socks5systemz | dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523

General

Target

dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe
Size

5.4MB
MD5

d40ffa33f1bf3bf1db97f6fa46940e0e
SHA1

e6dffda3a08a32b8788c4e766d83ca129dc51bc8
SHA256

dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523
SHA512

2c1fcbe9aca3c38824247b761b3fadd71f79210768fcd43633f648b5ae823afa816c7a88937c091de4fcb79627fe453261b7d51d3f2e09681ec0f322fc16b22e
SSDEEP

98304:QBBdUsbMxr5N0JBLeDzVg4OYsEMYbBnPfMGSWDR95Ag9qNnzPh:+dVQx1NMsDizYAYVPfZ/t9ylh

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2912-193-0x00000000028F0000-0x0000000002992000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
1680	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp
2912	syncplayer.exe

Loads dropped DLL 5 IoCs

pid	Process
1848	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe
1680	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp
1680	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp
1680	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp
1680	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.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 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	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syncplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1680	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 1680	1848	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe	30
PID 1848 wrote to memory of 1680	1848	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe	30
PID 1848 wrote to memory of 1680	1848	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe	30
PID 1848 wrote to memory of 1680	1848	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe	30
PID 1848 wrote to memory of 1680	1848	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe	30
PID 1848 wrote to memory of 1680	1848	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe	30
PID 1848 wrote to memory of 1680	1848	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe	30
PID 1680 wrote to memory of 2912	1680	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp	31
PID 1680 wrote to memory of 2912	1680	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp	31
PID 1680 wrote to memory of 2912	1680	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp	31
PID 1680 wrote to memory of 2912	1680	dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp	31

C:\Users\Admin\AppData\Local\Temp\dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe
"C:\Users\Admin\AppData\Local\Temp\dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Users\Admin\AppData\Local\Temp\is-0CMO7.tmp\dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-0CMO7.tmp\dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp" /SL5="$40134,5456439,54272,C:\Users\Admin\AppData\Local\Temp\dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe
    "C:\Users\Admin\AppData\Local\SyncPlayer 1.8.1\syncplayer.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2912

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\SyncPlayer 1.8.1\syncplayer.exe

Filesize
2.9MB

MD5
bf119e792c611f704cc619d306b0ee9b

SHA1
1ed365352039bb3fd0dd7077b529e3d5fbbd4ca1

SHA256
bf5aa0067aac968e658ee20d510bc6b3a13a8c18a20131efe3e24dddb3a38719

SHA512
cfd2e17a13a603f31929d7a2c3dc1cd5884ef61897a9b2c1a9a33c67e34a4e07e55290e5ea751becfe6f9e8f90717b656e177c19f603f5247eeb6f75f465d0f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-0CMO7.tmp\dc841fdb4034db33a1bac77aa6a6bf5e472e79529933b672d6446e595d0ed523.tmp

Filesize
688KB

MD5
937ce8b333d2c4c5a72b42697f0cf9b7

SHA1
b1e74d65dfeadfa82be99c6bedf8c3a97d8d0c1e

SHA256
18fa19902107dc49bae6bb30e3245659d2a0220fed17e35511fd3d44a5844919

SHA512
8acaba84cdf712ee27da8e0a0a37d6f287c814082a843cc95bd564fb5b901241b84911b083e4be9e002fccf03e0d19cf70caafe0ea395610085a9c309b24acb6

Download Submit
\Users\Admin\AppData\Local\Temp\is-FIUS1.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-FIUS1.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1680-11-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1680-200-0x0000000003A90000-0x0000000003D7E000-memory.dmp

Filesize
2.9MB

Download
memory/1680-169-0x0000000003A90000-0x0000000003D7E000-memory.dmp

Filesize
2.9MB

Download
memory/1680-174-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1848-175-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1848-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1848-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2912-183-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-170-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-180-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-171-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-186-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-189-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-192-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-193-0x00000000028F0000-0x0000000002992000-memory.dmp

Filesize
648KB

Download
memory/2912-199-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-177-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-203-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-206-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-209-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-212-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-215-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-219-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2912-222-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download

Analysis

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