socks5systemz | 5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c

General

Target

5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.exe
Size

4.8MB
MD5

bc6158f5c943a9af271f83b1d79fc94b
SHA1

f5b5c175ab3491721c2a11a2f17fd710450cd705
SHA256

5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c
SHA512

d819fd6d969a4706039bef5c464aad59c4947bd6b7586e761452ee24a1db433fd226103dcc5c437f9cb0bf6fb006a02975463b158ef44da42357fc36c3efbdc5
SSDEEP

98304:mHh8CHXMgeqG3p+r12wY3R6uYUzjn2ttswB/qi1eNDfq/KhS6m6Za9fw:O3XFeqcp+JBERp9yBCAeJy/Khfa9fw

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

cslgiwl.net

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3584-87-0x0000000002470000-0x0000000002512000-memory.dmp	family_socks5systemz

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

Processes:

5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmporangestarsaudioconverter.exeorangestarsaudioconverter.exe

pid process

896 5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp
824 orangestarsaudioconverter.exe
3584 orangestarsaudioconverter.exe
Loads dropped DLL 1 IoCs

Processes:

5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp

pid process

896 5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp
Unexpected DNS network traffic destination 3 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
Destination IP 141.98.234.31
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:

5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp

pid process

896 5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp

pid	process
896	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp
824	orangestarsaudioconverter.exe
3584	orangestarsaudioconverter.exe

pid	process
896	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	141.98.234.31
Destination IP	152.89.198.214

pid	process
896	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.exe5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp

description	pid	process	target process
PID 460 wrote to memory of 896	460	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.exe	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp
PID 460 wrote to memory of 896	460	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.exe	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp
PID 460 wrote to memory of 896	460	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.exe	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp
PID 896 wrote to memory of 824	896	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp	orangestarsaudioconverter.exe
PID 896 wrote to memory of 824	896	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp	orangestarsaudioconverter.exe
PID 896 wrote to memory of 824	896	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp	orangestarsaudioconverter.exe
PID 896 wrote to memory of 3584	896	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp	orangestarsaudioconverter.exe
PID 896 wrote to memory of 3584	896	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp	orangestarsaudioconverter.exe
PID 896 wrote to memory of 3584	896	5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp	orangestarsaudioconverter.exe

C:\Users\Admin\AppData\Local\Temp\5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.exe
"C:\Users\Admin\AppData\Local\Temp\5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:460

C:\Users\Admin\AppData\Local\Temp\is-EMFRB.tmp\5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp
"C:\Users\Admin\AppData\Local\Temp\is-EMFRB.tmp\5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp" /SL5="$90066,4827479,54272,C:\Users\Admin\AppData\Local\Temp\5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:896

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe" -i
3⤵
- Executes dropped EXE
PID:824

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe" -s
3⤵
- Executes dropped EXE
PID:3584

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe
Filesize
2.4MB

MD5
9732bce0f4d1be56ff36ea0a0b54845b

SHA1
fd4487ebe4fce698dc58e8234da2dd12cc7e5040

SHA256
f27dd071e3046e2b8b55d8e85482ec7697d61bd8302605f689c8bec91643d73d

SHA512
cf93159fd8c06fd18065216805d6835fc5794f02ad5aeedfab8209055b54d3e82a32531e6b88a837fd34788fa792855a8e33d215a8c95751eff4ae63542eba83

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EMFRB.tmp\5d90ff67ef37065b88f741992af4701a848864775089c484be783b4988c3393c.tmp
Filesize
680KB

MD5
08c5308a61a367d176175cd169fd1e02

SHA1
153340b1321627103a2e7d6122b53c3fb527c384

SHA256
9e891b18b5afb4f683ca3bea2c2725a6d406aabfe5cf94d7f7b4b42183cf7f42

SHA512
63008dfe774eaa6b9eb94eb2db8e6b5f5e6827863a219b5127dcc0eeb4519c04f8c3f4e5f91912ad4822b448976a65403dae6273da8a72986f1ac76bd47eded1

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QHG6B.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/460-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/460-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/460-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/824-59-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/824-60-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/824-63-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/824-65-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/896-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/896-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3584-74-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-87-0x0000000002470000-0x0000000002512000-memory.dmp

Filesize
648KB

Download
memory/3584-68-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-77-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-80-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-83-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-88-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-71-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-94-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-97-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-100-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-103-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-106-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-109-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-112-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download
memory/3584-115-0x0000000000400000-0x000000000065D000-memory.dmp

Filesize
2.4MB

Download

Analysis

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