socks5systemz | 90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86

General

Target

90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.exe
Size

4.5MB
MD5

67cb3cd9010afc253274a69c5235185f
SHA1

ba9851eee568c65464ce27d57cfb7b750a84696b
SHA256

90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86
SHA512

627485695618c729d08e5a5afb36797ab5786024e673a76e99b2ad2e18cca78c4eb138272cad811b82e32442d778aaaa6324e12fb421426d97b66dad42b6ad43
SSDEEP

98304:mVLUvqo2seSkdrObU97jAwVEOr4DUwJASExAtIK7:ggvqo2vSkpeUFAB6MUwJFdt

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ebelihr.ua

http://ebelihr.ua/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2eb97983c

http://ebelihr.ua/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12eab517aa5c96bd86e8908e45815a8bbc896c58e713bc90c91836b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9339c96d9411

twitter.com

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4100-84-0x00000000024B0000-0x0000000002552000-memory.dmp	family_socks5systemz
behavioral2/memory/4100-127-0x00000000024B0000-0x0000000002552000-memory.dmp	family_socks5systemz
behavioral2/memory/4100-126-0x00000000024B0000-0x0000000002552000-memory.dmp	family_socks5systemz

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

Processes:

90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmpmediaplayerrptuning32.exemediaplayerrptuning32.exe

pid process

3668 90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp
2724 mediaplayerrptuning32.exe
4100 mediaplayerrptuning32.exe
Loads dropped DLL 1 IoCs

Processes:

90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp

pid process

3668 90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.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:

90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp

pid process

3668 90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp

pid	process
3668	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp
2724	mediaplayerrptuning32.exe
4100	mediaplayerrptuning32.exe

pid	process
3668	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
3668	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.exe90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp

description	pid	process	target process
PID 164 wrote to memory of 3668	164	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.exe	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp
PID 164 wrote to memory of 3668	164	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.exe	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp
PID 164 wrote to memory of 3668	164	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.exe	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp
PID 3668 wrote to memory of 2724	3668	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp	mediaplayerrptuning32.exe
PID 3668 wrote to memory of 2724	3668	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp	mediaplayerrptuning32.exe
PID 3668 wrote to memory of 2724	3668	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp	mediaplayerrptuning32.exe
PID 3668 wrote to memory of 4100	3668	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp	mediaplayerrptuning32.exe
PID 3668 wrote to memory of 4100	3668	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp	mediaplayerrptuning32.exe
PID 3668 wrote to memory of 4100	3668	90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp	mediaplayerrptuning32.exe

C:\Users\Admin\AppData\Local\Temp\90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.exe
"C:\Users\Admin\AppData\Local\Temp\90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:164

C:\Users\Admin\AppData\Local\Temp\is-H1746.tmp\90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp
"C:\Users\Admin\AppData\Local\Temp\is-H1746.tmp\90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp" /SL5="$5020A,4452088,54272,C:\Users\Admin\AppData\Local\Temp\90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3668

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe" -i
3⤵
- Executes dropped EXE
PID:2724

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe" -s
3⤵
- Executes dropped EXE
PID:4100

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\mediaplayerrptuning32.exe

Filesize
2.3MB

MD5
f2d7c11761a1637abfcbdfce14f8173c

SHA1
3747abd3a43d8c608891ded7ca4b283a8a12dc58

SHA256
7afb65c7aa4ea8acd41501fe3e421e6b6c9995b9d0ccbe3c2212fff618aaeda6

SHA512
51653b05d326b6b40fcc336b8d2cf8274698c3657838dd34483bd0f5cb0d9b2c97ad8a3161e5f38783bc1e484a628943ba100010e2687954858e11279b2507f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H1746.tmp\90a8eaf0945334d3a849d39650a702cf61ed8f1a64f551daea96c20c8d41ae86.tmp

Filesize
680KB

MD5
0974ba095ce319c21275c60758122947

SHA1
a459f36fc33297d242af213eda9d326967c9bcd5

SHA256
b1d3bfec6e0fd3effd9f9c661082d9b8bd8b01cc7168b0ec73d2e1df195362a6

SHA512
01bdc7b62f999a2a099277a6caee7e721bb1cb3e9639e955edf412e206ea6de4d7b68cb60c31644869a09c9e28ee02b4b327bf2e3e338dbbe8a2b3537055c7ec

Download Submit
\Users\Admin\AppData\Local\Temp\is-SS7F6.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/164-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/164-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/164-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2724-59-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2724-61-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/2724-63-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/3668-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3668-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4100-81-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-100-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-72-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-75-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-78-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-65-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-84-0x00000000024B0000-0x0000000002552000-memory.dmp

Filesize
648KB

Download
memory/4100-86-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-91-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-94-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-97-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-69-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-103-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-106-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-110-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-113-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-116-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-119-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-122-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-125-0x0000000000400000-0x0000000000655000-memory.dmp

Filesize
2.3MB

Download
memory/4100-127-0x00000000024B0000-0x0000000002552000-memory.dmp

Filesize
648KB

Download
memory/4100-126-0x00000000024B0000-0x0000000002552000-memory.dmp

Filesize
648KB

Download

Analysis

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