socks5systemz | 53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab

General

Target

53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe
Size

5.4MB
MD5

04f5c51e738f3524890736dffa0fdc1c
SHA1

b14a10c80f580afe0aef1e696bc3c7c180a1a120
SHA256

53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab
SHA512

c373ce84cdddd6187cebe12eea20ff3e234e3fbdb96a74311af49a1b14bf65dc206b43e7c15b48fc48ffd47a28ae633c1f7d0168355b84bfef11538dc36d0b9f
SSDEEP

98304:NYLiim5RLEQHQjW0kpk/09JRqwS1xLPE7XVMMtn3TAV4O5B9dQ7:OL4RYyQjWqQ4wS1xIFTjAmO5vS7

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2948-191-0x0000000002900000-0x00000000029A2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp
2948	syncplayer32_64.exe

Loads dropped DLL 5 IoCs

pid	Process
2696	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe
1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp
1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp
1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp
1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.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 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	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syncplayer32_64.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp
1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 1640	2696	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe	30
PID 2696 wrote to memory of 1640	2696	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe	30
PID 2696 wrote to memory of 1640	2696	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe	30
PID 2696 wrote to memory of 1640	2696	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe	30
PID 2696 wrote to memory of 1640	2696	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe	30
PID 2696 wrote to memory of 1640	2696	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe	30
PID 2696 wrote to memory of 1640	2696	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe	30
PID 1640 wrote to memory of 2948	1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp	31
PID 1640 wrote to memory of 2948	1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp	31
PID 1640 wrote to memory of 2948	1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp	31
PID 1640 wrote to memory of 2948	1640	53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp	31

C:\Users\Admin\AppData\Local\Temp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe
"C:\Users\Admin\AppData\Local\Temp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Users\Admin\AppData\Local\Temp\is-6FFF0.tmp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-6FFF0.tmp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp" /SL5="$400EC,5444081,54272,C:\Users\Admin\AppData\Local\Temp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.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:1640
- - C:\Users\Admin\AppData\Local\SyncPlayer 3.8.5\syncplayer32_64.exe
    "C:\Users\Admin\AppData\Local\SyncPlayer 3.8.5\syncplayer32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2948

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

\Users\Admin\AppData\Local\SyncPlayer 3.8.5\syncplayer32_64.exe

Filesize
2.9MB

MD5
af757f7b8c607041db810c46ff942f27

SHA1
11acdf9d1ed7af81b0a278665bd4db2866feac7e

SHA256
32b7196bb852c8007824b8160e7dcec1ac099183ee557758be4412c99fd7c07b

SHA512
23b5432dd37df2b71b10d57c0ed04f41b471d99a7c0e8431190b439fe2dad360799ad4ed45cdae1470323fbb59fc2db6bbb27de4abe924f4edcb20ddf08d05b6

Download Submit
\Users\Admin\AppData\Local\Temp\is-6FFF0.tmp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp

Filesize
692KB

MD5
c8e71efed5211bdfa33d7600f89533ec

SHA1
94e18adbbc50d1877f5781d293ab6fd91418efb1

SHA256
ee1e942dc9a04925260a1346972b1e56f5d9687b8df525330a8e12846b093114

SHA512
a0faa4ed7173c54880b109d4480ce71dd13baa19d352acb5ec5d436a169bfdb73bbe8604bd8e85bc1a194c3c81cb4603ee1d5c9e4a9ac1243b5e270596096cab

Download Submit
\Users\Admin\AppData\Local\Temp\is-P2T3L.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-P2T3L.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1640-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1640-200-0x0000000003BF0000-0x0000000003EDF000-memory.dmp

Filesize
2.9MB

Download
memory/1640-167-0x0000000003BF0000-0x0000000003EDF000-memory.dmp

Filesize
2.9MB

Download
memory/1640-172-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2696-173-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2696-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2696-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2948-181-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-168-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-178-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-169-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-184-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-187-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-190-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-191-0x0000000002900000-0x00000000029A2000-memory.dmp

Filesize
648KB

Download
memory/2948-197-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-175-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-201-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-204-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-207-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-210-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-213-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-217-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2948-220-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download

Analysis

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