socks5systemz | 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490

Analysis

max time kernel
293s
max time network
248s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 05:02

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General

Target

36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe
Size

4.9MB
MD5

f929cb3d7250bbedf1f843c4b5ba5e09
SHA1

69487c6f11af835412f579382fd8214221fa51c2
SHA256

36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490
SHA512

27e580dc7e3e91aa2be98f66745372d83e751a748ed7cb6cc38dba3fe8f98f8171145bd48daa723a7b13b127ebecf170b89b5e3cdaacfece54f3ad0ff8cff9e8
SSDEEP

98304:CU8aNCaXKUm0I+w17QcEzoIa0S60f+uLBsbbkvOpLtq4e2T+h2Q9zXI8Qxg:B8KCxUm2w17Qcky0Mr9iSOpLAv2T+hvJ

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2488-93-0x0000000002220000-0x00000000022C1000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmptotalrecorderfree32_64.exetotalrecorderfree32_64.exe

pid process

2424 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
2088 totalrecorderfree32_64.exe
2488 totalrecorderfree32_64.exe

resource	yara_rule
behavioral1/memory/2488-93-0x0000000002220000-0x00000000022C1000-memory.dmp	family_socks5systemz

pid	process
2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
2088	totalrecorderfree32_64.exe
2488	totalrecorderfree32_64.exe

Loads dropped DLL 5 IoCs

Processes:

36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp

pid	process
2208	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe
2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp

Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

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 FindShellTrayWindow 1 IoCs

Processes:

36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp

pid process

2424 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp

description	pid	process	target process
PID 2208 wrote to memory of 2424	2208	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
PID 2208 wrote to memory of 2424	2208	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
PID 2208 wrote to memory of 2424	2208	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
PID 2208 wrote to memory of 2424	2208	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
PID 2208 wrote to memory of 2424	2208	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
PID 2208 wrote to memory of 2424	2208	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
PID 2208 wrote to memory of 2424	2208	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
PID 2424 wrote to memory of 2088	2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp	totalrecorderfree32_64.exe
PID 2424 wrote to memory of 2088	2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp	totalrecorderfree32_64.exe
PID 2424 wrote to memory of 2088	2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp	totalrecorderfree32_64.exe
PID 2424 wrote to memory of 2088	2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp	totalrecorderfree32_64.exe
PID 2424 wrote to memory of 2488	2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp	totalrecorderfree32_64.exe
PID 2424 wrote to memory of 2488	2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp	totalrecorderfree32_64.exe
PID 2424 wrote to memory of 2488	2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp	totalrecorderfree32_64.exe
PID 2424 wrote to memory of 2488	2424	36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp	totalrecorderfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe
"C:\Users\Admin\AppData\Local\Temp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208

C:\Users\Admin\AppData\Local\Temp\is-JF5PT.tmp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
"C:\Users\Admin\AppData\Local\Temp\is-JF5PT.tmp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp" /SL5="$70122,4939921,54272,C:\Users\Admin\AppData\Local\Temp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2424

C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe
"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe" -i
3⤵
- Executes dropped EXE
PID:2088

C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe
"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe" -s
3⤵
- Executes dropped EXE
PID:2488

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\is-D3H8B.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-D3H8B.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-JF5PT.tmp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp
Filesize
680KB

MD5
32f6596e136f3f8cfa1fbfd85acef958

SHA1
44411edb185b448613ac7dcfc24a6e2c0da382a3

SHA256
cd40719fec44d56ec09eeabfd56896f6bc80d4cd982f042068baca42141b4713

SHA512
e75005af4acd5ec4f53d584da8fbb2a72358af818dd6643e7eb5b862b3be582ed9cc8c8fb205b04ac2356da87826ab088c0ec658ee890a7605fd32be9b01d626

Download Submit
\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe
Filesize
3.1MB

MD5
2244e6f148258ce97d5dfb1b31b1af87

SHA1
0dfd94b9ee9dcde7695b5ce2809cb868c4d8885d

SHA256
b04b170e5fd00883cfba1de9fe025854aeab902730675dc1cfe651239d868f86

SHA512
64e4d3b3d604c0f8aabc7febfa8dd06b33a7d88e5f7bbcb46e84eb5f788729457be19f3e248a0ed05bf9c0520905240e1c593ac4f4e3d868d81b70afa485681f

Download Submit
memory/2088-70-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2088-65-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2088-66-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2208-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2208-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2208-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-80-0x00000000039B0000-0x0000000003CD1000-memory.dmp

Filesize
3.1MB

Download
memory/2424-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2424-64-0x00000000039B0000-0x0000000003CD1000-memory.dmp

Filesize
3.1MB

Download
memory/2424-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2488-102-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-108-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-76-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-83-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-86-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-89-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-92-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-93-0x0000000002220000-0x00000000022C1000-memory.dmp

Filesize
644KB

Download
memory/2488-99-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-72-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-105-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-79-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-111-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-114-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-118-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-121-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-124-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-127-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-130-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-133-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download
memory/2488-138-0x0000000000400000-0x0000000000721000-memory.dmp

Filesize
3.1MB

Download