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

aaxkjrb.ru

http://aaxkjrb.ru/search/?q=67e28dd83f5aa4794209ff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c2ec979c3f

http://aaxkjrb.ru/search/?q=67e28dd83f5aa4794209ff1c7c27d78406abdd88be4b12eab517aa5c96bd86ef9c804c895a8bbc896c58e713bc90c91d36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d39ce6d9012

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4132-85-0x0000000000910000-0x00000000009B2000-memory.dmp	family_socks5systemz
behavioral1/memory/4132-108-0x0000000000910000-0x00000000009B2000-memory.dmp	family_socks5systemz
behavioral1/memory/4132-109-0x0000000000910000-0x00000000009B2000-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

2544 f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
4508 fanplayercloudfree32.exe
4132 fanplayercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

pid process

2544 f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.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:

f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

pid process

2544 f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

pid	process
2544	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
4508	fanplayercloudfree32.exe
4132	fanplayercloudfree32.exe

pid	process
2544	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
2544	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exef292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp

description	pid	process	target process
PID 1324 wrote to memory of 2544	1324	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
PID 1324 wrote to memory of 2544	1324	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
PID 1324 wrote to memory of 2544	1324	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
PID 2544 wrote to memory of 4508	2544	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe
PID 2544 wrote to memory of 4508	2544	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe
PID 2544 wrote to memory of 4508	2544	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe
PID 2544 wrote to memory of 4132	2544	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe
PID 2544 wrote to memory of 4132	2544	f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp	fanplayercloudfree32.exe
PID 2544 wrote to memory of 4132	2544	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:1324

C:\Users\Admin\AppData\Local\Temp\is-BF540.tmp\f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
"C:\Users\Admin\AppData\Local\Temp\is-BF540.tmp\f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp" /SL5="$100032,4618207,54272,C:\Users\Admin\AppData\Local\Temp\f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2544

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:4508

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:4132

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-9CI3H.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BF540.tmp\f292b688488e604099d15760a3806aa7adb78eb990a7222ec9e37487bef22f04.tmp
Filesize
680KB

MD5
18d21bb7e8480255c7d24705a9a8c78e

SHA1
d1342b489f1b4921d0c8b100261e819db24f2981

SHA256
715669c614242a778a97873ed475b333700d2d4cb0277286f38fa6a2a551ef91

SHA512
d4eef761e23035f35c5bdcced816d678f009c2115f9a0cc2436395fdb07ecf84304c3341d2fcb0d299b881449f46c9b499c3903fb427a8f2bf3abb3840ee3cb3

Download Submit
memory/1324-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1324-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1324-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2544-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2544-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4132-98-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-92-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-116-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-113-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-70-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-73-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-76-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-79-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-82-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-85-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/4132-89-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-109-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/4132-95-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-108-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/4132-101-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-104-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4132-107-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4508-59-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4508-65-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4508-61-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download
memory/4508-62-0x0000000000400000-0x0000000000686000-memory.dmp

Filesize
2.5MB

Download

Analysis

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