socks5systemz | 9c2b49dde271accdeb74a011a6091c6d7ed432326d24d424bc547eb57c343a6f

Analysis

max time kernel
141s
max time network
130s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04/03/2025, 00:44

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General

Target

quarantine/infinity.exe
Size

3.5MB
MD5

f3e33202884d3aff1b011acd7750f4f8
SHA1

7bbd4b1f8384f07ad60683a25cdf82c96d1195b2
SHA256

6223ea95d9ec2d019c0244ffc67b9ad9aabc9db740f08abbded44c8818f928d8
SHA512

92ba9dcabece3c78af129474981e1969d3ac229da7e4fed4d06951e90066694eed954b361e9c951cca2446a1dca3454ae8c90cc01eab5d97fb13e61994b20569
SSDEEP

98304:3ydQ2R33mZIpPoGAy4eyU2ZDbw3bQBTLnJS:a33sfy4e8Z99jJS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral13/memory/2940-80-0x0000000002A10000-0x0000000002AB0000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
1864	infinity.tmp
2940	smartfiledefrag13.exe

Loads dropped DLL 6 IoCs

pid	Process
1600	infinity.exe
1864	infinity.tmp
1864	infinity.tmp
1864	infinity.tmp
1864	infinity.tmp
2940	smartfiledefrag13.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

System Location Discovery: System Language Discovery 1 TTPs 3 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	infinity.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	infinity.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smartfiledefrag13.exe

Modifies system certificate store 2 TTPs 3 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	smartfiledefrag13.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	smartfiledefrag13.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	smartfiledefrag13.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1864	infinity.tmp
1864	infinity.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1864	infinity.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1864	1600	infinity.exe	30
PID 1600 wrote to memory of 1864	1600	infinity.exe	30
PID 1600 wrote to memory of 1864	1600	infinity.exe	30
PID 1600 wrote to memory of 1864	1600	infinity.exe	30
PID 1600 wrote to memory of 1864	1600	infinity.exe	30
PID 1600 wrote to memory of 1864	1600	infinity.exe	30
PID 1600 wrote to memory of 1864	1600	infinity.exe	30
PID 1864 wrote to memory of 2940	1864	infinity.tmp	31
PID 1864 wrote to memory of 2940	1864	infinity.tmp	31
PID 1864 wrote to memory of 2940	1864	infinity.tmp	31
PID 1864 wrote to memory of 2940	1864	infinity.tmp	31

C:\Users\Admin\AppData\Local\Temp\quarantine\infinity.exe
"C:\Users\Admin\AppData\Local\Temp\quarantine\infinity.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\is-FCQ1I.tmp\infinity.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-FCQ1I.tmp\infinity.tmp" /SL5="$5014E,3457933,56832,C:\Users\Admin\AppData\Local\Temp\quarantine\infinity.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1864
- - C:\Users\Admin\AppData\Local\Smart File Defrag 7.1.3\smartfiledefrag13.exe
    "C:\Users\Admin\AppData\Local\Smart File Defrag 7.1.3\smartfiledefrag13.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Modifies system certificate store
    PID:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
71KB

MD5
83142242e97b8953c386f988aa694e4a

SHA1
833ed12fc15b356136dcdd27c61a50f59c5c7d50

SHA256
d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

SHA512
bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

Download Submit
C:\Users\Admin\AppData\Local\Smart File Defrag 7.1.3\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FCQ1I.tmp\infinity.tmp

Filesize
694KB

MD5
a68e919aa98af0107e6c6c200955ef9c

SHA1
c48fc16fab8ab5f59c2619fad6c14c676faee68b

SHA256
8577c42c652797ce0b766cac8e82f0c35b78c24da42a56a0ae5e0fab3353e3f5

SHA512
183bc84d30d16a27ef509eb8fa75ee5687623825825ead596f3dfa6b84e4eb96d1495d54707ef8894e536d0e75717d0baade380b3a9f9a957606d62347de6d99

Download Submit
\Users\Admin\AppData\Local\Smart File Defrag 7.1.3\smartfiledefrag13.exe

Filesize
2.9MB

MD5
b613d3d4eadea3e65bee9f920ffa88a2

SHA1
121451a5d4f2c49d3a194992c4418cf130f6ea74

SHA256
21586cff912594096a699b483df4438523422e97f0d0c47e59a8da2bc4204dcf

SHA512
19c22fd7b322b65eda1ca75b4de281c22727b090a38181ff8c483660e6da071362258a79aee3f7ea01cca4c25bbbeab0ccc4857fb8abab9da412f9fa7c3065b4

Download Submit
\Users\Admin\AppData\Local\Temp\is-M2SR8.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-M2SR8.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1600-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1600-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1600-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1864-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1864-49-0x0000000003BE0000-0x0000000003ECB000-memory.dmp

Filesize
2.9MB

Download
memory/1864-87-0x0000000003BE0000-0x0000000003ECB000-memory.dmp

Filesize
2.9MB

Download
memory/1864-55-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2940-58-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-51-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-62-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-66-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-70-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-74-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-78-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-80-0x0000000002A10000-0x0000000002AB0000-memory.dmp

Filesize
640KB

Download
memory/2940-85-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-59-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2940-90-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-94-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-98-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-102-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-106-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-50-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-148-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/2940-152-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download