socks5systemz | 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0

General

Target

11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe
Size

4.4MB
MD5

c9525fcfa432b93b3d841dd0ee608b0f
SHA1

82e2130a0951b86f7eca6a36cf034e937b6c5228
SHA256

11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0
SHA512

dc158f824ea8d571c6dd4b8fce4379ad9f13ba1cd594c3097d67aab5ff9291c288977478d1cbe0d472b372424c96b4f0dee2e3ac8cd5ffe18ce6b45679911e88
SSDEEP

98304:mFznYhjQ08Cml9+ehnWwR8iDrQzHxufbpfZ2BvGWrP7kD:Yzj01mr+Y8ieefcBvGWrAD

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

cketsoc.net

http://cketsoc.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c6ed979c3b

http://cketsoc.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86e892874e845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e57d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d3dcf6d9016

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2484-84-0x00000000007C0000-0x0000000000862000-memory.dmp	family_socks5systemz
behavioral1/memory/2484-107-0x00000000007C0000-0x0000000000862000-memory.dmp	family_socks5systemz
behavioral1/memory/2484-108-0x00000000007C0000-0x0000000000862000-memory.dmp	family_socks5systemz

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

Processes:

11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

2868 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp
1496 playercloudfree32.exe
2484 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp

pid process

2868 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.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:

11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp

pid process

2868 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp

pid	process
2868	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp
1496	playercloudfree32.exe
2484	playercloudfree32.exe

pid	process
2868	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
2868	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp

description	pid	process	target process
PID 2028 wrote to memory of 2868	2028	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp
PID 2028 wrote to memory of 2868	2028	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp
PID 2028 wrote to memory of 2868	2028	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp
PID 2868 wrote to memory of 1496	2868	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp	playercloudfree32.exe
PID 2868 wrote to memory of 1496	2868	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp	playercloudfree32.exe
PID 2868 wrote to memory of 1496	2868	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp	playercloudfree32.exe
PID 2868 wrote to memory of 2484	2868	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp	playercloudfree32.exe
PID 2868 wrote to memory of 2484	2868	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp	playercloudfree32.exe
PID 2868 wrote to memory of 2484	2868	11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe
"C:\Users\Admin\AppData\Local\Temp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2028

C:\Users\Admin\AppData\Local\Temp\is-4INT6.tmp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp
"C:\Users\Admin\AppData\Local\Temp\is-4INT6.tmp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp" /SL5="$90030,4409179,54272,C:\Users\Admin\AppData\Local\Temp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2868

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -i
3⤵
- Executes dropped EXE
PID:1496

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -s
3⤵
- Executes dropped EXE
PID:2484

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 --field-trial-handle=4720,i,1236064252342462940,13180713657498721890,262144 --variations-seed-version --mojo-platform-channel-handle=4328 /prefetch:8
1⤵
PID:1240

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\FanPlayer Cloud Free\playercloudfree32.exe
Filesize
2.6MB

MD5
28990016061e9595531d5a17b70acd3c

SHA1
30f547bc92ec8e2ea04a206b4a66eea8b325d58b

SHA256
ddea2c5b51e9915ea53a2e4c5e2b2e195369cdf2472e99947d9d8c57c585d072

SHA512
d07dca9beb816c912897b202307349bcc9b4ed452f6aa4d32b78132675806eecc3bf9830e00759ed08180c62a29e274e1caef4d2c9a39c6ca5506a8117b7acdd

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4INT6.tmp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H9K8D.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1496-59-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1496-61-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1496-62-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1496-64-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2028-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2028-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2028-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2484-75-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-91-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-69-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-72-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-115-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-78-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-81-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-84-0x00000000007C0000-0x0000000000862000-memory.dmp

Filesize
648KB

Download
memory/2484-88-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-112-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-94-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-97-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-100-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-103-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-106-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2484-107-0x00000000007C0000-0x0000000000862000-memory.dmp

Filesize
648KB

Download
memory/2484-108-0x00000000007C0000-0x0000000000862000-memory.dmp

Filesize
648KB

Download
memory/2868-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2868-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

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