socks5systemz | 18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b

General

Target

18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.exe
Size

4.8MB
MD5

3a269923aa05806463cb834f66619d82
SHA1

81f50c0aab019ed76e8286c5b5cdd2300d1e21cc
SHA256

18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b
SHA512

51a16cd03b4bfbc53e3744e12eaea8ab5e5eb89f2a3ed568a9dbb269ebceceacdc1daa3a57a5ee3b7dadc8fd17131f1456aa51046149e35b32f36a58906dfedc
SSDEEP

98304:mN50b/O6ekwaKPszZIOnfwFdnUs9nGsPWPhPruZhWbMuLKjrFmT6j3BhfOI:Py61wartIOnYPUs9GsPvOOBj3nfr

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bbgogno.com

http://bbgogno.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff719c8ef93923a

http://bbgogno.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12eab517aa5c96bd86ee92864b895a8bbc896c58e713bc90c91f36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9233cd699e17

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4348-86-0x0000000002800000-0x00000000028A2000-memory.dmp	family_socks5systemz
behavioral1/memory/4348-110-0x0000000002800000-0x00000000028A2000-memory.dmp	family_socks5systemz
behavioral1/memory/4348-111-0x0000000002800000-0x00000000028A2000-memory.dmp	family_socks5systemz

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

Processes:

18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmpstarsaudioconverter.exestarsaudioconverter.exe

pid process

1944 18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp
2088 starsaudioconverter.exe
4348 starsaudioconverter.exe
Loads dropped DLL 1 IoCs

Processes:

18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp

pid process

1944 18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.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:

18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp

pid process

1944 18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp

pid	process
1944	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp
2088	starsaudioconverter.exe
4348	starsaudioconverter.exe

pid	process
1944	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
1944	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.exe18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp

description	pid	process	target process
PID 4536 wrote to memory of 1944	4536	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.exe	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp
PID 4536 wrote to memory of 1944	4536	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.exe	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp
PID 4536 wrote to memory of 1944	4536	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.exe	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp
PID 1944 wrote to memory of 2088	1944	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp	starsaudioconverter.exe
PID 1944 wrote to memory of 2088	1944	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp	starsaudioconverter.exe
PID 1944 wrote to memory of 2088	1944	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp	starsaudioconverter.exe
PID 1944 wrote to memory of 4348	1944	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp	starsaudioconverter.exe
PID 1944 wrote to memory of 4348	1944	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp	starsaudioconverter.exe
PID 1944 wrote to memory of 4348	1944	18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp	starsaudioconverter.exe

C:\Users\Admin\AppData\Local\Temp\18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.exe
"C:\Users\Admin\AppData\Local\Temp\18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4536

C:\Users\Admin\AppData\Local\Temp\is-PM0CA.tmp\18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-PM0CA.tmp\18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp" /SL5="$E01C2,4801957,54272,C:\Users\Admin\AppData\Local\Temp\18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1944

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe" -i
3⤵
- Executes dropped EXE
PID:2088

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe" -s
3⤵
- Executes dropped EXE
PID:4348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe
Filesize
2.3MB

MD5
9f99ee968a0442d25c93013edbe57c04

SHA1
69ea7e408affd4ccf7dfa1225aec703003f0654e

SHA256
6c074a0c1ebb147e72e8b57291fae1c23f1239306b6370a022e4eace78beba07

SHA512
5e16b5b376458917ca8ade216cf87e682b9b1a40d19dfd0015d848a49b160929854b651401e2afc163dac0242c727b7675a8a37ddd95dd499c6515c5c32fc5ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F9QPO.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PM0CA.tmp\18e7739bb4008223f61fd1920ab38553ac7de05d66daea77ba2c67f9223f674b.tmp
Filesize
680KB

MD5
7b17001e9962a8c05608c4f1daf9ef32

SHA1
4e6761d6376029f4693d97ae693bdbdace2bbc92

SHA256
66588c4f0da8cd01e0b13b2f70f30e4f540d8ac299a3e4a218070c3097a8f262

SHA512
e973b087584bb1b8b2279a337e46f72b438018df405f5664cc5a8a427e25c3b1b163a3d6c685428846a38a6d5ee03bf1647d17478c62f5d8e45084acdbb73eca

Download Submit
memory/1944-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1944-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2088-60-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/2088-59-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/2088-63-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/2088-65-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-74-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-94-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-118-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-115-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-71-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-111-0x0000000002800000-0x00000000028A2000-memory.dmp

Filesize
648KB

Download
memory/4348-77-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-80-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-83-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-86-0x0000000002800000-0x00000000028A2000-memory.dmp

Filesize
648KB

Download
memory/4348-88-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-68-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-97-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-100-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-103-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-106-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-109-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/4348-110-0x0000000002800000-0x00000000028A2000-memory.dmp

Filesize
648KB

Download
memory/4536-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4536-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4536-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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