socks5systemz | d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e

General

Target

d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.exe
Size

2.2MB
MD5

89619004c54640d5671ecbee6fe9481e
SHA1

2b1b6ec6e0f60d8699c4398ed43fb586c037470a
SHA256

d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e
SHA512

74fd4401b3ce586ab84b7672c13a2113c9aa45a593401a0176defeb28d47b8c1cd22c4ac03431e1be6e320e474d4e50e1c8398add4f9ae9d568a79e13dcee696
SSDEEP

49152:32eU2auZtnDdVyoq3+Ub4XxfB2Zsb6Xd0XBQYH/ZFpzg1NnLja:meZXZxdAoq3+E4BfwZso0XBdH/FCta

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://ccidyde.net/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c8eb91923f

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/984-67-0x0000000000830000-0x00000000008D2000-memory.dmp	family_socks5systemz
behavioral1/memory/984-68-0x0000000000830000-0x00000000008D2000-memory.dmp	family_socks5systemz
behavioral1/memory/984-78-0x0000000000830000-0x00000000008D2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2268	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.tmp
2748	polyglot32.exe
984	polyglot32.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.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 4008 wrote to memory of 2268	4008	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.exe	90
PID 4008 wrote to memory of 2268	4008	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.exe	90
PID 4008 wrote to memory of 2268	4008	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.exe	90
PID 2268 wrote to memory of 2748	2268	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.tmp	93
PID 2268 wrote to memory of 2748	2268	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.tmp	93
PID 2268 wrote to memory of 2748	2268	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.tmp	93
PID 2268 wrote to memory of 984	2268	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.tmp	94
PID 2268 wrote to memory of 984	2268	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.tmp	94
PID 2268 wrote to memory of 984	2268	d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.tmp	94

C:\Users\Admin\AppData\Local\Temp\d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.exe
"C:\Users\Admin\AppData\Local\Temp\d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4008
- C:\Users\Admin\AppData\Local\Temp\is-2IT3J.tmp\d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2IT3J.tmp\d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.tmp" /SL5="$901D4,1997986,54272,C:\Users\Admin\AppData\Local\Temp\d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglot32.exe
    "C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglot32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2748
- - C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglot32.exe
    "C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglot32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:984

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\Poly Glot Edit\polyglot32.exe

Filesize
2.8MB

MD5
dd5fe27c21e3b5fdaec2762ed739cb63

SHA1
9c411e83c7788d02899ee8683c199d6672101180

SHA256
c8275edcc2cdd91769fe2835a9981bca9867e77d1f828b9ffaf3a92863f00f10

SHA512
b33e0db4a9a0a3febd145af5f30c1f2c6311d9fc5dfe90e468f68dcbe712ceca7ecb4de36512bff557552d2415e91ed7cb82e11bfec0bb599564fa5cfecd7dce

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2IT3J.tmp\d425def79a4f18a2b73607fa17930e49e425eed6c087a9e39091769ac86ebd1e.tmp

Filesize
677KB

MD5
e3c3ff614a631373b2a2e6d45ea2ac14

SHA1
70f42dbed691518993cd86cc803845b68e63151d

SHA256
ef6a7f6238c4f5042a7c806a6edf5fb21c24dead0e3bda36eadaf1fc121a0116

SHA512
a206357efbc6a257ce88ffd9a022d8133c6a8cf2c44796f3a80967e71cb9a144643146106f94ff7e5bac4aadf50f959d2e2783a2ad11a7ed7ca123d463486545

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-B2LLP.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/984-77-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-78-0x0000000000830000-0x00000000008D2000-memory.dmp

Filesize
648KB

Download
memory/984-97-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-94-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-90-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-87-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-84-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-46-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-81-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-63-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-49-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-74-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-53-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-54-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-60-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-68-0x0000000000830000-0x00000000008D2000-memory.dmp

Filesize
648KB

Download
memory/984-57-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-66-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/984-67-0x0000000000830000-0x00000000008D2000-memory.dmp

Filesize
648KB

Download
memory/2268-7-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/2268-50-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/2268-48-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2748-43-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/2748-41-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/2748-39-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/2748-38-0x0000000000400000-0x00000000006C8000-memory.dmp

Filesize
2.8MB

Download
memory/4008-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4008-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4008-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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