socks5systemz | 8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172

General

Target

8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe
Size

4.5MB
MD5

bdf942b5db3400fcd080e65c010da2eb
SHA1

4602389c8ce2946d4995d3f8870487d36273017b
SHA256

8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172
SHA512

d521f0dc0a7631f8631d34b7a66390897a3dfe0e6a5217d7a75fc3b7515131b215b495fc90b2585ba92a6b7051a473a0e1f135bf73191cf7ffd4dcb4ab28c0c0
SSDEEP

98304:mn9nw0s0pmpQNds2Ra/u6ZWR/8pXDLJEd2UW18dh27fB65:Yw0spO6X26ZA8pXDGk18d/5

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ezogqul.ua

http://ezogqul.ua/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff711c0eb929d39

http://ezogqul.ua/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12eab517aa5c96bd86e994824f825a8bbc896c58e713bc90c91836b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9a3bc9689114

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/5076-83-0x00000000007E0000-0x0000000000882000-memory.dmp	family_socks5systemz
behavioral2/memory/5076-107-0x00000000007E0000-0x0000000000882000-memory.dmp	family_socks5systemz
behavioral2/memory/5076-106-0x00000000007E0000-0x0000000000882000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
2236	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
32	moonvideo2audio32.exe
5076	moonvideo2audio32.exe

Loads dropped DLL 1 IoCs

pid	Process
2236	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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

pid	Process
2236	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 2236	4764	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	73
PID 4764 wrote to memory of 2236	4764	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	73
PID 4764 wrote to memory of 2236	4764	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe	73
PID 2236 wrote to memory of 32	2236	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	74
PID 2236 wrote to memory of 32	2236	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	74
PID 2236 wrote to memory of 32	2236	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	74
PID 2236 wrote to memory of 5076	2236	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	75
PID 2236 wrote to memory of 5076	2236	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	75
PID 2236 wrote to memory of 5076	2236	8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp	75

C:\Users\Admin\AppData\Local\Temp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe
"C:\Users\Admin\AppData\Local\Temp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Users\Admin\AppData\Local\Temp\is-5RKPI.tmp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-5RKPI.tmp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp" /SL5="$1201E0,4441808,54272,C:\Users\Admin\AppData\Local\Temp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
    "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:32
- - C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
    "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:5076

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\Moon VideoToAudio\moonvideo2audio32.exe

Filesize
2.3MB

MD5
d321cd856bf54fb6c2c9180938a5ad91

SHA1
393a99e054e5058616bbe23123c0804b88c7224e

SHA256
77601281a4839d212b6ba2276e46ae9dbd01fd9524ec72fbd170c65f847cb16b

SHA512
03adc920b4ec7d1fc7715cb0dbf8d21f2fcc39241f168d3f15ed4fa95579ca2dde9a2f2ab21560740999d9e4323c4ae0dce448f5b6e8dcf89de6ca2868ee6418

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5RKPI.tmp\8655afc60d0845930de53ffdb87c25cfc600c097039bbb7dd1cdaa713b85d172.tmp

Filesize
680KB

MD5
8ebef6645baa32451781267511737482

SHA1
2d8429a0137dbc67866dcb9faeb11eba1a2a617d

SHA256
205e7c503d2c5a7429ef51c23413577c06ff2672dd3d201a84182fdfc6788923

SHA512
ff8ae39ba9168ec2ecaacc6c87337a43879085b55fd1e4213f57c097327611aa931b8e30e8684752029759b2ad4cababef1af446490756caddd22bae2405666e

Download Submit
\Users\Admin\AppData\Local\Temp\is-GQP4B.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/32-59-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/32-60-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/32-63-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/2236-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2236-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4764-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4764-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4764-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5076-83-0x00000000007E0000-0x0000000000882000-memory.dmp

Filesize
648KB

Download
memory/5076-102-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-74-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-77-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-80-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-68-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-85-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-90-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-93-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-96-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-99-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-71-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-105-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-107-0x00000000007E0000-0x0000000000882000-memory.dmp

Filesize
648KB

Download
memory/5076-106-0x00000000007E0000-0x0000000000882000-memory.dmp

Filesize
648KB

Download
memory/5076-111-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-114-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-117-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-120-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-123-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/5076-126-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download

Analysis

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