socks5systemz | 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc

Analysis

max time kernel
142s
max time network
129s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
11/08/2024, 13:59

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General

Target
6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe
Size 3.9MB
Sample240811-ratglasemn
SHA256 6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc
MD5 690fae623efdfc5fe8600da2db11032e
SHA1 dd3774c44b3aaa6fe63fcd11b6adb1a00d20a3fc
SHA512 47828aebcc69178c3972812f5ced40c2658ae68d08e7db22b7ce8f78d104a7153cdfe38761fe29008fe02ed8b4f22cddaebcf9360f459b183a478dfd23a855b3
SSDEEP 98304:NbvL6OJzqJTZ5sGYcCbq44XbLHwQInR+4QUe9tuj8nTkxvEdh:FL6YqdsLKLUQInRC9tujgy8L
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2996-84-0x0000000000A30000-0x0000000000AD2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp
3848	xulplayer32.exe
2996	xulplayer32.exe

Loads dropped DLL 3 IoCs

pid	Process
1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp
1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp
1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.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	141.98.234.31

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 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	xulplayer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xulplayer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp
1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 1512	956	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe	81
PID 956 wrote to memory of 1512	956	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe	81
PID 956 wrote to memory of 1512	956	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe	81
PID 1512 wrote to memory of 3848	1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp	83
PID 1512 wrote to memory of 3848	1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp	83
PID 1512 wrote to memory of 3848	1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp	83
PID 1512 wrote to memory of 2996	1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp	84
PID 1512 wrote to memory of 2996	1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp	84
PID 1512 wrote to memory of 2996	1512	6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp	84

C:\Users\Admin\AppData\Local\Temp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe
"C:\Users\Admin\AppData\Local\Temp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:956
- C:\Users\Admin\AppData\Local\Temp\is-MSC9T.tmp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-MSC9T.tmp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp" /SL5="$A0250,3805313,54272,C:\Users\Admin\AppData\Local\Temp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.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:1512
- - C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
    "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3848
- - C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
    "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

_iscrypt.dll

Path C:\Users\Admin\AppData\Local\Temp\is-JH4H3.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

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_isdecmp.dll

Path C:\Users\Admin\AppData\Local\Temp\is-JH4H3.tmp\_isetup\_isdecmp.dll
Size 13KB
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
SSDEEP 384:BXvhMwoSitz/bjx7yxnbdn+EHvbsHoOODCg:BZ7FEAbd+EDsIO
MD5 SHA1 SHA512 SSDEEP

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6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-MSC9T.tmp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp
Size 692KB
SHA256 4dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60
MD5 4a034cc8809b92775041cc5a46c52ab0
SHA1 3f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d
SHA512 e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6
SSDEEP 12288:thu7eEcdCP8trP837szHUA6JCzS9Ntc3l3ER6orNjURuFDExyF:Pu7eEYCP8trP837szHUA60SLtcV3E9DT
MD5 SHA1 SHA512 SSDEEP

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xulplayer32.exe

Path C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
Size 3.1MB
SHA256 026d25f139c4cd24a851bde755d7b71df87f587267a4b3933d4ff411fbd267ff
MD5 ee4aa8aad716780c2495fed8ae680fe9
SHA1 84c4b20bd53ce15f6f2eb13a17df0f22d8b48d0c
SHA512 fd78d3e8a526dfb82d5d98c25c821a5a1441a89475fc13d763b27e087e8d9c9ddcdb16df3c042ae4662d722aadd6420c386d58dc43bb85df1802b2e8147a8d01
SSDEEP 49152:/26iMe26i0e26iq26iCbmL26i8Hq26i2wj26iUl26i9au0AVaW+jcx4sj9Jw+tJb:m2C5Uau0hfjcx4s5JhtJmdm
MD5 SHA1 SHA512 SSDEEP

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memory/956-67-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/956-2-0x0000000000401000-0x000000000040B000-memory.dmp

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memory/956-0-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/1512-9-0x0000000000400000-0x00000000004BD000-memory.dmp

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memory/1512-68-0x0000000000400000-0x00000000004BD000-memory.dmp

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memory/2996-91-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-81-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-66-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-113-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-110-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-69-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-72-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-75-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-78-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-106-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-84-0x0000000000A30000-0x0000000000AD2000-memory.dmp

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memory/2996-86-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-103-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-94-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-97-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/2996-100-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/3848-58-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/3848-63-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/3848-59-0x0000000000400000-0x0000000000717000-memory.dmp

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memory/3848-60-0x0000000000400000-0x0000000000717000-memory.dmp

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