socks5systemz | 960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26

General

Target

960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe
Size

2.5MB
MD5

23caf06fd127424abe806bf1a94a8074
SHA1

149576b82156776b92a971c6c306a66f36b0b91b
SHA256

960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26
SHA512

b184c1d27befdffc9ffbcff3adbc98e6d1157e6fe2c9a42bcf24ee366f05a81556570e20d1dd0d816d84e72c67be1ba123c42a7b32fac617a2287c1fde561615
SSDEEP

49152:C9JUzBM3/r8AGfg1dk+Y3WOfGRF6qTeEZ/wIwrWpD/t6x:MJKBUGIPk+8HuCqTbwy/tk

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bhygcvc.com/search/?q=67e28dd86a55a428420bf81f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f371ea771795af8e05c64bdb22f31df92d8b38e316a667d307eca743ec4c2b07b52966923b6e8ffc18c3ed90

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2588-77-0x0000000002690000-0x0000000002732000-memory.dmp	family_socks5systemz
behavioral1/memory/2588-78-0x0000000002690000-0x0000000002732000-memory.dmp	family_socks5systemz
behavioral1/memory/2588-90-0x0000000002690000-0x0000000002732000-memory.dmp	family_socks5systemz

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

Detects executables packed with VMProtect. 19 IoCs

resource	yara_rule
behavioral1/memory/2632-47-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2632-48-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2632-51-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-55-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-58-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-63-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-66-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-67-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-70-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-73-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-76-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-84-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-87-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-91-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-94-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-97-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-100-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-104-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2588-107-0x0000000000400000-0x0000000000700000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

pid	Process
2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp
2632	cddvdidentifier.exe
2588	cddvdidentifier.exe

Loads dropped DLL 6 IoCs

pid	Process
2220	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe
2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp
2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp
2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp
2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp
2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp
2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2228	2220	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe	28
PID 2220 wrote to memory of 2228	2220	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe	28
PID 2220 wrote to memory of 2228	2220	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe	28
PID 2220 wrote to memory of 2228	2220	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe	28
PID 2220 wrote to memory of 2228	2220	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe	28
PID 2220 wrote to memory of 2228	2220	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe	28
PID 2220 wrote to memory of 2228	2220	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe	28
PID 2228 wrote to memory of 2632	2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp	29
PID 2228 wrote to memory of 2632	2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp	29
PID 2228 wrote to memory of 2632	2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp	29
PID 2228 wrote to memory of 2632	2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp	29
PID 2228 wrote to memory of 2588	2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp	30
PID 2228 wrote to memory of 2588	2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp	30
PID 2228 wrote to memory of 2588	2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp	30
PID 2228 wrote to memory of 2588	2228	960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp	30

C:\Users\Admin\AppData\Local\Temp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe
"C:\Users\Admin\AppData\Local\Temp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\is-MUGOK.tmp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-MUGOK.tmp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp" /SL5="$30156,2202326,56832,C:\Users\Admin\AppData\Local\Temp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe
    "C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2632
- - C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe
    "C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe

Filesize
960KB

MD5
d0ba5249ba5c1dacd6ae3e4694219f70

SHA1
aa1d8d37179ef37bb13c15f7524cada302e4d145

SHA256
6c20dacd938af963dd662c3cd2063e8d2ccdf458728a5f6b888472c149852f17

SHA512
4b3ba88fea664cb4c72a0f15d800032282029aaa42ebcaa710f9c56a37ed1b38583f8ab31eabeaa4e8de565b7fd2defc399da2c1c89c84c87ab2c7037b3dfabb

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MUGOK.tmp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp

Filesize
690KB

MD5
a1b45df2ed6b73416fdf10a62a69f8f0

SHA1
053d566b3d1d4ec47d4dff670611a20802b1a366

SHA256
0f20cd41a5d49d9324f102419045adbaa01e1bdab8f620cacd30f32290009a4d

SHA512
bbe1b8cd45eda9f201093970788a001d4142fe234b21e6fc992366f86a0fcc2156480394696a09cedc41381ba939966d5825582f49a90bdd089dc765fa52a8f2

Download Submit
\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe

Filesize
3.0MB

MD5
7e21a1fbb31a2468ac84301e1b0ec8ff

SHA1
dd95f71ee319de5b88dcd4a2f6ebfbea2498bb73

SHA256
47fc6e9022b2665567d17997bf527ad2a5131f209cf23034092c1cce9e2c8f00

SHA512
fe4a14a38d1ad7a49bcbd36a17a14a21e69024ed96a1dcf8a7621959e805b752f269d84dfc04042f6ceb4bd9af8f183d49dc2732728e88bac512c7fe97be7bf9

Download Submit
\Users\Admin\AppData\Local\Temp\is-MUGOK.tmp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp

Filesize
384KB

MD5
5949dd8368b9f6b1c2a0df7f759822df

SHA1
1c2057aef29a43a61d220e56a218da075989d43c

SHA256
cb90ef41a6623abe92fdd1ee5f6a2077982470f56c4cf15b825a6f179da0f3ab

SHA512
6acbfc35224c1c82bf4faac7f16ce2139d27b965a2b0722de4fc76caec5df6ca59c6ff243b9ee55d530b8ee67bf0ab4b7db69fb12c08f2ba065ce45d637b0d56

Download Submit
\Users\Admin\AppData\Local\Temp\is-P97H9.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-P97H9.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
\Users\Admin\AppData\Local\Temp\is-P97H9.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2220-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2228-45-0x0000000003860000-0x0000000003B60000-memory.dmp

Filesize
3.0MB

Download
memory/2228-60-0x0000000003860000-0x0000000003B60000-memory.dmp

Filesize
3.0MB

Download
memory/2228-59-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2228-8-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2228-57-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2588-77-0x0000000002690000-0x0000000002732000-memory.dmp

Filesize
648KB

Download
memory/2588-87-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-53-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-107-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-58-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-104-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-100-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-63-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-66-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-67-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-70-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-73-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-76-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-97-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-78-0x0000000002690000-0x0000000002732000-memory.dmp

Filesize
648KB

Download
memory/2588-84-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-55-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-90-0x0000000002690000-0x0000000002732000-memory.dmp

Filesize
648KB

Download
memory/2588-91-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2588-94-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2632-46-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2632-47-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2632-48-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/2632-51-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download

Analysis

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