socks5systemz | fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2

General

Target

fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.exe
Size

5.3MB
MD5

f994acb7dbed36847915e627456693d4
SHA1

01b0fb3903302795b3af4eed0ef51796a191c597
SHA256

fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2
SHA512

0aeac09a48cb8878bcadc9342e1a918a408eb2de13b431550c37296012972df02416d5e97e8e4f577a6ca0aeaf1bbd1415eafce73fc3b39414b9e36370f07b4d
SSDEEP

98304:m2aeocgqTl7b+6rhpxq1Sr3SfJcs0l4xzQHPibsz8qyVLpymbA9W/qS3gz7NjVOq:Meaqhr7FYJcsEvibS+U19P2gn/

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ckhyovy.net

http://ckhyovy.net/search/?q=67e28dd86e5ef12f1358fa4b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608afd13c9ec969339

http://ckhyovy.net/search/?q=67e28dd86e5ef12f1358fa4b7c27d78406abdd88be4b12eab517aa5c96bd86e8968248825a8bbc896c58e713bc90c91b36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7eb979832ce6c9f14

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/3448-97-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz
behavioral2/memory/3448-120-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz
behavioral2/memory/3448-119-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
5004	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp
4580	victoriapigments.exe
3448	victoriapigments.exe

Loads dropped DLL 3 IoCs

pid	Process
5004	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp
5004	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp
5004	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.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	36	45.155.250.90	3448	victoriapigments.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	victoriapigments.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	victoriapigments.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 5004	3940	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.exe	86
PID 3940 wrote to memory of 5004	3940	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.exe	86
PID 3940 wrote to memory of 5004	3940	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.exe	86
PID 5004 wrote to memory of 4580	5004	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp	89
PID 5004 wrote to memory of 4580	5004	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp	89
PID 5004 wrote to memory of 4580	5004	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp	89
PID 5004 wrote to memory of 3448	5004	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp	90
PID 5004 wrote to memory of 3448	5004	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp	90
PID 5004 wrote to memory of 3448	5004	fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp	90

C:\Users\Admin\AppData\Local\Temp\fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.exe
"C:\Users\Admin\AppData\Local\Temp\fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Users\Admin\AppData\Local\Temp\is-R3QQF.tmp\fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-R3QQF.tmp\fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp" /SL5="$502A4,5285630,54272,C:\Users\Admin\AppData\Local\Temp\fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5004
- - C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe
    "C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4580
- - C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe
    "C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe" -s
    3⤵
    - Executes dropped EXE
    - Unexpected DNS network traffic destination
    - System Location Discovery: System Language Discovery
    PID:3448

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

C:\Users\Admin\AppData\Local\Temp\is-5BBD3.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5BBD3.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-R3QQF.tmp\fdcd9aad90ee4286c18e38c66e11de060071aadc152276d27fc4a05ceece44e2.tmp

Filesize
677KB

MD5
2c3c8ab8ea33f7877dcfa4c0b3d5202c

SHA1
99c6b63a56f902f6236ff618af5090f62d0e2d7d

SHA256
25a5cd6a58a140d6f84fc122d0264053cddf8cd1d9f8235b521c2eecf8b17a32

SHA512
cd98a80f523b6950f0be5a7d5e39193fed3b53d62da5f5b0bb0fb3a96dd441a86698b80aa39815f687a3d9d1a70912391de7d7754764af669a193cd0f0745295

Download Submit
C:\Users\Admin\AppData\Local\Victoria Pigments\libeay32.dll

Filesize
1.9MB

MD5
876a839023b8f962a72d295da7495734

SHA1
62a7728679bc18784b1fbf1d013f7cece18cbec9

SHA256
a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

SHA512
e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

Download Submit
C:\Users\Admin\AppData\Local\Victoria Pigments\victoriapigments.exe

Filesize
2.4MB

MD5
54641a2bf1515f2e0bfbca7c68317410

SHA1
06b3ef77c767a235caec190a69f54accf3ad2fcf

SHA256
117e45bc597896eddf763760fc0bf278409f6d9b2623a7ec45d798ce4513e1b3

SHA512
e13f291ab1e90b52d6bc9b550855c7d883f8d974d1af63fc7005558ff428498a5a4f6d5f58221e58bfc4ba4366ca826b05267bf33e5ac7dfdd0eb04b3b5b71f0

Download Submit
memory/3448-112-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-120-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/3448-139-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-136-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-133-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-130-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-74-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-127-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-76-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-124-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-119-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/3448-80-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-81-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-84-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-87-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-90-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-93-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-96-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-97-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/3448-103-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-106-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-109-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-118-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3448-115-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/3940-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3940-78-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3940-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4580-71-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/4580-70-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/4580-66-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/4580-65-0x0000000000400000-0x0000000000660000-memory.dmp

Filesize
2.4MB

Download
memory/5004-10-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5004-77-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

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