socks5systemz | 3552198657f5727845f6a083d3292cb40669f2dfe359475621c4f7457cc0c619

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23/01/2024, 03:21

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General

Target

086f33ebfbcabeb3bf3a552a30a46e0b.exe
Size

4.0MB
MD5

086f33ebfbcabeb3bf3a552a30a46e0b
SHA1

c1acbae529d38d1b8d4c0c2f45fac45b69323ab1
SHA256

3552198657f5727845f6a083d3292cb40669f2dfe359475621c4f7457cc0c619
SHA512

99cd7d48c664c01c11f456ef8f963383adec1d6574e57970540c2b5bc96445751e3e274d7a935a95d696b003c2c94b6c483eada78782c2d4518eb01326bcc988
SSDEEP

98304:ndL9xWLs1Esvx3VRy2XOwnqoQyVHXoblgL74+7e:dzwM5S2X9qM3oqLU+7e

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

51.159.66.125

217.23.6.51

151.80.38.159

217.23.9.168

37.187.122.227

Attributes

rc4_key
heyfg645fdhwi

Signatures

Detect Socks5Systemz Payload 2 IoCs

resource	yara_rule
behavioral1/memory/2588-114-0x0000000002B60000-0x0000000002C0A000-memory.dmp	family_socks5systemz
behavioral1/memory/2588-122-0x0000000002B60000-0x0000000002C0A000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2288	is-AM1A6.tmp
2628	ZxingPDF.exe
2588	ZxingPDF.exe

Loads dropped DLL 10 IoCs

pid	Process
2672	086f33ebfbcabeb3bf3a552a30a46e0b.exe
2288	is-AM1A6.tmp
2288	is-AM1A6.tmp
2288	is-AM1A6.tmp
2288	is-AM1A6.tmp
2628	ZxingPDF.exe
2628	ZxingPDF.exe
2288	is-AM1A6.tmp
2588	ZxingPDF.exe
2588	ZxingPDF.exe

Unexpected DNS network traffic destination 3 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	51.159.66.125
Destination IP	217.23.6.51
Destination IP	151.80.38.159

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

Drops file in Program Files directory 28 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-EKBEF.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-RD04I.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Online\is-RPIMT.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Help\is-LPIN7.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\unins000.dat	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-HDEMU.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-RP9IE.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Plugins\is-9T3JV.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-VJ9RN.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-1TDDQ.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Online\is-1BS0T.tmp	is-AM1A6.tmp
File opened for modification	C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-LEUU2.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Plugins\is-R7T1O.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Plugins\is-93KBV.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Plugins\is-ISTD7.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\is-UJVFL.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-R3NQ7.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-C9FC6.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-8O4UB.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-HVA8F.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-8APUM.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-V9UDI.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-AVAGM.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-TI3N5.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\Lang\is-GUG2B.tmp	is-AM1A6.tmp
File created	C:\Program Files (x86)\ZxingPDF\is-1HADM.tmp	is-AM1A6.tmp
File opened for modification	C:\Program Files (x86)\ZxingPDF\unins000.dat	is-AM1A6.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2288	2672	086f33ebfbcabeb3bf3a552a30a46e0b.exe	28
PID 2672 wrote to memory of 2288	2672	086f33ebfbcabeb3bf3a552a30a46e0b.exe	28
PID 2672 wrote to memory of 2288	2672	086f33ebfbcabeb3bf3a552a30a46e0b.exe	28
PID 2672 wrote to memory of 2288	2672	086f33ebfbcabeb3bf3a552a30a46e0b.exe	28
PID 2672 wrote to memory of 2288	2672	086f33ebfbcabeb3bf3a552a30a46e0b.exe	28
PID 2672 wrote to memory of 2288	2672	086f33ebfbcabeb3bf3a552a30a46e0b.exe	28
PID 2672 wrote to memory of 2288	2672	086f33ebfbcabeb3bf3a552a30a46e0b.exe	28
PID 2288 wrote to memory of 2828	2288	is-AM1A6.tmp	29
PID 2288 wrote to memory of 2828	2288	is-AM1A6.tmp	29
PID 2288 wrote to memory of 2828	2288	is-AM1A6.tmp	29
PID 2288 wrote to memory of 2828	2288	is-AM1A6.tmp	29
PID 2288 wrote to memory of 2828	2288	is-AM1A6.tmp	29
PID 2288 wrote to memory of 2828	2288	is-AM1A6.tmp	29
PID 2288 wrote to memory of 2828	2288	is-AM1A6.tmp	29
PID 2288 wrote to memory of 2628	2288	is-AM1A6.tmp	31
PID 2288 wrote to memory of 2628	2288	is-AM1A6.tmp	31
PID 2288 wrote to memory of 2628	2288	is-AM1A6.tmp	31
PID 2288 wrote to memory of 2628	2288	is-AM1A6.tmp	31
PID 2288 wrote to memory of 2628	2288	is-AM1A6.tmp	31
PID 2288 wrote to memory of 2628	2288	is-AM1A6.tmp	31
PID 2288 wrote to memory of 2628	2288	is-AM1A6.tmp	31
PID 2288 wrote to memory of 2588	2288	is-AM1A6.tmp	32
PID 2288 wrote to memory of 2588	2288	is-AM1A6.tmp	32
PID 2288 wrote to memory of 2588	2288	is-AM1A6.tmp	32
PID 2288 wrote to memory of 2588	2288	is-AM1A6.tmp	32
PID 2288 wrote to memory of 2588	2288	is-AM1A6.tmp	32
PID 2288 wrote to memory of 2588	2288	is-AM1A6.tmp	32
PID 2288 wrote to memory of 2588	2288	is-AM1A6.tmp	32

C:\Users\Admin\AppData\Local\Temp\086f33ebfbcabeb3bf3a552a30a46e0b.exe
"C:\Users\Admin\AppData\Local\Temp\086f33ebfbcabeb3bf3a552a30a46e0b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\is-DTUM5.tmp\is-AM1A6.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-DTUM5.tmp\is-AM1A6.tmp" /SL4 $400F2 "C:\Users\Admin\AppData\Local\Temp\086f33ebfbcabeb3bf3a552a30a46e0b.exe" 3876134 242176
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /Query
    3⤵
    PID:2828
- - C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe
    "C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2628
- - C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe
    "C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -s
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe

Filesize
1.0MB

MD5
2a6c0d7ec04f22de13ef1f0df6209859

SHA1
932768ced647969a9a5f6c7a06df46bd0da965e3

SHA256
ddd09887dabe2ee65ce60e65d6c564d7ca5e83b2a1d0aa02ab06d97b99025ccf

SHA512
e655a72dafd67098942f3814782613f1092a9209ccd209209a1aa374ccbdc28d8252edacabff5ad2ace4f2aba3a72c40254d352e09b35eaa7494730ab82def4a

Download Submit
\Program Files (x86)\ZxingPDF\ZxingPDF.exe

Filesize
2.0MB

MD5
330c3f73c995dbc18c9211269fc579ee

SHA1
32596c55cfc47c80a8c21dbb28538836cecec40d

SHA256
c558e1a93895386068de911f2f92b9e7680b7e3b3649894ccae8f7b12d56849d

SHA512
13e095500ad5a57637a7d53ca88deae73921388a0959298fbb8a127f08bec7b108d00405063e6138d1b572b19da9a16ee48564a6ed43880f2a83bdb5428756ca

Download Submit
\Program Files (x86)\ZxingPDF\ZxingPDF.exe

Filesize
798KB

MD5
9180a76194d0e4934244159dff4e5a3a

SHA1
e98e20ab56cfef02c761e35aa941f9a49a652fcd

SHA256
314b753234eb76ea90cc4dd05704b4da724eb1c5ce030f8248c52d8db0d3c29e

SHA512
e8a1902ba81a95699239eba8faa97ad6f952ba5a7ef1ac9979a5049e763ecce8f912bb5e3572506eacb991345d2767275f98f627bae91b0ad21a0482ba732278

Download Submit
\Program Files (x86)\ZxingPDF\ZxingPDF.exe

Filesize
588KB

MD5
d66599d6f6a3c70b16860361553845b7

SHA1
903c4265eec8d985f7d6036fb86b9e93ac4181e8

SHA256
364a57a353b123ecc079c799b0b2fbd716ff3e711914dea881e2643724c17c8c

SHA512
d266ec3463edaee0e8b8d8af0f83ad71eb235f84a2821653a345ba0394716ed2b145df1219eb4544fac8ff76d27018b37f39c4c86983be40295149ce2e760583

Download Submit
\Program Files (x86)\ZxingPDF\ZxingPDF.exe

Filesize
414KB

MD5
d30a33fe6ea9ba850d52cc7732d8fb0a

SHA1
625c1424a2ae6dbc7815120ed57c0bb64db114fb

SHA256
1829d0ec28edac57884b54055af9c15ca86083871606cee43b91e81d07ce96a6

SHA512
73e64a4cb3e9c3c213b241355bc552a00e5648ed52e3fff43acc62a15633c5df60fdbcb5d4a2b10ac188fcfb2a65be96affde4fe3ed4b16dc26595db45dd016a

Download Submit
\Users\Admin\AppData\Local\Temp\is-DTUM5.tmp\is-AM1A6.tmp

Filesize
643KB

MD5
a991510c12f20ccf8a5231a32a7958c3

SHA1
122724d1a4fdea39af3aa427e4941158d7e91dfa

SHA256
0c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198

SHA512
8f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa

Download Submit
\Users\Admin\AppData\Local\Temp\is-S8APO.tmp\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-S8APO.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2288-77-0x00000000039D0000-0x0000000003BD9000-memory.dmp

Filesize
2.0MB

Download
memory/2288-94-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/2588-114-0x0000000002B60000-0x0000000002C0A000-memory.dmp

Filesize
680KB

Download
memory/2588-101-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-140-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-137-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-89-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-134-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-131-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-90-0x0000000000C90000-0x0000000000E99000-memory.dmp

Filesize
2.0MB

Download
memory/2588-92-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-128-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-125-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-95-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-98-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-99-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-100-0x0000000000C90000-0x0000000000E99000-memory.dmp

Filesize
2.0MB

Download
memory/2588-122-0x0000000002B60000-0x0000000002C0A000-memory.dmp

Filesize
680KB

Download
memory/2588-104-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-107-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-110-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-113-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-121-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2588-118-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2628-84-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2628-78-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2628-79-0x0000000000D70000-0x0000000000F79000-memory.dmp

Filesize
2.0MB

Download
memory/2628-80-0x0000000000D70000-0x0000000000F79000-memory.dmp

Filesize
2.0MB

Download
memory/2628-83-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2628-81-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2672-1-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2672-93-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download