socks5systemz | ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4

General

Target

ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
Size

2.2MB
MD5

9357e67e1024655f3302a794adc9c8da
SHA1

ed8eb9f4da01fd739d21e8684e95bd381e103402
SHA256

ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4
SHA512

c55f0e44cf043351a70dd7fa2338aefbb0f66cd243f0bd959cc38e076a7c0b6593b65fbdd89d0c17be0b84d5fc4fbe07fed90c9ce1bbcb19e2509551dbcd7b2e
SSDEEP

49152:32Q41RVpy6V66wEMgH09q+rPkhP9UsqcbKXQoWWoE587rYrNr6e7D:mQK8V6jk3Pkd9zzWZ8nYrNuc

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bubmpei.com

http://bubmpei.com/search/?q=67e28dd86a0bf32e440fad1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978a471ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923f658cf610c3ee95

http://bubmpei.com/search/?q=67e28dd86a0bf32e440fad1a7c27d78406abdd88be4b12eab517aa5c96bd86e995834a845a8bbc896c58e713bc90c91c36b5281fc235a925ed3e07d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff815c2ed9c9b38cc6f

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2704-74-0x00000000026E0000-0x0000000002782000-memory.dmp	family_socks5systemz
behavioral1/memory/2704-96-0x00000000026E0000-0x0000000002782000-memory.dmp	family_socks5systemz
behavioral1/memory/2704-97-0x00000000026E0000-0x0000000002782000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp
2436	colorpicker.exe
2704	colorpicker.exe

Loads dropped DLL 5 IoCs

pid	Process
2380	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp
2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp
2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp
2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.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	91.211.247.248	2704	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	colorpicker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorpicker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2764	2380	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe	31
PID 2380 wrote to memory of 2764	2380	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe	31
PID 2380 wrote to memory of 2764	2380	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe	31
PID 2380 wrote to memory of 2764	2380	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe	31
PID 2380 wrote to memory of 2764	2380	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe	31
PID 2380 wrote to memory of 2764	2380	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe	31
PID 2380 wrote to memory of 2764	2380	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe	31
PID 2764 wrote to memory of 2436	2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	32
PID 2764 wrote to memory of 2436	2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	32
PID 2764 wrote to memory of 2436	2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	32
PID 2764 wrote to memory of 2436	2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	32
PID 2764 wrote to memory of 2704	2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	33
PID 2764 wrote to memory of 2704	2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	33
PID 2764 wrote to memory of 2704	2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	33
PID 2764 wrote to memory of 2704	2764	ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp	33

C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe
"C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\is-1E02K.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-1E02K.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp" /SL5="$400F4,1972866,54272,C:\Users\Admin\AppData\Local\Temp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - 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:2436
- - 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:2704

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
2.2MB

MD5
db2e42972e6f72f623ec6cadf8180747

SHA1
be60e50f957eb7d9c88f52e234671701fc8fc7a0

SHA256
d029b6e530502459f455078d89c15ec6183085550d839a1b7cb4fa274bded45d

SHA512
ce8f3bc9f10f588472c936d8163427bc123a15c49d95533b0707faa146cec89f5f525be8ad7cd3a6b8459c4db4561fd8273908884e1420e1ef4251eaa9ec1dd8

Download Submit
\Users\Admin\AppData\Local\Temp\is-1E02K.tmp\ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4.tmp

Filesize
677KB

MD5
92f7775908bb12183914bb0753782913

SHA1
8d1091da36832942d48f2fe9a1a216fdd556b9c4

SHA256
a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

SHA512
7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

Download Submit
\Users\Admin\AppData\Local\Temp\is-IT170.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-IT170.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2380-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2380-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2380-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2436-49-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2436-44-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2436-45-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-64-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-80-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-116-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-113-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-110-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-57-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-58-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-61-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-107-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-67-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-70-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-73-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-74-0x00000000026E0000-0x0000000002782000-memory.dmp

Filesize
648KB

Download
memory/2704-51-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-83-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-86-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-89-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-92-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-95-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-96-0x00000000026E0000-0x0000000002782000-memory.dmp

Filesize
648KB

Download
memory/2704-97-0x00000000026E0000-0x0000000002782000-memory.dmp

Filesize
648KB

Download
memory/2704-101-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2704-104-0x0000000000400000-0x0000000000642000-memory.dmp

Filesize
2.3MB

Download
memory/2764-9-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2764-43-0x0000000003730000-0x0000000003972000-memory.dmp

Filesize
2.3MB

Download
memory/2764-54-0x0000000003730000-0x0000000003972000-memory.dmp

Filesize
2.3MB

Download
memory/2764-53-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

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