socks5systemz | 3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52

Analysis

max time kernel
313s
max time network
323s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 01:01

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General

Target

3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe
Size

2.0MB
MD5

7b0450a8f0f55e1a4dd87d63c89391ec
SHA1

07791ca729fe8530516a30cf79537851087e838c
SHA256

3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52
SHA512

57c388a091fb1d381d6c5b6eb903100ef598e5abdd623508407305ac91a7809230d4733a354f61b0c79c8daa373f1094ec7a72471a423544d9d433776dd33466
SSDEEP

49152:32wgMX097PjZYMpO6qaO9emlnq22+Q6NzFWatjY0gKNB:mwVgrZYMG9emtq2rQ6F8atRJB

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

http://dtewswe.info/search/?q=67e28dd83a08f628140aae1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f271ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a678af915c6ee97

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2724-78-0x00000000022B0000-0x0000000002354000-memory.dmp	family_socks5systemz
behavioral1/memory/2724-80-0x00000000022B0000-0x0000000002354000-memory.dmp	family_socks5systemz
behavioral1/memory/2724-91-0x00000000022B0000-0x0000000002354000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp
2868	linkdetector32.exe
2724	linkdetector32.exe

Loads dropped DLL 5 IoCs

pid	Process
2500	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe
2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp
2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp
2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp
2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.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 15 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2528	2500	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe	30
PID 2500 wrote to memory of 2528	2500	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe	30
PID 2500 wrote to memory of 2528	2500	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe	30
PID 2500 wrote to memory of 2528	2500	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe	30
PID 2500 wrote to memory of 2528	2500	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe	30
PID 2500 wrote to memory of 2528	2500	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe	30
PID 2500 wrote to memory of 2528	2500	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe	30
PID 2528 wrote to memory of 2868	2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp	31
PID 2528 wrote to memory of 2868	2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp	31
PID 2528 wrote to memory of 2868	2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp	31
PID 2528 wrote to memory of 2868	2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp	31
PID 2528 wrote to memory of 2724	2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp	32
PID 2528 wrote to memory of 2724	2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp	32
PID 2528 wrote to memory of 2724	2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp	32
PID 2528 wrote to memory of 2724	2528	3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp	32

C:\Users\Admin\AppData\Local\Temp\3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe
"C:\Users\Admin\AppData\Local\Temp\3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\is-3PG5C.tmp\3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-3PG5C.tmp\3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp" /SL5="$30156,1756554,54272,C:\Users\Admin\AppData\Local\Temp\3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Users\Admin\AppData\Local\Broken Link Detector\linkdetector32.exe
    "C:\Users\Admin\AppData\Local\Broken Link Detector\linkdetector32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2868
- - C:\Users\Admin\AppData\Local\Broken Link Detector\linkdetector32.exe
    "C:\Users\Admin\AppData\Local\Broken Link Detector\linkdetector32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Broken Link Detector\linkdetector32.exe

Filesize
2.2MB

MD5
85dbd43caf8696d8239699d2f4d53d8e

SHA1
01b659ae393802dec350fb28120f06e475f945d0

SHA256
72dba373548318898b3e4f318f79ca31439bb339e7a6b57c96e5c33c869c7175

SHA512
a0c9f0cf2615154424be26087eb786b9219760f2f0c26e91059a7504c2ddfbe2bafaefb0f1f6d9f5ec2eae1a73a1bc849c6a728930e63a69b4ea37cfb818d88b

Download Submit
\Users\Admin\AppData\Local\Temp\is-0IGKJ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-0IGKJ.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-3PG5C.tmp\3c0e672bce0dad4ed808fc11657433c09a949dde5cb92cb6e3e9ca3b70d1ee52.tmp

Filesize
677KB

MD5
33da9dc521f467c0405d3ef5377ce04b

SHA1
5249d7ce5dfabe5ee6d2fc7d3f3eba1e866b7d1f

SHA256
dbab8a7b2b45fc7001d5e34d3d45ccbe93a7591f12910281acf2c32f8c4e631c

SHA512
a3093637e1d731eab58080e10706db1afbf6e79fbac6593733b61033f97875ecbe230311e9741d349625ec3a66a6435318846d35290db8cd00af76d692699a55

Download Submit
memory/2500-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2500-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2500-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2528-50-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2528-8-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2528-41-0x0000000003400000-0x0000000003639000-memory.dmp

Filesize
2.2MB

Download
memory/2528-56-0x0000000003400000-0x0000000003639000-memory.dmp

Filesize
2.2MB

Download
memory/2528-54-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2724-91-0x00000000022B0000-0x0000000002354000-memory.dmp

Filesize
656KB

Download
memory/2724-80-0x00000000022B0000-0x0000000002354000-memory.dmp

Filesize
656KB

Download
memory/2724-120-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-117-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-114-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-57-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-60-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-63-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-64-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-67-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-68-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-71-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-74-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-77-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-78-0x00000000022B0000-0x0000000002354000-memory.dmp

Filesize
656KB

Download
memory/2724-111-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-85-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-88-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-108-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-92-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-95-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-98-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-101-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2724-105-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2868-44-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2868-51-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2868-45-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2868-46-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2868-52-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download