socks5systemz | ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 01:20

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General

Target

ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe
Size

4.9MB
MD5

df3ab9646942241f8f3097ec8e22f312
SHA1

ddca2ae67957d3a7d6fdd0a9860ec90360ad5e8b
SHA256

ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63
SHA512

7bd87ec6a2301faffd601aa29d2c7ab3def9e838d0b646abe217035846f689006af177b1a25dfe26edbcf1408825c6fe56ea4c9abafce9acf7c41b9e5f64253f
SSDEEP

98304:CB7SV3Obs0aDiog6rLw22eTG72H60I0MnLdp/QGKUvM14Qx3:1Mbs0Qvgw8MGR0MLn/55MSQl

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5100-87-0x00000000029A0000-0x0000000002A41000-memory.dmp	family_socks5systemz
behavioral2/memory/5100-110-0x00000000029A0000-0x0000000002A41000-memory.dmp	family_socks5systemz
behavioral2/memory/5100-111-0x00000000029A0000-0x0000000002A41000-memory.dmp	family_socks5systemz

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

Detects executables packed with VMProtect. 18 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1940-60-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1940-63-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1940-65-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-68-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-71-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-74-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-77-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-80-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-83-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-88-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-94-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-97-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-100-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-103-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-106-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-109-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-115-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5100-118-0x0000000000400000-0x0000000000769000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

Processes:

ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmptotalrecorderfree32.exetotalrecorderfree32.exe

pid process

316 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp
1940 totalrecorderfree32.exe
5100 totalrecorderfree32.exe
Loads dropped DLL 1 IoCs

Processes:

ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp

pid process

316 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.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:

ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp

pid process

316 ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp

pid	process
316	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp
1940	totalrecorderfree32.exe
5100	totalrecorderfree32.exe

pid	process
316	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
316	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exeac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp

description	pid	process	target process
PID 4336 wrote to memory of 316	4336	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp
PID 4336 wrote to memory of 316	4336	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp
PID 4336 wrote to memory of 316	4336	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp
PID 316 wrote to memory of 1940	316	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp	totalrecorderfree32.exe
PID 316 wrote to memory of 1940	316	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp	totalrecorderfree32.exe
PID 316 wrote to memory of 1940	316	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp	totalrecorderfree32.exe
PID 316 wrote to memory of 5100	316	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp	totalrecorderfree32.exe
PID 316 wrote to memory of 5100	316	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp	totalrecorderfree32.exe
PID 316 wrote to memory of 5100	316	ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp	totalrecorderfree32.exe

C:\Users\Admin\AppData\Local\Temp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe
"C:\Users\Admin\AppData\Local\Temp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4336

C:\Users\Admin\AppData\Local\Temp\is-ES5V2.tmp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp
"C:\Users\Admin\AppData\Local\Temp\is-ES5V2.tmp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp" /SL5="$40208,4915507,54272,C:\Users\Admin\AppData\Local\Temp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:316

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:1940

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:5100

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-AL261.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ES5V2.tmp\ac82b4fc0893c91e7bbd49f55c60394c773065f20560a86838b6e27328bd0d63.tmp
Filesize
680KB

MD5
30aac890bf700fefcd93022f840254b1

SHA1
70739b6caf72dd41b3b4cefd6ad2d4942db7ea2a

SHA256
796212c565796f92a71eb1fc46cbe8e06a746f1da93a232ae58fcd500670f4f8

SHA512
e954a5e610118163cbc471766d9d9f1a9dad95dc06b96cc3b7e9d695da1974e0ef57ab890d06e10bee25a055a022ddd17d63a2ef9919ffc3cee5c516b15567b2

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

MD5
57e6e48c920a316c9fd790a5c12714ea

SHA1
94cb960734aa22a57828fac573d2131eb1f1dff4

SHA256
9535d40517813037a3de472298e69928b4444d303e618ede1c62ceb38fe27564

SHA512
ca87eef9af109915c41c55edf649dd63e6831fc30cd93aa0c6d297dd09c48ebaf279e948697d10714ae5b48c9d65b24cff9a0e425bc69ca7d3aa789e51921009

Download Submit
memory/316-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/316-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1940-59-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/1940-60-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/1940-63-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/1940-65-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/4336-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4336-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4336-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5100-74-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-97-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-68-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-77-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-80-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-83-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-88-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-87-0x00000000029A0000-0x0000000002A41000-memory.dmp

Filesize
644KB

Download
memory/5100-94-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-71-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-100-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-103-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-106-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-109-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-110-0x00000000029A0000-0x0000000002A41000-memory.dmp

Filesize
644KB

Download
memory/5100-111-0x00000000029A0000-0x0000000002A41000-memory.dmp

Filesize
644KB

Download
memory/5100-115-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download
memory/5100-118-0x0000000000400000-0x0000000000769000-memory.dmp

Filesize
3.4MB

Download