socks5systemz | 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3

General

Target

9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe
Size

4.7MB
MD5

b6325df74af5f5e5e7b4838ce53609c1
SHA1

a79fffa55e75d88d4cd139586c5b400fbdbc8f1f
SHA256

9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3
SHA512

3bd3ed1abd651e8552b8d3fb3b678e6c4b66564540896ae3fc54552a798e60b57e53aa3b9471ec8567bfce5cfb69c8ce7ec02533a978b5861b1fb272435e5156
SSDEEP

98304:mWjP0WOtMB+OZ+DFcml0hjDUDhRX2zbfrYabJ:LRIMYOZ2FcZqNmbs0

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dlmnorq.info

http://dlmnorq.info/search/?q=67e28dd8655df07d165afd1f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff714c9e6979d3c

http://dlmnorq.info/search/?q=67e28dd8655df07d165afd1f7c27d78406abdd88be4b12eab517aa5c96bd86ef92824c855a8bbc896c58e713bc90c91936b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9f32c46d9111

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2260-87-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz
behavioral2/memory/2260-112-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz
behavioral2/memory/2260-111-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz

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

Processes:

9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmpmediaplayerrptuning.exemediaplayerrptuning.exe

pid process

5080 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp
3616 mediaplayerrptuning.exe
2260 mediaplayerrptuning.exe
Loads dropped DLL 1 IoCs

Processes:

9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp

pid process

5080 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.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:

9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp

pid process

5080 9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp

pid	process
5080	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp
3616	mediaplayerrptuning.exe
2260	mediaplayerrptuning.exe

pid	process
5080	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
5080	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp

description	pid	process	target process
PID 1440 wrote to memory of 5080	1440	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp
PID 1440 wrote to memory of 5080	1440	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp
PID 1440 wrote to memory of 5080	1440	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp
PID 5080 wrote to memory of 3616	5080	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp	mediaplayerrptuning.exe
PID 5080 wrote to memory of 3616	5080	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp	mediaplayerrptuning.exe
PID 5080 wrote to memory of 3616	5080	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp	mediaplayerrptuning.exe
PID 5080 wrote to memory of 2260	5080	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp	mediaplayerrptuning.exe
PID 5080 wrote to memory of 2260	5080	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp	mediaplayerrptuning.exe
PID 5080 wrote to memory of 2260	5080	9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp	mediaplayerrptuning.exe

C:\Users\Admin\AppData\Local\Temp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe
"C:\Users\Admin\AppData\Local\Temp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1440

C:\Users\Admin\AppData\Local\Temp\is-Q6M5A.tmp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp
"C:\Users\Admin\AppData\Local\Temp\is-Q6M5A.tmp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp" /SL5="$40204,4673255,54272,C:\Users\Admin\AppData\Local\Temp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5080

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:3616

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:2260

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
Filesize
2.7MB

MD5
61c1f991cb2ede4331845096ab647d7d

SHA1
c6ddf2a55cb17a4058eb2e6df01588da9a96e438

SHA256
4647112b7dcb85584fdb64f23392101a1e68bbcdc85a00120addf45cda9cf905

SHA512
2e258f29da5a1c04a6d31e8a1a0130b400d62ec21f754150c90e05806896650fad04f79a08f0eb8aeaa36a10a9737243d9866e6c3a2eb20b08dd607863c38345

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3T5NP.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q6M5A.tmp\9d2b4106bb781cc6c52f2eb60fab8e5f00812d70159ab55e95c529ff81e388a3.tmp
Filesize
680KB

MD5
2883ddf6925173ecfb8e9a320997b71f

SHA1
5fabceccfcb78c09cd291f7727788b68fe4fd745

SHA256
e331e923521bb37183ec3df450330a19a138ac693fdb00ef7d6a4bfdd42c4f8d

SHA512
e8fb787977a66c5580e7dc85e1711a152bcd66fa05cfc79be4cf85eda097414bcd82945684b5f9c9126a3abcff111bf58f271bf0189ea6bc632d3126528925ba

Download Submit
memory/1440-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1440-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1440-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2260-101-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-104-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-119-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-116-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-66-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-68-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-111-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/2260-112-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/2260-71-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-74-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-75-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-78-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-81-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-84-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-87-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/2260-89-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-95-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-98-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-110-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/2260-107-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/3616-61-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/3616-60-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/3616-64-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/3616-63-0x0000000000400000-0x00000000006B4000-memory.dmp

Filesize
2.7MB

Download
memory/5080-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5080-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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