socks5systemz | 9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551

General

Target

9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.exe
Size

3.1MB
MD5

eae068a3c8755b6534349ba95356b7ab
SHA1

5eb2f06f00013730bed4f7a44817d58d5ebae373
SHA256

9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551
SHA512

3f13e3d644179cbdfa31c09e86b0d316f58c18788bba9fe838035c26283aa86026997d5e6b755cae66fdcbbcd0b2e7a748dd469b84083c7aaa118b65e168561d
SSDEEP

49152:p9XE4lpGPSRcqsWlQpZ+Drkf7SSnGwwUydhcgZGtJjzqwWKlSOxkKFe5OT4wQ8u:3Xhl8PQCWlQzP7uwyPmJignxkqeOTiB

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/5372-75-0x0000000000730000-0x00000000007D0000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
1840	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp
5372	regfixfreetool.exe

Loads dropped DLL 2 IoCs

pid	Process
1840	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp
5372	regfixfreetool.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

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	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regfixfreetool.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1840	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp
1840	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1840	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 1840	368	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.exe	88
PID 368 wrote to memory of 1840	368	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.exe	88
PID 368 wrote to memory of 1840	368	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.exe	88
PID 1840 wrote to memory of 5372	1840	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp	92
PID 1840 wrote to memory of 5372	1840	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp	92
PID 1840 wrote to memory of 5372	1840	9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp	92

C:\Users\Admin\AppData\Local\Temp\9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.exe
"C:\Users\Admin\AppData\Local\Temp\9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:368
- C:\Users\Admin\AppData\Local\Temp\is-E26BR.tmp\9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-E26BR.tmp\9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp" /SL5="$5025C,3003508,56832,C:\Users\Admin\AppData\Local\Temp\9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.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:1840
- - C:\Users\Admin\AppData\Local\Registry Fix Free Tool 7.5.7\regfixfreetool.exe
    "C:\Users\Admin\AppData\Local\Registry Fix Free Tool 7.5.7\regfixfreetool.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:5372

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\Registry Fix Free Tool 7.5.7\regfixfreetool.exe

Filesize
1.8MB

MD5
292f4457a0a652e53c1913e5a72e7e44

SHA1
00bbf29dc92d3280da64f510c50a32b3a4dd9b5d

SHA256
6173fb6ea77492e97484becd25e16c62e125b1114c27a6fd111c887358b7c20d

SHA512
374a35eec2bdc9faa6d0216e2014eec1af2c8edf2ab6c8e87a67a407997732a9b37fa8becfa955186b3b66a2fdba38d3ac7b67dd0580a62c2ec88c16209bf158

Download Submit
C:\Users\Admin\AppData\Local\Registry Fix Free Tool 7.5.7\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-E26BR.tmp\9ff154fc1fcaf2c1848caefd2d65686a424e9c083a62f844226e6dce0a896551.tmp

Filesize
694KB

MD5
8d190e7ff3f5a9edcf85ad2a203c3901

SHA1
3811c60a07ec37ea20cb946a1cf9be835c14d775

SHA256
2052a5ec84ef4f4cb0692dbda5337272fd3797ac977ed14885703e11822be2bb

SHA512
af92d2655a7d6956f7883ad5b4056234ffc85402f19e8d01b76fa397ccb8c380feaf75dd5d8cc1ba3416dcdc6038fd93a7f743e9a963610730415c8a161e84f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PT6MR.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/368-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/368-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/368-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1840-49-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1840-6-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/5372-53-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-69-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-52-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-48-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-54-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/5372-42-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-57-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-61-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-65-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-44-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-73-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-75-0x0000000000730000-0x00000000007D0000-memory.dmp

Filesize
640KB

Download
memory/5372-80-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-84-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-88-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-92-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-96-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-100-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-114-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/5372-118-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download

Analysis

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