb22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658dfc19c3e89c

http://aqjtoer.ru/search/?q=67e28dd83e55a37d1508fa1d7c27d78406abdd88be4b12eab517aa5c96bd86ef9c844d815a8bbc896c58e713bc90c91e36b5281fc235a925ed3e53d6bd974a95129070b618e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff815c2ec969238ca66

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2656-77-0x0000000002640000-0x00000000026E2000-memory.dmp	family_socks5systemz
behavioral1/memory/2656-100-0x0000000002640000-0x00000000026E2000-memory.dmp	family_socks5systemz
behavioral1/memory/2656-99-0x0000000002640000-0x00000000026E2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
2804	disksettings.exe
2656	disksettings.exe

Loads dropped DLL 6 IoCs

pid	Process
2240	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe
3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.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	flow	ioc	pid	Process
Destination IP	2	91.211.247.248	2656	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
3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 3056	2240	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe	28
PID 2240 wrote to memory of 3056	2240	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe	28
PID 2240 wrote to memory of 3056	2240	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe	28
PID 2240 wrote to memory of 3056	2240	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe	28
PID 2240 wrote to memory of 3056	2240	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe	28
PID 2240 wrote to memory of 3056	2240	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe	28
PID 2240 wrote to memory of 3056	2240	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe	28
PID 3056 wrote to memory of 2804	3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	29
PID 3056 wrote to memory of 2804	3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	29
PID 3056 wrote to memory of 2804	3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	29
PID 3056 wrote to memory of 2804	3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	29
PID 3056 wrote to memory of 2656	3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	30
PID 3056 wrote to memory of 2656	3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	30
PID 3056 wrote to memory of 2656	3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	30
PID 3056 wrote to memory of 2656	3056	b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp	30

C:\Users\Admin\AppData\Local\Temp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe
"C:\Users\Admin\AppData\Local\Temp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\is-KT4G1.tmp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-KT4G1.tmp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp" /SL5="$4001C,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:3056
- - 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:2804
- - 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:2656

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

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Downloads

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

Filesize
2.4MB

MD5
6f26fe387ba63d68eb0c660a2799b337

SHA1
376682fd3d2e7a1c6dfb03e558e24de18beb1826

SHA256
4f8556ce685930e2b02cd95fcf33973bbd74ae3dd64ca42d2858fcc4bd21827f

SHA512
481822973adaef0174f7ebc6d3173e2f1abcfa74776c1f7c0a6e3ddbd4ab986307e990fc3a6cf351caef614108c042c5272414b34134044a468ef2b3feb8833a

Download Submit
\Users\Admin\AppData\Local\Temp\is-I9GFD.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-I9GFD.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-I9GFD.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-KT4G1.tmp\b98e94a22a206568cc5c44c61382fef4ecfed241fa6f90a1db85e95d15897286.tmp

Filesize
680KB

MD5
7f7ddf7a29dd114108fb614440ae63a7

SHA1
8d4fa224fa4df3dca49f87014ff8e3bb0129a355

SHA256
ada083ade627aadda3c0811da0e422265b89055760b30f35de1527cba3878c38

SHA512
259a396430b7f602e7a4200dc30907ecd5f5af9d695db2f0fe75883c571d9ab1a729448dec82c91b4e21e995fccbd9fa489371fe1209132dbe26094631454986

Download Submit
memory/2240-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2240-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2240-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2656-95-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-83-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-119-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-116-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-113-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-110-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-107-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-60-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-64-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-67-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-70-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-73-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-77-0x0000000002640000-0x00000000026E2000-memory.dmp

Filesize
648KB

Download
memory/2656-104-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-89-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-92-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-99-0x0000000002640000-0x00000000026E2000-memory.dmp

Filesize
648KB

Download
memory/2656-98-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2656-100-0x0000000002640000-0x00000000026E2000-memory.dmp

Filesize
648KB

Download
memory/2804-48-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2804-53-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2804-49-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3056-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3056-46-0x00000000034B0000-0x0000000003717000-memory.dmp

Filesize
2.4MB

Download
memory/3056-57-0x00000000034B0000-0x0000000003717000-memory.dmp

Filesize
2.4MB

Download
memory/3056-56-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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