socks5systemz | 3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705

General

Target

3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.exe
Size

1.8MB
MD5

4ee51ef6e6e2091156e2e2b54890282f
SHA1

dfb98a12088a4515e967533b05d0af9793caf859
SHA256

3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705
SHA512

02ef3fce9b5403bbcc6c857b6303ae057e1d3d1e87053691a577cabef80a5561a1078ad7e99a8e2f2b104a7358525f3aa1d2909c3d01226a0f2d5c588598d399
SSDEEP

49152:326vvqpBWi05bEvWvQaTWn1yCeu14RaqoUpz:mEvqpBIM0FQkCYJl

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://ceurhnp.net/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe14c7ef979a3c

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/4668-71-0x00000000007C0000-0x0000000000862000-memory.dmp	family_socks5systemz
behavioral1/memory/4668-73-0x00000000007C0000-0x0000000000862000-memory.dmp	family_socks5systemz
behavioral1/memory/4668-83-0x00000000007C0000-0x0000000000862000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1772	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp
4692	htmlpadhunt.exe
4668	htmlpadhunt.exe

Loads dropped DLL 3 IoCs

pid	Process
1772	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp
1772	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp
1772	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 1772	2024	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.exe	85
PID 2024 wrote to memory of 1772	2024	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.exe	85
PID 2024 wrote to memory of 1772	2024	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.exe	85
PID 1772 wrote to memory of 4692	1772	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp	89
PID 1772 wrote to memory of 4692	1772	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp	89
PID 1772 wrote to memory of 4692	1772	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp	89
PID 1772 wrote to memory of 4668	1772	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp	90
PID 1772 wrote to memory of 4668	1772	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp	90
PID 1772 wrote to memory of 4668	1772	3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp	90

C:\Users\Admin\AppData\Local\Temp\3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.exe
"C:\Users\Admin\AppData\Local\Temp\3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Local\Temp\is-O42MF.tmp\3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-O42MF.tmp\3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp" /SL5="$70222,1571118,54272,C:\Users\Admin\AppData\Local\Temp\3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Users\Admin\AppData\Local\HTML Pad Hunter\htmlpadhunt.exe
    "C:\Users\Admin\AppData\Local\HTML Pad Hunter\htmlpadhunt.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4692
- - C:\Users\Admin\AppData\Local\HTML Pad Hunter\htmlpadhunt.exe
    "C:\Users\Admin\AppData\Local\HTML Pad Hunter\htmlpadhunt.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4668

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\HTML Pad Hunter\htmlpadhunt.exe

Filesize
896KB

MD5
d6070721ef61090a323a7ecb0e7b0a3e

SHA1
b6e0d46f08f7f517d929284df63014362ea4d510

SHA256
9b9ab91480afb6c54c1a34499cf467e086e3bb61829d0336d14001c64d0990d4

SHA512
2957f5d20e12f6b388e2707d3bef5c26ecd728579bf093861727db5e804fd2578ce92a65ac966e6b3a56207aa3e504c8501d51c113944f8605f9e0231d4815eb

Download Submit
C:\Users\Admin\AppData\Local\HTML Pad Hunter\htmlpadhunt.exe

Filesize
1.6MB

MD5
46d3b72e44b5590cada2cb7b30b512d6

SHA1
b6843f6eaaa64339e82097376cacc3d14c495825

SHA256
bd191dca63e04d308f097dcf52fc95cd143b0bad47c0f6ce7d8b7e32c30a1c8f

SHA512
6fd8f5a9ba50a62fedc6cf3c4372aeba7da003016ca40626467de957d39d13562d294f8240f2647dcfd823c6bf5e8ac8b126d454aa7d607b0e894850a1171161

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2BJ93.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2BJ93.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-O42MF.tmp\3e2ae3d3f36e34c8e8601cb49e3f649c9b85ee3586e9771858d0d2a19c513705.tmp

Filesize
677KB

MD5
ed5aaa73297efebf32e02e1b894ff97f

SHA1
2cdf7a7b8a8bf981fbdd6c48d521eb75b9bb346f

SHA256
100656adcfaee0113fa42755f4b960960feee667f5e960b83f271337b4e71386

SHA512
bc1319543b318db87539b7bc828fad665a8dd6f71ab474df920b181114b9bf4c14fc228d1d043a16de3c1cce44ff81c874eadec67c0bbbbcf8aa12472e522a4a

Download Submit
memory/1772-6-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/1772-55-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/1772-53-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2024-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2024-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4668-79-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-71-0x00000000007C0000-0x0000000000862000-memory.dmp

Filesize
648KB

Download
memory/4668-102-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-99-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-54-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-95-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-58-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-59-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-62-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-65-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-68-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-51-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-72-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-73-0x00000000007C0000-0x0000000000862000-memory.dmp

Filesize
648KB

Download
memory/4668-92-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-82-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-83-0x00000000007C0000-0x0000000000862000-memory.dmp

Filesize
648KB

Download
memory/4668-86-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4668-89-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4692-43-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4692-44-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4692-45-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/4692-48-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download

Analysis

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