socks5systemz | 056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
28-06-2024 23:31

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General

Target

056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.exe
Size

4.9MB
MD5

b9dd1636c968d62dc29652e5767dd2d8
SHA1

5bbdb6228d27bb8f155fae17a697cbe6b01869ba
SHA256

056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296
SHA512

bd61ef575db0d3be663ad9bb85039b9868dc9d178de6803ca4edf4ee86c2a00f203871d5552d9751ca24846cbb8c4f27613912b75f29bfc4b2cb8b291f2e3a7c
SSDEEP

98304:CPqGAWvkNrerFtNTLPJTtFndJUu8UkNsjPBZb5N0dmqrVMQxg:9W2er5jJTtPJRsNsrH5NGmqreQC

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2316-84-0x0000000000A50000-0x0000000000AF1000-memory.dmp	family_socks5systemz
behavioral2/memory/2316-110-0x0000000000A50000-0x0000000000AF1000-memory.dmp	family_socks5systemz
behavioral2/memory/2316-111-0x0000000000A50000-0x0000000000AF1000-memory.dmp	family_socks5systemz

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

Processes:

056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmptotalrecorderfree32_64.exetotalrecorderfree32_64.exe

pid process

2484 056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp
3140 totalrecorderfree32_64.exe
2316 totalrecorderfree32_64.exe
Loads dropped DLL 1 IoCs

Processes:

056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp

pid process

2484 056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.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 45.155.250.90
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:

056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp

pid process

2484 056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp

pid	process
2484	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp
3140	totalrecorderfree32_64.exe
2316	totalrecorderfree32_64.exe

pid	process
2484	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
2484	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.exe056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp

description	pid	process	target process
PID 1652 wrote to memory of 2484	1652	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.exe	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp
PID 1652 wrote to memory of 2484	1652	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.exe	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp
PID 1652 wrote to memory of 2484	1652	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.exe	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp
PID 2484 wrote to memory of 3140	2484	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp	totalrecorderfree32_64.exe
PID 2484 wrote to memory of 3140	2484	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp	totalrecorderfree32_64.exe
PID 2484 wrote to memory of 3140	2484	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp	totalrecorderfree32_64.exe
PID 2484 wrote to memory of 2316	2484	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp	totalrecorderfree32_64.exe
PID 2484 wrote to memory of 2316	2484	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp	totalrecorderfree32_64.exe
PID 2484 wrote to memory of 2316	2484	056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp	totalrecorderfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.exe
"C:\Users\Admin\AppData\Local\Temp\056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\is-NH7HN.tmp\056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp
"C:\Users\Admin\AppData\Local\Temp\is-NH7HN.tmp\056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp" /SL5="$40222,4878525,54272,C:\Users\Admin\AppData\Local\Temp\056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2484

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:3140

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:2316

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

C:\Users\Admin\AppData\Local\Temp\is-4VNL4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-NH7HN.tmp\056acc8eb20691561e49daf5b2d621a4f4428039d6e26d560720cc972edc5296.tmp
Filesize
680KB

MD5
32f6596e136f3f8cfa1fbfd85acef958

SHA1
44411edb185b448613ac7dcfc24a6e2c0da382a3

SHA256
cd40719fec44d56ec09eeabfd56896f6bc80d4cd982f042068baca42141b4713

SHA512
e75005af4acd5ec4f53d584da8fbb2a72358af818dd6643e7eb5b862b3be582ed9cc8c8fb205b04ac2356da87826ab088c0ec658ee890a7605fd32be9b01d626

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

MD5
8597fcbdee3b7f068699e2525ed3a002

SHA1
b6d222ccdc0d03a77b08091093491cbbca9d6b92

SHA256
21674783cb9395b3e523554fb11e9e658eb818da1090a33906087af2b3ba7f37

SHA512
593a1c6198126cbeac1b7e5ee51570dbaa6fde06e238a4199cfb5b6111bd6f00ffc38cb9259169b847dc6bf73d0a62ddd60aeb8934daabb40cbc3f440a784765

Download Submit
memory/1652-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1652-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1652-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2316-97-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-100-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-118-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-115-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-68-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-111-0x0000000000A50000-0x0000000000AF1000-memory.dmp

Filesize
644KB

Download
memory/2316-110-0x0000000000A50000-0x0000000000AF1000-memory.dmp

Filesize
644KB

Download
memory/2316-71-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-74-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-77-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-80-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-83-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-84-0x0000000000A50000-0x0000000000AF1000-memory.dmp

Filesize
644KB

Download
memory/2316-88-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-94-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-109-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-106-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2316-103-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/2484-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2484-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3140-63-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/3140-59-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/3140-60-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download
memory/3140-65-0x0000000000400000-0x0000000000711000-memory.dmp

Filesize
3.1MB

Download