socks5systemz | 29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193

General

Target

29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.exe
Size

5.0MB
MD5

b86fc853b8ab3682b78811fe61aaa594
SHA1

4fce0f0eb44dc218eadbb68ccc8d1bd98c00dfd5
SHA256

29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193
SHA512

e1bee00c51e2972340a79c63c61edc49a23f5bb123b47b437e13aac6de50ef4fac088571b0f625eb4671bdb5946139065a6f7b70e881234ef7f82014f5e12d55
SSDEEP

98304:mnrGYnCKL4yZINlowQE7DgO2L1x7d2YcwR2q2UKb3ONqnE6fnUoll:arGUEUINSwQokLh2Yj2WzwE6ll

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

errnpqq.ua

http://errnpqq.ua/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec979a3b

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1496-83-0x00000000009D0000-0x0000000000A72000-memory.dmp	family_socks5systemz

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

Processes:

29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmpstarsaudioconverter32.exestarsaudioconverter32.exe

pid process

4516 29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp
3196 starsaudioconverter32.exe
1496 starsaudioconverter32.exe
Loads dropped DLL 1 IoCs

Processes:

29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp

pid process

4516 29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.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 141.98.234.31
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:

29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp

pid process

4516 29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp

pid	process
4516	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp
3196	starsaudioconverter32.exe
1496	starsaudioconverter32.exe

pid	process
4516	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
4516	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.exe29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp

description	pid	process	target process
PID 204 wrote to memory of 4516	204	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.exe	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp
PID 204 wrote to memory of 4516	204	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.exe	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp
PID 204 wrote to memory of 4516	204	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.exe	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp
PID 4516 wrote to memory of 3196	4516	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp	starsaudioconverter32.exe
PID 4516 wrote to memory of 3196	4516	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp	starsaudioconverter32.exe
PID 4516 wrote to memory of 3196	4516	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp	starsaudioconverter32.exe
PID 4516 wrote to memory of 1496	4516	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp	starsaudioconverter32.exe
PID 4516 wrote to memory of 1496	4516	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp	starsaudioconverter32.exe
PID 4516 wrote to memory of 1496	4516	29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp	starsaudioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.exe
"C:\Users\Admin\AppData\Local\Temp\29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:204

C:\Users\Admin\AppData\Local\Temp\is-BMUOO.tmp\29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp
"C:\Users\Admin\AppData\Local\Temp\is-BMUOO.tmp\29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp" /SL5="$502FC,5003080,54272,C:\Users\Admin\AppData\Local\Temp\29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4516

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe" -i
3⤵
- Executes dropped EXE
PID:3196

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter32.exe" -s
3⤵
- Executes dropped EXE
PID:1496

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\starsaudioconverter32.exe
Filesize
2.5MB

MD5
373be3acc5b919e890b8a4bcaf89093c

SHA1
8f89d411a77ed898d6bef3d41bf79b46888ccdd9

SHA256
3f6f1740c22e0c04308a65c4c60ea065b1e907f5e777f3baa32949bd2c4fc91e

SHA512
78cb0e417209826758c559167a991c804a01fc740cfdfe5308f1575f9277b4eed02075018803849befa1a0d12ae722ad8ef244140e26a1a1d7c78bdbd8819ed2

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BMUOO.tmp\29faa8dd9080b5a26a856d6738eec59cf936249e0a2c53c00af753c28f886193.tmp
Filesize
680KB

MD5
e805fd8d14185debe4999b420e788690

SHA1
014b87617a2f2c62530ec2da91a5be0d8078c098

SHA256
720ee272d4e0d2c13caaa0051d875437161f82df74152144276e87f694712a3c

SHA512
33b68c21ef3f6ea17736ff45881019e363abc2df83ae4c1399bb3b3466199b06731bdd45c0852cad33408b54371cb9a9a574ec3445dd5030f6e56306f1e81dbf

Download Submit
\Users\Admin\AppData\Local\Temp\is-MM33I.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/204-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/204-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/204-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1496-99-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-93-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-129-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-124-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-121-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-68-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-71-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-74-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-77-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-80-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-83-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/1496-85-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-90-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-118-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-96-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-115-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-102-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-105-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-109-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/1496-112-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/3196-60-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/3196-59-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/3196-63-0x0000000000400000-0x0000000000684000-memory.dmp

Filesize
2.5MB

Download
memory/4516-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4516-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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