socks5systemz | d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c

General

Target

d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.exe
Size

5.5MB
MD5

141a5970c9b3f1af2f116cc049c7407d
SHA1

ce680835935661a6b3c71477fbdbba4650b1ae8e
SHA256

d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c
SHA512

7d699588cd9f07124fab31359529d381a7962e81314b0fa9f7f49ee4d384f96aa5efb6861037b0569a1ccdea835d1bfd8da0dfc3f552504fbf6268b092368067
SSDEEP

98304:CHk1OWGS5CgSRrRICt74ea6VaLQyOUbcZjw3UgMruMbN9HgpSUIhXFuv0Qx/:GKOWdEgS1L8ea6VaLFOUoZjwCnbbApSu

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/3840-91-0x0000000000970000-0x0000000000A12000-memory.dmp	family_socks5systemz
behavioral2/memory/3840-114-0x0000000000970000-0x0000000000A12000-memory.dmp	family_socks5systemz
behavioral2/memory/3840-115-0x0000000000970000-0x0000000000A12000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp
1432	djpromix32.exe
3840	djpromix32.exe

Loads dropped DLL 3 IoCs

pid	Process
216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp
216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp
216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.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	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

pid	Process
216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 216	2244	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.exe	73
PID 2244 wrote to memory of 216	2244	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.exe	73
PID 2244 wrote to memory of 216	2244	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.exe	73
PID 216 wrote to memory of 1432	216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp	74
PID 216 wrote to memory of 1432	216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp	74
PID 216 wrote to memory of 1432	216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp	74
PID 216 wrote to memory of 3840	216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp	75
PID 216 wrote to memory of 3840	216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp	75
PID 216 wrote to memory of 3840	216	d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp	75

C:\Users\Admin\AppData\Local\Temp\d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.exe
"C:\Users\Admin\AppData\Local\Temp\d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\is-K19UD.tmp\d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-K19UD.tmp\d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp" /SL5="$10004A,5477346,54272,C:\Users\Admin\AppData\Local\Temp\d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe
    "C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1432
- - C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe
    "C:\Users\Admin\AppData\Local\DJ Pro Mix\djpromix32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3840

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\DJ Pro Mix\djpromix32.exe

Filesize
3.5MB

MD5
b7616ff01fc780dfcdca72cf59b61957

SHA1
64118f8f58e76bd7791bd0341358e6370c561f3e

SHA256
78d3ae6b6c5fa34361210db56e56be64688527587579f0de54f90429d2e5cf51

SHA512
c747af9821dcd1703a54d0f59c2f1d38191cfdc9997581ae4e80eeebc3d1c8712804cdc427926e87419dc772e3ffebb7275ca1bbb81c942aff34763fbf102bca

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-K19UD.tmp\d07146e96d84f8d0f341b2a9b4661caa04ef232afe63a6c4627acac02399f01c.tmp

Filesize
680KB

MD5
3ee614dd74570058424b0adf2d81045f

SHA1
d5301c33b3ff7f3023f968bc8a3d0e58af3c0a7b

SHA256
26a8227182d469af49fbcbf498e1f4dbc71040da2b5525ed1e459e5dcb78fed7

SHA512
60be4e9b18c8b61340095db081e31f1076a7584658ebee6d9c36d314389a08b5c67564699fda8a59101ff5b566e6c40323a0ad6b6900f6db596c355823004c81

Download Submit
\Users\Admin\AppData\Local\Temp\is-U8QH0.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-U8QH0.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
memory/216-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/216-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1432-66-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1432-67-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/1432-69-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/2244-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2244-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2244-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3840-82-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-104-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-78-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-79-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-72-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-85-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-88-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-91-0x0000000000970000-0x0000000000A12000-memory.dmp

Filesize
648KB

Download
memory/3840-93-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-98-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-101-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-75-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-107-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-110-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-113-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-114-0x0000000000970000-0x0000000000A12000-memory.dmp

Filesize
648KB

Download
memory/3840-115-0x0000000000970000-0x0000000000A12000-memory.dmp

Filesize
648KB

Download
memory/3840-119-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-122-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-125-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-128-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-131-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3840-134-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download

Analysis

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