socks5systemz | dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a

General

Target

dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.exe
Size

4.5MB
MD5

e8c1119867cb08dc5532cce43e4e5a27
SHA1

9e741007d25bc6ca50f1be5662bb3f581e6c4e1e
SHA256

dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a
SHA512

2d967a6d6baab76ad144bc8f26d75a2e015f6390300185d4a60449d0ec8efc7db15322f0260d2e9314e6dc99ec8205a97fa113826d57c8c474a28c6f9505e2d2
SSDEEP

98304:m5hx/KKVCaDUl/VDXBCJA6oqDYwURtXjzkDM5j8MrG9Po6eDHiX:shkKV7Yl/nCJADqDWDkDA8+GW6RX

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

beieums.com

http://beieums.com/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c3e6939838

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4520-84-0x0000000000870000-0x0000000000912000-memory.dmp	family_socks5systemz

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

Processes:

dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

4128 dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp
736 playercloudfree32.exe
4520 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp

pid process

4128 dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.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 45.155.250.90
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:

dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp

pid process

4128 dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp

pid	process
4128	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp
736	playercloudfree32.exe
4520	playercloudfree32.exe

pid	process
4128	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
4128	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.exedbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp

description	pid	process	target process
PID 2892 wrote to memory of 4128	2892	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.exe	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp
PID 2892 wrote to memory of 4128	2892	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.exe	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp
PID 2892 wrote to memory of 4128	2892	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.exe	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp
PID 4128 wrote to memory of 736	4128	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp	playercloudfree32.exe
PID 4128 wrote to memory of 736	4128	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp	playercloudfree32.exe
PID 4128 wrote to memory of 736	4128	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp	playercloudfree32.exe
PID 4128 wrote to memory of 4520	4128	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp	playercloudfree32.exe
PID 4128 wrote to memory of 4520	4128	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp	playercloudfree32.exe
PID 4128 wrote to memory of 4520	4128	dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.exe
"C:\Users\Admin\AppData\Local\Temp\dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2892

C:\Users\Admin\AppData\Local\Temp\is-SFFK9.tmp\dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SFFK9.tmp\dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp" /SL5="$90048,4437341,54272,C:\Users\Admin\AppData\Local\Temp\dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4128

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:736

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:4520

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=4168,i,11069752405888604640,8928124405695604965,262144 --variations-seed-version --mojo-platform-channel-handle=2732 /prefetch:8
1⤵
PID:4476

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
Filesize
2.6MB

MD5
4265b49389a68ce716321494891c51c4

SHA1
e6d33df844b0a4019035d38b1651cac2f9f9cd44

SHA256
ab4eadce7ebf6005ea90e58b07eb9a4ccbda7873b8531f2613b566fdaf2f6e66

SHA512
c28c7f33b830ab73dc1908f281fbedd333f29a784b1e6ed2394750277e353cb58f05695f64a652202e69b66273a170a389e24db26efa3f1c842f4a206cbd495b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-P47RF.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SFFK9.tmp\dbe3ff006102c06366867815ed094d42f93fbcdcfcd174c3b1b67b0aad22c22a.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
memory/736-59-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/736-61-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/736-63-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2892-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2892-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2892-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4128-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4128-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4520-72-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-91-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-75-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-78-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-81-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-84-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/4520-86-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-69-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-94-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-97-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-100-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-103-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-106-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-110-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4520-113-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing