socks5systemz | fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8

General

Target

fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.exe
Size

4.2MB
MD5

564b116d6719fe43b97d32380aa9915e
SHA1

d2c8c64f780e8f9395864a8a378f749b0a5c0fa2
SHA256

fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8
SHA512

45cece3e857f1c2e400436fba359a6aa21e610a92e147ca887055426f344b151ca7291e91b84d6aca8710da0f549031420d326a3030ba394bf768d652fa9cf4c
SSDEEP

98304:NPIdQCF2idUT8CucMompLQwqdAbyHoK+d/:JIeQ27rTmWtUQgR

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1380-102-0x0000000000AA0000-0x0000000000B42000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
4284	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp
1380	jeykobfreevideoeditor32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
4284	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp

Unexpected DNS network traffic destination 2 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
Destination IP	152.89.198.214

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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jeykobfreevideoeditor32_64.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4284	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp
4284	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4284	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 4284	4812	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.exe	73
PID 4812 wrote to memory of 4284	4812	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.exe	73
PID 4812 wrote to memory of 4284	4812	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.exe	73
PID 4284 wrote to memory of 1380	4284	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp	74
PID 4284 wrote to memory of 1380	4284	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp	74
PID 4284 wrote to memory of 1380	4284	fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp	74

C:\Users\Admin\AppData\Local\Temp\fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.exe
"C:\Users\Admin\AppData\Local\Temp\fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Users\Admin\AppData\Local\Temp\is-LR6RM.tmp\fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-LR6RM.tmp\fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp" /SL5="$801FC,4075073,54272,C:\Users\Admin\AppData\Local\Temp\fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4284
- - C:\Users\Admin\AppData\Local\Jeykob Free Video Editor\jeykobfreevideoeditor32_64.exe
    "C:\Users\Admin\AppData\Local\Jeykob Free Video Editor\jeykobfreevideoeditor32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1380

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Jeykob Free Video Editor\jeykobfreevideoeditor32_64.exe

Filesize
2.8MB

MD5
1d5525ad30e7adefe0a77e0439b48790

SHA1
de1022e52ebec7e382fd2cad6367494632235eff

SHA256
150750a32333aa92d6f094ba4ea3ca38b09300ef64e638986760c782b5fb5586

SHA512
4e5ad7af16ca06d29ee5b05696913ed7a6f66f5c343a74cea213449cc1d4196755f5d445a3c6530b926957adcb70e1e1964a5583f0059a88b8e54f4e1901905c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LR6RM.tmp\fb0e192426177896a138ada89733ee03f972a59bd9b36d9625362b75aec7dec8.tmp

Filesize
692KB

MD5
16c9d19ab32c18671706cefee19b6949

SHA1
fca23338cb77068e1937df4e59d9c963c5548cf8

SHA256
c1769524411682d5a204c8a40f983123c67efeadb721160e42d7bbfe4531eb70

SHA512
32b4b0b2fb56a299046ec26fb41569491e8b0cd2f8bec9d57ec0d1ad1a7860eec72044dab2d5044cb452ed46e9f21513eab2171bafa9087af6d2de296455c64b

Download Submit
\Users\Admin\AppData\Local\Temp\is-JBR33.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1380-127-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-121-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-149-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-80-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-81-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-146-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-143-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-86-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-89-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-92-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-95-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-98-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-101-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-102-0x0000000000AA0000-0x0000000000B42000-memory.dmp

Filesize
648KB

Download
memory/1380-140-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-112-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-108-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-115-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-118-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-111-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-124-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-137-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-130-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/1380-134-0x0000000000400000-0x00000000006CE000-memory.dmp

Filesize
2.8MB

Download
memory/4284-12-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4284-83-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4812-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4812-84-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4812-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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