socks5systemz | 8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d

General

Target

8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.exe
Size

4.9MB
MD5

0f05aec0b71fe5af94e716a168b936b5
SHA1

e1f00aaf1dc8ea7c50243aee2c7e41fb0d31180a
SHA256

8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d
SHA512

9cd2bc9bed15de9b952e90b0746b8dc73ccb03b9689c55d4a54cac46423b443348eb4cacff362099cd6d8c20f1d213a96bd42163541c85cf009116c49399bc17
SSDEEP

98304:mrqpaDd+PinS9UHTLYlGSU1mwXeYEiFFZhZBkz:XSNS9UHHYlum3YtFF9Bkz

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bfugxsf.com

http://bfugxsf.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff719c6ea94983c

http://bfugxsf.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12eab517aa5c96bd86ef91804d825a8bbc896c58e713bc90c91b36b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d923dc86e9411

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4624-85-0x0000000002880000-0x0000000002922000-memory.dmp	family_socks5systemz
behavioral1/memory/4624-109-0x0000000002880000-0x0000000002922000-memory.dmp	family_socks5systemz
behavioral1/memory/4624-110-0x0000000002880000-0x0000000002922000-memory.dmp	family_socks5systemz

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

Processes:

8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmporangestarsaudioconverter.exeorangestarsaudioconverter.exe

pid process

4972 8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp
1500 orangestarsaudioconverter.exe
4624 orangestarsaudioconverter.exe
Loads dropped DLL 1 IoCs

Processes:

8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp

pid process

4972 8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.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:

8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp

pid process

4972 8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp

pid	process
4972	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp
1500	orangestarsaudioconverter.exe
4624	orangestarsaudioconverter.exe

pid	process
4972	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
4972	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.exe8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp

description	pid	process	target process
PID 4628 wrote to memory of 4972	4628	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.exe	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp
PID 4628 wrote to memory of 4972	4628	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.exe	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp
PID 4628 wrote to memory of 4972	4628	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.exe	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp
PID 4972 wrote to memory of 1500	4972	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp	orangestarsaudioconverter.exe
PID 4972 wrote to memory of 1500	4972	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp	orangestarsaudioconverter.exe
PID 4972 wrote to memory of 1500	4972	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp	orangestarsaudioconverter.exe
PID 4972 wrote to memory of 4624	4972	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp	orangestarsaudioconverter.exe
PID 4972 wrote to memory of 4624	4972	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp	orangestarsaudioconverter.exe
PID 4972 wrote to memory of 4624	4972	8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp	orangestarsaudioconverter.exe

C:\Users\Admin\AppData\Local\Temp\8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.exe
"C:\Users\Admin\AppData\Local\Temp\8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4628

C:\Users\Admin\AppData\Local\Temp\is-C4SEN.tmp\8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-C4SEN.tmp\8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp" /SL5="$F014E,4841613,54272,C:\Users\Admin\AppData\Local\Temp\8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4972

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:1500

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:4624

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3236,i,16488180140590516186,11762960689811837350,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:8
1⤵
PID:2424

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
abf6f32b749e504bc990843f588c2979

SHA1
c59ca181cb32f95dd7bdb8ca796fe0510e270f5b

SHA256
ab30b15b418702d9b9cb1919a57fc69b865fcde809ac78f1528e9994baf139d8

SHA512
add5c5ab427c26f5f56c87c9ceae98b35d655bbbb92e6d490c2f70344225811fa21fea0703656d4e345583aa173a06cd9a892ba2858a964531e43cd37214bd28

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8TSTU.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-C4SEN.tmp\8f15a74d7a1f5aaf404711e6b10ab08a43d5d766817833dc9a62651b287b0a0d.tmp
Filesize
680KB

MD5
08c5308a61a367d176175cd169fd1e02

SHA1
153340b1321627103a2e7d6122b53c3fb527c384

SHA256
9e891b18b5afb4f683ca3bea2c2725a6d406aabfe5cf94d7f7b4b42183cf7f42

SHA512
63008dfe774eaa6b9eb94eb2db8e6b5f5e6827863a219b5127dcc0eeb4519c04f8c3f4e5f91912ad4822b448976a65403dae6273da8a72986f1ac76bd47eded1

Download Submit
memory/1500-60-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1500-63-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1500-64-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1500-59-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-73-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-85-0x0000000002880000-0x0000000002922000-memory.dmp

Filesize
648KB

Download
memory/4624-117-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-67-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-114-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-110-0x0000000002880000-0x0000000002922000-memory.dmp

Filesize
648KB

Download
memory/4624-70-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-109-0x0000000002880000-0x0000000002922000-memory.dmp

Filesize
648KB

Download
memory/4624-76-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-79-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-82-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-108-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-87-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-93-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-96-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-99-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-102-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4624-105-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4628-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4628-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4628-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4972-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4972-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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