socks5systemz | 13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee

General

Target

13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.exe
Size

4.9MB
MD5

7a8788d180155eef6504942ec057006f
SHA1

6dd1db66d854822e96add15b15aef22b8485577f
SHA256

13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee
SHA512

c38754db54fef35e2f6683a80a0e8a264cb248f60c3f34209f8378093373004184b1d0812c6cb79ba4e177d61369c3678b774898d535263be74c443d5b494492
SSDEEP

98304:mHWX857xIQkUDVLkNvpYPJ/HCNw5Vp9BiKET9939Fm/:MDFtDVw89HWwrBiKEJhjm/

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ddfixxh.info

http://ddfixxh.info/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ed9c9c3b

http://ddfixxh.info/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12eab517aa5c96bd86ef94874e815a8bbc896c58e713bc90c91936b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9339cf669016

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2216-81-0x0000000000950000-0x00000000009F2000-memory.dmp	family_socks5systemz

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

Processes:

13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmporangestarsaudioconverter.exeorangestarsaudioconverter.exe

pid process

756 13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp
4728 orangestarsaudioconverter.exe
2216 orangestarsaudioconverter.exe
Loads dropped DLL 1 IoCs

Processes:

13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp

pid process

756 13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.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:

13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp

pid process

756 13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp

pid	process
756	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp
4728	orangestarsaudioconverter.exe
2216	orangestarsaudioconverter.exe

pid	process
756	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
756	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.exe13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp

description	pid	process	target process
PID 4208 wrote to memory of 756	4208	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.exe	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp
PID 4208 wrote to memory of 756	4208	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.exe	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp
PID 4208 wrote to memory of 756	4208	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.exe	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp
PID 756 wrote to memory of 4728	756	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp	orangestarsaudioconverter.exe
PID 756 wrote to memory of 4728	756	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp	orangestarsaudioconverter.exe
PID 756 wrote to memory of 4728	756	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp	orangestarsaudioconverter.exe
PID 756 wrote to memory of 2216	756	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp	orangestarsaudioconverter.exe
PID 756 wrote to memory of 2216	756	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp	orangestarsaudioconverter.exe
PID 756 wrote to memory of 2216	756	13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp	orangestarsaudioconverter.exe

C:\Users\Admin\AppData\Local\Temp\13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.exe
"C:\Users\Admin\AppData\Local\Temp\13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4208

C:\Users\Admin\AppData\Local\Temp\is-FPJMF.tmp\13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp
"C:\Users\Admin\AppData\Local\Temp\is-FPJMF.tmp\13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp" /SL5="$4023E,4847305,54272,C:\Users\Admin\AppData\Local\Temp\13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:756

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:4728

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:2216

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
ca3294d3fb5333308aba0b3a93d76ef3

SHA1
4f2b9649d9439bfa4900f699232a2ac132b2c835

SHA256
4099143ccc4053d6567df6107577c5d31473e6bb8a8a173eef45b89219c03566

SHA512
9a344b3962febf2321828361b17227dbb80abba300bb2720e088d7e1c7e9cc8fd4656e847d1d3d7bdf7e07e379b30476bf0a09b1adfb6e5d9363d8155b3d6c6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FPJMF.tmp\13422dba2197f01cbcd771033f0f5424ce97f5e4fd84010e1220f7e2364cc3ee.tmp
Filesize
680KB

MD5
5685749dcd78ffe3259cfc47e55c9694

SHA1
d4df6660c45413397ad60e2f8928e7a3957040c8

SHA256
1443f4e433566eadc640ba5fcd5a7ae04c3a05dc84b9d4d10c222353402a35fd

SHA512
703a6d2cf737b9a94d6877a2a4d3e32888151e8cee4031485fe0e262c3d39bcc2645c5ee7924a9e5e183ed64e19fdea8983ea064eb268f0205612722e631fe7f

Download Submit
\Users\Admin\AppData\Local\Temp\is-TCC1T.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/756-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/756-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2216-99-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-90-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-129-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-124-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-121-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-118-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-68-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-71-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-74-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-77-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-80-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-81-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/2216-85-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-115-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-93-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-96-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-112-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-102-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-105-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/2216-109-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4208-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4208-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4208-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4728-59-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4728-63-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/4728-60-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download

Analysis

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