socks5systemz | de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0

General

Target

de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe
Size

4.7MB
MD5

f2329503b1a2561bc0dd9601ec45c373
SHA1

bf581aa890089a7d251bfbc07c7ae3ca7790e0e7
SHA256

de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0
SHA512

145d9c0660a3b674eff3cbed93241709323aa534d8b32ad59200d0b04de676f0d5603ea685908b347b668eaa0564d36a7ac4081d72d6f81079e4457feeb956c7
SSDEEP

98304:miwJLaPdRnr9VD00OR0DbOlhFN4EeZOjzJyib8gH2Agx:4JLaznr9Vw0ODlhF3eCyiIgWAgx

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

buexyii.com

itokpki.info

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2532-92-0x00000000023E0000-0x0000000002482000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmpmediaplayerrptuning.exemediaplayerrptuning.exe

pid process

1684 de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
3040 mediaplayerrptuning.exe
2532 mediaplayerrptuning.exe

pid	process
1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
3040	mediaplayerrptuning.exe
2532	mediaplayerrptuning.exe

Loads dropped DLL 5 IoCs

Processes:

de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exede837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp

pid	process
1960	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe
1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp

Unexpected DNS network traffic destination 13 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description	ioc
Destination IP	152.89.198.214
Destination IP	81.31.197.38
Destination IP	45.155.250.90
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	141.98.234.31
Destination IP	45.155.250.90
Destination IP	91.211.247.248
Destination IP	45.155.250.90
Destination IP	81.31.197.38
Destination IP	152.89.198.214
Destination IP	141.98.234.31
Destination IP	152.89.198.214

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 FindShellTrayWindow 1 IoCs

Processes:

de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp

pid process

1684 de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp

pid	process
1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exede837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp

description	pid	process	target process
PID 1960 wrote to memory of 1684	1960	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
PID 1960 wrote to memory of 1684	1960	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
PID 1960 wrote to memory of 1684	1960	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
PID 1960 wrote to memory of 1684	1960	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
PID 1960 wrote to memory of 1684	1960	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
PID 1960 wrote to memory of 1684	1960	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
PID 1960 wrote to memory of 1684	1960	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
PID 1684 wrote to memory of 3040	1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp	mediaplayerrptuning.exe
PID 1684 wrote to memory of 3040	1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp	mediaplayerrptuning.exe
PID 1684 wrote to memory of 3040	1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp	mediaplayerrptuning.exe
PID 1684 wrote to memory of 3040	1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp	mediaplayerrptuning.exe
PID 1684 wrote to memory of 2532	1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp	mediaplayerrptuning.exe
PID 1684 wrote to memory of 2532	1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp	mediaplayerrptuning.exe
PID 1684 wrote to memory of 2532	1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp	mediaplayerrptuning.exe
PID 1684 wrote to memory of 2532	1684	de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp	mediaplayerrptuning.exe

C:\Users\Admin\AppData\Local\Temp\de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe
"C:\Users\Admin\AppData\Local\Temp\de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1960

C:\Users\Admin\AppData\Local\Temp\is-GBFN9.tmp\de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
"C:\Users\Admin\AppData\Local\Temp\is-GBFN9.tmp\de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp" /SL5="$400E4,4709342,54272,C:\Users\Admin\AppData\Local\Temp\de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -i
3⤵
- Executes dropped EXE
PID:3040

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -s
3⤵
- Executes dropped EXE
PID:2532

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
Filesize
2.7MB

MD5
fd57dc8ba16ebf7014267be8b2827b5b

SHA1
7f36af46a89c4d3a21755213fe2479a32de0de6d

SHA256
8a297a554f3c028d309038af7d3e6fc9cf92d973bad08c2a77d51d4020e2c5dd

SHA512
8a338b226eeca2e817131846ce0bccbeb19a1f6dd2d0741a7c10400404e012d011a10e7b23c6c03b59e0c36a617158efd77a06231c9b11aae867c6e1b66e8d0e

Download Submit
\Users\Admin\AppData\Local\Temp\is-ARN5U.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-ARN5U.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-GBFN9.tmp\de837c4609e97b7bcd878843277555afa9ba5128807b43a9634d13e15321cce0.tmp
Filesize
680KB

MD5
2883ddf6925173ecfb8e9a320997b71f

SHA1
5fabceccfcb78c09cd291f7727788b68fe4fd745

SHA256
e331e923521bb37183ec3df450330a19a138ac693fdb00ef7d6a4bfdd42c4f8d

SHA512
e8fb787977a66c5580e7dc85e1711a152bcd66fa05cfc79be4cf85eda097414bcd82945684b5f9c9126a3abcff111bf58f271bf0189ea6bc632d3126528925ba

Download Submit
memory/1684-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1684-64-0x0000000003500000-0x00000000037B2000-memory.dmp

Filesize
2.7MB

Download
memory/1684-79-0x0000000003500000-0x00000000037B2000-memory.dmp

Filesize
2.7MB

Download
memory/1684-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1960-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1960-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1960-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2532-104-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-98-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-134-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-75-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-78-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-131-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-82-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-85-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-88-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-91-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-92-0x00000000023E0000-0x0000000002482000-memory.dmp

Filesize
648KB

Download
memory/2532-71-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-101-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-128-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-107-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-110-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-113-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-116-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-119-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-122-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/2532-125-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/3040-65-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/3040-67-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/3040-69-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads