socks5systemz | d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078

General

Target

d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe
Size

2.0MB
MD5

d85357190e6be1331036f8cf9225d5c2
SHA1

f5c994accc9fc16df9cd4f3e9e13fdea952c17be
SHA256

d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078
SHA512

82dbbd85980edda224365afca6cd75a5f18c4d967a20aec7b2d180f559a90e3772a8c125cb59f03f7465bfee60b42cb93ed037a202f0e7c1bc7c68385430aa0c
SSDEEP

49152:32VR72rAMT8ztu+OmTPjrF13w6GCDiIXSMr09sYe7D:mVR72cMT8zt8sF13wDCDiarQbc

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

buujmxe.com

http://buujmxe.com/search/?q=67e28dd86c0ba1284009f91c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f171ea771795af8e05c64bdb22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf716c8ed91

http://buujmxe.com/search/?q=67e28dd86c0ba1284009f91c7c27d78406abdd88be4b12eab517aa5c96bd86ef92814c845a8bbc896c58e713bc90c91936b5281fc235a925ed3e52d6bd974a95129070b618e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff815c2ed9d9d33cf6b

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2740-74-0x0000000002700000-0x00000000027A2000-memory.dmp	family_socks5systemz
behavioral1/memory/2740-96-0x0000000002700000-0x00000000027A2000-memory.dmp	family_socks5systemz
behavioral1/memory/2740-97-0x0000000002700000-0x00000000027A2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
3052	colorpicker.exe
2740	colorpicker.exe

Loads dropped DLL 5 IoCs

pid	Process
2308	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe
1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.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	flow	ioc	pid	Process
Destination IP	2	45.155.250.90	2740	colorpicker.exe

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

System Location Discovery: System Language Discovery 1 TTPs 4 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	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorpicker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorpicker.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 1760	2308	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe	30
PID 2308 wrote to memory of 1760	2308	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe	30
PID 2308 wrote to memory of 1760	2308	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe	30
PID 2308 wrote to memory of 1760	2308	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe	30
PID 2308 wrote to memory of 1760	2308	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe	30
PID 2308 wrote to memory of 1760	2308	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe	30
PID 2308 wrote to memory of 1760	2308	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe	30
PID 1760 wrote to memory of 3052	1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp	31
PID 1760 wrote to memory of 3052	1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp	31
PID 1760 wrote to memory of 3052	1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp	31
PID 1760 wrote to memory of 3052	1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp	31
PID 1760 wrote to memory of 2740	1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp	32
PID 1760 wrote to memory of 2740	1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp	32
PID 1760 wrote to memory of 2740	1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp	32
PID 1760 wrote to memory of 2740	1760	d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp	32

C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe
"C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\is-DDNE0.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-DDNE0.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp" /SL5="$40108,1779906,54272,C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
    "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3052
- - C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
    "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:2740

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

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

\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Filesize
2.1MB

MD5
7d196988eb734b40f3cdeb7fcfca2ac7

SHA1
936ec9251680709686e08afee2b21947fba3d078

SHA256
d1c4a6fdab2ee9d3e29cff002c76f83ece20f08806a11d44432313ae43d061f0

SHA512
c91705865a852d3e3a0a4dec16d075705b78c9e5547b9e169896400c6080d4c28b2c58183ac837ab1f858b06ecd5f68d5495a6534dd145ef3c0f15c381d1e91e

Download Submit
\Users\Admin\AppData\Local\Temp\is-DDNE0.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp

Filesize
677KB

MD5
92f7775908bb12183914bb0753782913

SHA1
8d1091da36832942d48f2fe9a1a216fdd556b9c4

SHA256
a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

SHA512
7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-VSSQK.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1760-53-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1760-19-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1760-42-0x0000000003AB0000-0x0000000003CC9000-memory.dmp

Filesize
2.1MB

Download
memory/1760-54-0x0000000003AB0000-0x0000000003CC9000-memory.dmp

Filesize
2.1MB

Download
memory/2308-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2308-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2308-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2740-92-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-83-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-116-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-113-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-57-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-58-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-61-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-64-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-67-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-70-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-73-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-74-0x0000000002700000-0x00000000027A2000-memory.dmp

Filesize
648KB

Download
memory/2740-80-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-51-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-86-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-89-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-110-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-95-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-96-0x0000000002700000-0x00000000027A2000-memory.dmp

Filesize
648KB

Download
memory/2740-97-0x0000000002700000-0x00000000027A2000-memory.dmp

Filesize
648KB

Download
memory/2740-101-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-104-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/2740-107-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/3052-44-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/3052-45-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download
memory/3052-49-0x0000000000400000-0x0000000000619000-memory.dmp

Filesize
2.1MB

Download

Analysis

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