socks5systemz | 2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 15:08

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General

Target

2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.exe
Size

4.9MB
MD5

58dad2a6ad8cf8f0effe4a60a625a7b1
SHA1

497d5ec3ab1aeed5afd1eca25a5acc7249c48f0c
SHA256

2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2
SHA512

8b191e4ee909d901d9ab62a88244ff5ac176b9e3a29a23dbfb1c426fdc2024d2a2c8483a1ac97c7846d4639a6ecd1a8b21e709bd6d73126aa428a8618ba637f7
SSDEEP

98304:CguimEB6OyqCZ/nWBY9DP2W/hECOOccWAzTaMIUaUGNffS1iNZ0RLLYLeA7MPOQG:MjEMqo/WKx5DqkNuffm8+LLCekMPOQG

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2784-86-0x0000000002990000-0x0000000002A31000-memory.dmp	family_socks5systemz
behavioral1/memory/2784-110-0x0000000002990000-0x0000000002A31000-memory.dmp	family_socks5systemz
behavioral1/memory/2784-111-0x0000000002990000-0x0000000002A31000-memory.dmp	family_socks5systemz

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

Processes:

2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmptotalrecorderfree32.exetotalrecorderfree32.exe

pid process

4544 2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp
4748 totalrecorderfree32.exe
2784 totalrecorderfree32.exe
Loads dropped DLL 1 IoCs

Processes:

2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp

pid process

4544 2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.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:

2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp

pid process

4544 2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp

pid	process
4544	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp
4748	totalrecorderfree32.exe
2784	totalrecorderfree32.exe

pid	process
4544	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
4544	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.exe2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp

description	pid	process	target process
PID 1720 wrote to memory of 4544	1720	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.exe	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp
PID 1720 wrote to memory of 4544	1720	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.exe	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp
PID 1720 wrote to memory of 4544	1720	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.exe	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp
PID 4544 wrote to memory of 4748	4544	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp	totalrecorderfree32.exe
PID 4544 wrote to memory of 4748	4544	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp	totalrecorderfree32.exe
PID 4544 wrote to memory of 4748	4544	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp	totalrecorderfree32.exe
PID 4544 wrote to memory of 2784	4544	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp	totalrecorderfree32.exe
PID 4544 wrote to memory of 2784	4544	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp	totalrecorderfree32.exe
PID 4544 wrote to memory of 2784	4544	2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp	totalrecorderfree32.exe

C:\Users\Admin\AppData\Local\Temp\2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.exe
"C:\Users\Admin\AppData\Local\Temp\2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1720

C:\Users\Admin\AppData\Local\Temp\is-B1RRQ.tmp\2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-B1RRQ.tmp\2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp" /SL5="$A01CC,4914391,54272,C:\Users\Admin\AppData\Local\Temp\2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4544

C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe
"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe" -i
3⤵
- Executes dropped EXE
PID:4748

C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe
"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe" -s
3⤵
- Executes dropped EXE
PID:2784

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-6V0AR.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-B1RRQ.tmp\2ea3ed2b71990bf8be9e338602962ae956428513f9bc7cf2a74efe20c53d05e2.tmp
Filesize
680KB

MD5
a6e422eb5cec9f5539b65b345240a9d3

SHA1
e1d16f9afa3723c452e83c037d194b4dac9f3b98

SHA256
3ebda3800ecaba3ba6290add9d2da905fcd333c0dfe60f849ce12aa7d1b11be8

SHA512
12cdbf83faaee5b94fbff77c19d49bfc2ad48eea8d3c70b25e1621930f5955c220a2be68739872f061e9832371f599d16fe3e72e4a47834839f93beb8381c026

Download Submit
C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe
Filesize
3.4MB

MD5
923a48fbf3367cb1a4520339c20d25fe

SHA1
47f68ffcc9c7eb573b3566a82c60287d6214732a

SHA256
c9c73e5091c9b12be144f55f41d4c53dc87da2e1e90f47d62166c743f2d44ba0

SHA512
0c8b9ae5a925fdfb7e6dd2985bac5a23e17004261ae00e422b9ee09bb73e702dd2a476c1693c1bebb022e7d177605db8df07f2d78f69ed069689b2c1ca0d128c

Download Submit
memory/1720-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1720-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1720-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2784-97-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-100-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-118-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-115-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-68-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-111-0x0000000002990000-0x0000000002A31000-memory.dmp

Filesize
644KB

Download
memory/2784-110-0x0000000002990000-0x0000000002A31000-memory.dmp

Filesize
644KB

Download
memory/2784-71-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-74-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-77-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-80-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-83-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-86-0x0000000002990000-0x0000000002A31000-memory.dmp

Filesize
644KB

Download
memory/2784-89-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-94-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-109-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-106-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/2784-103-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/4544-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4544-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4748-60-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/4748-59-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/4748-63-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/4748-65-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download