socks5systemz | 712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2

General

Target

712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe
Size

1.8MB
MD5

8112cdcf3e79a3a8a3216c6717a91783
SHA1

a7f099c9d286e0e0e9a933daa7e6a9390c889832
SHA256

712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2
SHA512

51d325a4ec08275a472e4e92ca6e40673e63f3da995c3ac7c8bec886fcacbba01f95f3cd6319d0bece8fb96074216f6ddb6aaf06777f0dfbc4a75b94685cf1bf
SSDEEP

24576:320U/JjmoYq7FWknmfXBx2PFCnlK9oTD+Kl9iXCWgCReJdd18K4TIvjgvCNB:329Vmo/mvSPFCl46D+K8Ct7CggKNB

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://ebverdb.ua/search/?q=67e28dd86d0ef17b460ef9177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa45e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a678af918c1ee9c

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2444-73-0x00000000025F0000-0x0000000002694000-memory.dmp	family_socks5systemz
behavioral1/memory/2444-74-0x00000000025F0000-0x0000000002694000-memory.dmp	family_socks5systemz
behavioral1/memory/2444-86-0x00000000025F0000-0x0000000002694000-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/1176-44-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/1176-45-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/1176-48-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-51-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-54-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-59-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-62-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-63-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-66-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-69-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-72-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-80-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-83-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-87-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-90-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-93-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-96-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-100-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2444-103-0x0000000000400000-0x00000000005AA000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

pid	Process
2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp
1176	linatext.exe
2444	linatext.exe

Loads dropped DLL 5 IoCs

pid	Process
2712	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe
2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp
2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp
2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp
2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.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	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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2524	2712	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe	28
PID 2712 wrote to memory of 2524	2712	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe	28
PID 2712 wrote to memory of 2524	2712	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe	28
PID 2712 wrote to memory of 2524	2712	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe	28
PID 2712 wrote to memory of 2524	2712	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe	28
PID 2712 wrote to memory of 2524	2712	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe	28
PID 2712 wrote to memory of 2524	2712	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe	28
PID 2524 wrote to memory of 1176	2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp	29
PID 2524 wrote to memory of 1176	2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp	29
PID 2524 wrote to memory of 1176	2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp	29
PID 2524 wrote to memory of 1176	2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp	29
PID 2524 wrote to memory of 2444	2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp	30
PID 2524 wrote to memory of 2444	2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp	30
PID 2524 wrote to memory of 2444	2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp	30
PID 2524 wrote to memory of 2444	2524	712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp	30

C:\Users\Admin\AppData\Local\Temp\712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe
"C:\Users\Admin\AppData\Local\Temp\712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Users\Admin\AppData\Local\Temp\is-05QV9.tmp\712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-05QV9.tmp\712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp" /SL5="$70156,1514293,54272,C:\Users\Admin\AppData\Local\Temp\712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Users\Admin\AppData\Local\Lina Text\linatext.exe
    "C:\Users\Admin\AppData\Local\Lina Text\linatext.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1176
- - C:\Users\Admin\AppData\Local\Lina Text\linatext.exe
    "C:\Users\Admin\AppData\Local\Lina Text\linatext.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2444

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Lina Text\linatext.exe

Filesize
320KB

MD5
e8e79c18a3c60cd1f6638255154c6f82

SHA1
7dec81a9d14f67d59ddb388759c9ab1936ec92de

SHA256
7bd6a05ab27cbd98285ea848d210fe15f31b45a724b919a02cf4369b87b08a2c

SHA512
46cb298ba599959720087df9a5a1b3809aa855afb26620a1be38a8e472595662bce1dfe0991081d2243173a47a1b59cb8c1b87e00a5c66e661fecb2bf7f4e5cb

Download Submit
C:\Users\Admin\AppData\Local\Lina Text\linatext.exe

Filesize
1.7MB

MD5
c40fab9c1a5d748e3bb93fa65dc24877

SHA1
a68f8860a6956b9458105b13834cfa0b0bf64895

SHA256
71d7ecf3eb8ff6337ee155768e6735ae67ef0ac39d598eee7600523ec752f0e0

SHA512
099ea86cfb6d285dcf5eeb9d695256bc719f05f7d3eea9bd9a13d31fc8530a141b0d63c0deeb221bdfa245b89a7836e1dbb318e236e81c0aaa7088385a2b92cc

Download Submit
\Users\Admin\AppData\Local\Lina Text\linatext.exe

Filesize
712KB

MD5
68559a9af5cbb2fe56e72f50ac16d611

SHA1
2daf0a7c0291fa39710374a5561af9353ff940a0

SHA256
74be3be1879e400f18a7cf377ea9c0b1dd8e1cee199cdff991fcd0c69da3ae23

SHA512
91847afe37dd953ec63d9db2a813624cc8bf4a26fceae8dfa340a8328b2a0773d9a69e0a812e7d53a0e2c6163a071a64823609afe34018d28f73a1694c367108

Download Submit
\Users\Admin\AppData\Local\Temp\is-05QV9.tmp\712b40e35c119ff3900a1dfb374e1723b3020930c29c2c7ed5b54ed5ecd614f2.tmp

Filesize
677KB

MD5
33da9dc521f467c0405d3ef5377ce04b

SHA1
5249d7ce5dfabe5ee6d2fc7d3f3eba1e866b7d1f

SHA256
dbab8a7b2b45fc7001d5e34d3d45ccbe93a7591f12910281acf2c32f8c4e631c

SHA512
a3093637e1d731eab58080e10706db1afbf6e79fbac6593733b61033f97875ecbe230311e9741d349625ec3a66a6435318846d35290db8cd00af76d692699a55

Download Submit
\Users\Admin\AppData\Local\Temp\is-441GA.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-441GA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1176-45-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1176-48-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1176-43-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/1176-44-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-80-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-86-0x00000000025F0000-0x0000000002694000-memory.dmp

Filesize
656KB

Download
memory/2444-103-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-51-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-100-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-96-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-54-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-93-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-90-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-59-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-62-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-63-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-66-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-69-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-72-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-73-0x00000000025F0000-0x0000000002694000-memory.dmp

Filesize
656KB

Download
memory/2444-74-0x00000000025F0000-0x0000000002694000-memory.dmp

Filesize
656KB

Download
memory/2444-87-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2444-83-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/2524-42-0x0000000003530000-0x00000000036DA000-memory.dmp

Filesize
1.7MB

Download
memory/2524-56-0x0000000003530000-0x00000000036DA000-memory.dmp

Filesize
1.7MB

Download
memory/2524-55-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2524-53-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2524-15-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2712-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2712-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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