socks5systemz | f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04

General

Target

f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe
Size

4.6MB
MD5

3f40482a2a2f9b6dd77c4baecc1cc369
SHA1

d1424369dc512aafa415245c51888e9539fe5f1e
SHA256

f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04
SHA512

4b0f3cb74af497db1f89a22cfad2b30ec2e88e6e00a6b2cb65a9810ba8f9a1c3715106476b50f15494838366fd9eab4eed8ecec5355f55b9a948d91f8749d3a8
SSDEEP

98304:mPCDSbZ6hXAm/FqLwybw9dCPnln+rdiUq7rqxBG6h5pPvfP:k81Fq0yUyfgftxBthTPvfP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ddmximh.info

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4868-84-0x0000000002480000-0x0000000002522000-memory.dmp	family_socks5systemz

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

Processes:

f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmpfanplayercloudfree32.exefanplayercloudfree32.exe

pid process

2552 f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
2272 fanplayercloudfree32.exe
4868 fanplayercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

pid process

2552 f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
Unexpected DNS network traffic destination 3 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
Destination IP 91.211.247.248
Destination IP 152.89.198.214
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:

f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

pid process

2552 f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

pid	process
2552	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
2272	fanplayercloudfree32.exe
4868	fanplayercloudfree32.exe

pid	process
2552	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

description	ioc
Destination IP	45.155.250.90
Destination IP	91.211.247.248
Destination IP	152.89.198.214

pid	process
2552	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exef292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

description	pid	process	target process
PID 3016 wrote to memory of 2552	3016	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
PID 3016 wrote to memory of 2552	3016	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
PID 3016 wrote to memory of 2552	3016	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
PID 2552 wrote to memory of 2272	2552	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe
PID 2552 wrote to memory of 2272	2552	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe
PID 2552 wrote to memory of 2272	2552	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe
PID 2552 wrote to memory of 4868	2552	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe
PID 2552 wrote to memory of 4868	2552	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe
PID 2552 wrote to memory of 4868	2552	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe
"C:\Users\Admin\AppData\Local\Temp\f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3016

C:\Users\Admin\AppData\Local\Temp\is-VOD11.tmp\f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
"C:\Users\Admin\AppData\Local\Temp\is-VOD11.tmp\f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp" /SL5="$40234,4618207,54272,C:\Users\Admin\AppData\Local\Temp\f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2552

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe" -i
3⤵
- Executes dropped EXE
PID:2272

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe" -s
3⤵
- Executes dropped EXE
PID:4868

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\fanplayercloudfree32.exe
Filesize
2.5MB

MD5
deba68b4be3244bb511261cf20fda6de

SHA1
e204e664da7b90783d9f4dbe297bfc87aab8f0f5

SHA256
bd7b33661f98dd3fc462add83c0b0700712a7f4e3bbcdd49599780729ed0d84a

SHA512
ddb9db64095277bceeb00b012d84d6eff24bb6bfbc9970c8886e3f907fcf7b402826d42460158191d0f17fd4963f77b815a7d67931a00009235c421af5afcf36

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-S4KO5.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VOD11.tmp\f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
Filesize
680KB

MD5
18d21bb7e8480255c7d24705a9a8c78e

SHA1
d1342b489f1b4921d0c8b100261e819db24f2981

SHA256
715669c614242a778a97873ed475b333700d2d4cb0277286f38fa6a2a551ef91

SHA512
d4eef761e23035f35c5bdcced816d678f009c2115f9a0cc2436395fdb07ecf84304c3341d2fcb0d299b881449f46c9b499c3903fb427a8f2bf3abb3840ee3cb3

Download Submit
memory/2272-59-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/2272-61-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/2272-62-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/2272-64-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/2552-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2552-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3016-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3016-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3016-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4868-73-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-94-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-67-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-74-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-77-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-80-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-83-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-84-0x0000000002480000-0x0000000002522000-memory.dmp

Filesize
648KB

Download
memory/4868-89-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-70-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-97-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-100-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-103-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-106-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-109-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-112-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4868-115-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download

Analysis

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