socks5systemz | e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b

Analysis

max time kernel
146s
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 18:25

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General

Target

e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.exe
Size

4.9MB
MD5

711d4584331c0a63e4019befacb9c014
SHA1

29b1b6033457b6d73b679af30fdbf6345ea0025a
SHA256

e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b
SHA512

1c0725acc83ae60012a0e2303a628988bb6df32165d687d6baf4cb45a1dee4a05a2bab77b29ad47e6c8de43eab54ee4a6103c40c2e83d59c61b27ae062cc9852
SSDEEP

98304:C9rlZz8oEfTZzy9HFJfJSnxYFKk5i1wxcVUsQNvjJgO51YxfQlQxg:c5Zz1Ef1G5LJII41wxczOMxfaQC

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/884-87-0x0000000000A50000-0x0000000000AF1000-memory.dmp	family_socks5systemz
behavioral2/memory/884-111-0x0000000000A50000-0x0000000000AF1000-memory.dmp	family_socks5systemz
behavioral2/memory/884-112-0x0000000000A50000-0x0000000000AF1000-memory.dmp	family_socks5systemz

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

Processes:

e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmptotalrecorderfree32_64.exetotalrecorderfree32_64.exe

pid process

3220 e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp
2548 totalrecorderfree32_64.exe
884 totalrecorderfree32_64.exe
Loads dropped DLL 1 IoCs

Processes:

e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp

pid process

3220 e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.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 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:

e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp

pid process

3220 e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp

pid	process
3220	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp
2548	totalrecorderfree32_64.exe
884	totalrecorderfree32_64.exe

pid	process
3220	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
3220	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.exee67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp

description	pid	process	target process
PID 4960 wrote to memory of 3220	4960	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.exe	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp
PID 4960 wrote to memory of 3220	4960	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.exe	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp
PID 4960 wrote to memory of 3220	4960	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.exe	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp
PID 3220 wrote to memory of 2548	3220	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp	totalrecorderfree32_64.exe
PID 3220 wrote to memory of 2548	3220	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp	totalrecorderfree32_64.exe
PID 3220 wrote to memory of 2548	3220	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp	totalrecorderfree32_64.exe
PID 3220 wrote to memory of 884	3220	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp	totalrecorderfree32_64.exe
PID 3220 wrote to memory of 884	3220	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp	totalrecorderfree32_64.exe
PID 3220 wrote to memory of 884	3220	e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp	totalrecorderfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.exe
"C:\Users\Admin\AppData\Local\Temp\e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4960

C:\Users\Admin\AppData\Local\Temp\is-VO235.tmp\e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-VO235.tmp\e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.tmp" /SL5="$6020A,4919960,54272,C:\Users\Admin\AppData\Local\Temp\e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3220

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:2548

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:884

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-E2E6O.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VO235.tmp\e67f2a40d655129ea3786d2c3d03896b8325c64c9707faaeeb51ac45f3c5b58b.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
901747cf52272821d1ae6fd34866132a

SHA1
70c9a00d750b725e6e916ca3d1c91604e54a95d7

SHA256
4d6316ceabcbc87595adc4bdf6123a86a57cd409299e69ac6310d6a9110e04ab

SHA512
a17fd13617fad761b5cd3882c16fd9b23ec6ab733dbcdbc32296ba11f9a5321b7af2a4d09b24bf82bdd64cc2d474ed4407b595a6226ee4b942f834d37eb75352

Download Submit
memory/884-95-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-78-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-119-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-116-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-112-0x0000000000A50000-0x0000000000AF1000-memory.dmp

Filesize
644KB

Download
memory/884-111-0x0000000000A50000-0x0000000000AF1000-memory.dmp

Filesize
644KB

Download
memory/884-110-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-68-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-69-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-107-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-104-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-72-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-75-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-101-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-81-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-84-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-87-0x0000000000A50000-0x0000000000AF1000-memory.dmp

Filesize
644KB

Download
memory/884-89-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/884-98-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2548-63-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2548-65-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2548-60-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2548-59-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/3220-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3220-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4960-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4960-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4960-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download