socks5systemz | 2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f

General

Target

2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe
Size

4.8MB
MD5

366447278e44dcc8b3c17c97cfbb6dc1
SHA1

a0c0e86a34eb821f13c16713d331fb99b6e9c2fb
SHA256

2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f
SHA512

e468a99e5ce3fee794d094b6630011376b0f428fdde8cafd047e15d54a8115ede3edcc91e0d2cf1c5d199ee95ce715a11b8d693ed5427c76443e1b88b00bb997
SSDEEP

98304:muhyGhE3kiuVIMs0P8BhaA75TVKlX388MxkjhaWQAVws2eL:O+EReSlxScZx6aWZ

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://ejjeybs.ua/search/?q=67e28dd86b5cf27c420ff9177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffa19c4e7939a3a

http://ejjeybs.ua/search/?q=67e28dd86b5cf27c420ff9177c27d78406abdd88be4b12eab517aa5c96bd86ee928048845a8bbc896c58e713bc90c91936b5281fc235a925ed3e00d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee90923fc5699617

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/3572-84-0x00000000008F0000-0x0000000000992000-memory.dmp	family_socks5systemz
behavioral1/memory/3572-110-0x00000000008F0000-0x0000000000992000-memory.dmp	family_socks5systemz
behavioral1/memory/3572-111-0x00000000008F0000-0x0000000000992000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
5100	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp
868	glorytxvoice.exe
3572	glorytxvoice.exe

Loads dropped DLL 1 IoCs

pid	Process
5100	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.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
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 3528 wrote to memory of 5100	3528	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe	83
PID 3528 wrote to memory of 5100	3528	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe	83
PID 3528 wrote to memory of 5100	3528	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe	83
PID 5100 wrote to memory of 868	5100	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp	87
PID 5100 wrote to memory of 868	5100	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp	87
PID 5100 wrote to memory of 868	5100	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp	87
PID 5100 wrote to memory of 3572	5100	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp	88
PID 5100 wrote to memory of 3572	5100	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp	88
PID 5100 wrote to memory of 3572	5100	2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp	88

C:\Users\Admin\AppData\Local\Temp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe
"C:\Users\Admin\AppData\Local\Temp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Users\Admin\AppData\Local\Temp\is-MH43M.tmp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-MH43M.tmp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp" /SL5="$401C8,4731536,54272,C:\Users\Admin\AppData\Local\Temp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:5100
- - C:\Users\Admin\AppData\Local\GLORY TX Voice\glorytxvoice.exe
    "C:\Users\Admin\AppData\Local\GLORY TX Voice\glorytxvoice.exe" -i
    3⤵
    - Executes dropped EXE
    PID:868
- - C:\Users\Admin\AppData\Local\GLORY TX Voice\glorytxvoice.exe
    "C:\Users\Admin\AppData\Local\GLORY TX Voice\glorytxvoice.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3572

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\GLORY TX Voice\glorytxvoice.exe

Filesize
3.1MB

MD5
29c127dc0f3874be5c405bdf7cc3236c

SHA1
4284a384630d7c254b5a391e5c9e68fe190eb092

SHA256
bb246a455c1bc94f5b6a360c48f66fbc5911b5701ede167224ffdd8558d1e714

SHA512
bcbdfffa27014879e6ee219d177c0ba9b80459eb4673017abc514bc7ca51d91cf9cf935735fba9d15a81b03621f7d61742603d3e480734407a4c06a29141803a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-43SF3.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MH43M.tmp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp

Filesize
677KB

MD5
cd82a29a5c7667913fd112636503488c

SHA1
63c1736c2dd90e61f029533aeeee9ffce2375e51

SHA256
f39fbfc2b06c3c50d8b8350f56c2d342917f2bdbbb476a14bce63c0eb6707816

SHA512
9fdc8116235baad61e243917567434024ff972f30852541c885c77490b48a490a0c607de1da5a21a8cf02231908d81e98688a27cfc94a7dd9169f20be05c469d

Download Submit
memory/868-59-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/868-64-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/868-60-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3528-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3528-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3528-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3572-74-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-94-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-67-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-118-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-71-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-115-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-77-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-80-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-83-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-84-0x00000000008F0000-0x0000000000992000-memory.dmp

Filesize
648KB

Download
memory/3572-89-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-68-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-97-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-100-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-103-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-106-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-109-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/3572-110-0x00000000008F0000-0x0000000000992000-memory.dmp

Filesize
648KB

Download
memory/3572-111-0x00000000008F0000-0x0000000000992000-memory.dmp

Filesize
648KB

Download
memory/5100-10-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5100-70-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

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