socks5systemz | 877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd

General

Target

877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.exe
Size

4.6MB
MD5

3534bf389dace25abc72c44b48eae44b
SHA1

8b6327d946737cb87b58a2e97d9f4e2e62046a61
SHA256

877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd
SHA512

7a33f2a823836b8bd5fb85f5911a066399a810718ce90dc2157f0acfbc16ca98e87828cee8ed1312cad0cddf9fe30c43c4bac199cd3fc7ac0dd3aefa55b25b46
SSDEEP

98304:m8BZHpr6fOfPhbRqyEI5tceRSqsOrNbPjcK5fXhQsSHemalD3V:FBvr6fOfPH75oASUND4K5fXhM+j

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dibybwe.info

http://dibybwe.info/search/?q=67e28dd8690ba728400aae4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c2ee919339

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1888-84-0x00000000008A0000-0x0000000000942000-memory.dmp	family_socks5systemz

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

Processes:

877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmplinuxmultiMediastudio.exelinuxmultiMediastudio.exe

pid process

2352 877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp
4404 linuxmultiMediastudio.exe
1888 linuxmultiMediastudio.exe
Loads dropped DLL 1 IoCs

Processes:

877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp

pid process

2352 877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.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:

877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp

pid process

2352 877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp

pid	process
2352	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp
4404	linuxmultiMediastudio.exe
1888	linuxmultiMediastudio.exe

pid	process
2352	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
2352	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.exe877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp

description	pid	process	target process
PID 3244 wrote to memory of 2352	3244	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.exe	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp
PID 3244 wrote to memory of 2352	3244	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.exe	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp
PID 3244 wrote to memory of 2352	3244	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.exe	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp
PID 2352 wrote to memory of 4404	2352	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp	linuxmultiMediastudio.exe
PID 2352 wrote to memory of 4404	2352	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp	linuxmultiMediastudio.exe
PID 2352 wrote to memory of 4404	2352	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp	linuxmultiMediastudio.exe
PID 2352 wrote to memory of 1888	2352	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp	linuxmultiMediastudio.exe
PID 2352 wrote to memory of 1888	2352	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp	linuxmultiMediastudio.exe
PID 2352 wrote to memory of 1888	2352	877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp	linuxmultiMediastudio.exe

C:\Users\Admin\AppData\Local\Temp\877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.exe
"C:\Users\Admin\AppData\Local\Temp\877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3244

C:\Users\Admin\AppData\Local\Temp\is-4EV6U.tmp\877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp
"C:\Users\Admin\AppData\Local\Temp\is-4EV6U.tmp\877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp" /SL5="$600DC,4582082,54272,C:\Users\Admin\AppData\Local\Temp\877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2352

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i
3⤵
- Executes dropped EXE
PID:4404

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s
3⤵
- Executes dropped EXE
PID:1888

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\Linux MultiMedia Studio\linuxmultiMediastudio.exe
Filesize
2.9MB

MD5
a20debb99b5f278f1bc0031740f0b8a0

SHA1
69f13ffe9b4d45f45148f2d9fb31f5d7fe4c97bb

SHA256
6bf6ab0d81bae16bf37c2eb453a1e905365e817883ef9016b8a5b2cafb387bed

SHA512
6bcece99150ed7018233d5b972bd3d92947886a07c63af4089c91ee22b246a7c272907425e7e329a95a23592afb860c8c30522ebf3b103a3c5e713dc441bb039

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4EV6U.tmp\877cddd520d24925989ef7995d98a55b0697b6e7a77c55b97f51beed699976fd.tmp
Filesize
680KB

MD5
2181b997c1c7c4258f8061389766b42a

SHA1
1ffb522e8e9414018835c7049d78a250db5caa3c

SHA256
8300af7e7e4c4e3771c161f2a609e8d0a4ae0de3e49fd398a24a1decdf6b4941

SHA512
5bc3600307031e2acee1c18dcf1c4f2d76d406a2da0e12524722f136f9afc029e9a082fce08dddf63c96de20a907e18ea022fb5855804b767c190293724ff23b

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1888-100-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-103-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-130-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-125-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-122-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-119-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-116-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-113-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-69-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-72-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-75-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-78-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-81-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-84-0x00000000008A0000-0x0000000000942000-memory.dmp

Filesize
648KB

Download
memory/1888-86-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-91-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-94-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-97-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-110-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/1888-106-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/2352-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2352-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3244-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3244-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3244-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4404-64-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/4404-60-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download
memory/4404-59-0x0000000000400000-0x00000000006EA000-memory.dmp

Filesize
2.9MB

Download

Analysis

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