socks5systemz | 96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e

General

Target

96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe
Size

4.6MB
MD5

e203d364de06a9f9134a61afe63f263b
SHA1

1ba8eebba6aa9cd180458eefa20df22ead9fb107
SHA256

96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e
SHA512

73ec42105968cba1df99aa384811d19fc61eafce53e28ccd648cdb77d76dc6a7d30dcf947f80d37ba13326013be27cb222d587134e7d221c770d36dacb3cd0fe
SSDEEP

98304:m920ifWEVgUX9M70cfwKiJEeN2XN2WyV1za5/9XnJfGEWq3u:c2Je8NNbgwKQdXWszmAr

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bblqpne.com

http://bblqpne.com/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff717c0e6969e38

http://bblqpne.com/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12eab517aa5c96bd86ee97874a875a8bbc896c58e713bc90c91b36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9c3bc46c9215

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3904-86-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz
behavioral1/memory/3904-109-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz
behavioral1/memory/3904-110-0x00000000009A0000-0x0000000000A42000-memory.dmp	family_socks5systemz

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

Processes:

96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmpmediaplayerrptuning.exemediaplayerrptuning.exe

pid process

4952 96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp
1956 mediaplayerrptuning.exe
3904 mediaplayerrptuning.exe
Loads dropped DLL 1 IoCs

Processes:

96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp

pid process

4952 96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.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 141.98.234.31
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:

96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp

pid process

4952 96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp

pid	process
4952	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp
1956	mediaplayerrptuning.exe
3904	mediaplayerrptuning.exe

pid	process
4952	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
4952	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp

description	pid	process	target process
PID 4720 wrote to memory of 4952	4720	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp
PID 4720 wrote to memory of 4952	4720	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp
PID 4720 wrote to memory of 4952	4720	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp
PID 4952 wrote to memory of 1956	4952	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp	mediaplayerrptuning.exe
PID 4952 wrote to memory of 1956	4952	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp	mediaplayerrptuning.exe
PID 4952 wrote to memory of 1956	4952	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp	mediaplayerrptuning.exe
PID 4952 wrote to memory of 3904	4952	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp	mediaplayerrptuning.exe
PID 4952 wrote to memory of 3904	4952	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp	mediaplayerrptuning.exe
PID 4952 wrote to memory of 3904	4952	96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp	mediaplayerrptuning.exe

C:\Users\Admin\AppData\Local\Temp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe
"C:\Users\Admin\AppData\Local\Temp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4720

C:\Users\Admin\AppData\Local\Temp\is-C25PQ.tmp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-C25PQ.tmp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp" /SL5="$40208,4522609,54272,C:\Users\Admin\AppData\Local\Temp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4952

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -i
3⤵
- Executes dropped EXE
PID:1956

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -s
3⤵
- Executes dropped EXE
PID:3904

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\Media Player RPTuning\mediaplayerrptuning.exe

Filesize
2.5MB

MD5
f246a6df7e4fb6212e49340a6c6cb225

SHA1
6b8db5984e52be57a7128f8acc90cbc8e5f31411

SHA256
dd60315a770bd7d4136b8d3d7feb60381bf275960b6273f62b693ea5ed66eef0

SHA512
51cd78070205c4b37998578d3cd5c7fe7ffadadbb62757802ee603b6c286d7770fda1a30139ea62e13bea958d1a015c21130c21558d592582ac1398eb82fdacc

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-C25PQ.tmp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp

Filesize
680KB

MD5
39e1191b303bd79ba64ab21ceca630f0

SHA1
2df0c7a0160c0112bc04d2fe3accb360af33a208

SHA256
6245ecd6d0ec4c5ea091be6f734185f645886c1d8af5fe4b0c0df0661b4ce361

SHA512
6664eb5b77a29641454f3f76cc99c8484f91be29e92127fd37239ccb3bbaa27f6769d7f49301f925b699dd042d199974ed68968fba6c8bd18b0a23031ea08d8a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-NOTSO.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1956-61-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1956-63-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1956-65-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1956-59-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-74-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-86-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/3904-117-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-68-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-114-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-110-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/3904-71-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-109-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/3904-77-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-80-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-83-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-108-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-90-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-93-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-96-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-99-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-102-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3904-105-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4720-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4720-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4720-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4952-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4952-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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