46aa9f72c05e491358d444d55e9c93c22c0be00d97748d0cdd461896a4eb4bc6

Analysis

max time kernel
104s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/09/2024, 05:30

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General

Target
Trojan.Win32.Tinba.GZN.exe
Size 237KB
Sample240916-f7lbps1cqq
SHA256 46aa9f72c05e491358d444d55e9c93c22c0be00d97748d0cdd461896a4eb4bc6
MD5 5c893e6477107587d123acfffc3e9770
SHA1 f7b34c1596a00b2cc535782ecc788063ef795096
SHA512 df9abfd1dbd7ae24ee76989cf1b7b1d243a88a6ee851c2956bd6d5fa63ef574913910d132a06d9dbc6542c61c1003658eb4b08488551924ba14c66ab49b2031e
SSDEEP 6144:6A2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:6ATuTAnKGwUAWVycQqgj
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3680	4864	WerFault.exe	93
2428	2568	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 2 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	Trojan.Win32.Tinba.GZN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2568	Trojan.Win32.Tinba.GZN.exe
2568	Trojan.Win32.Tinba.GZN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4864	winver.exe
2568	Trojan.Win32.Tinba.GZN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 4864	2568	Trojan.Win32.Tinba.GZN.exe	93
PID 2568 wrote to memory of 4864	2568	Trojan.Win32.Tinba.GZN.exe	93
PID 2568 wrote to memory of 4864	2568	Trojan.Win32.Tinba.GZN.exe	93
PID 2568 wrote to memory of 4864	2568	Trojan.Win32.Tinba.GZN.exe	93
PID 4864 wrote to memory of 3376	4864	winver.exe	55
PID 2568 wrote to memory of 3376	2568	Trojan.Win32.Tinba.GZN.exe	55
PID 2568 wrote to memory of 2640	2568	Trojan.Win32.Tinba.GZN.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3376
- C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Tinba.GZN.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Tinba.GZN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 300
      4⤵
      Program crash
      PID:3680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 1000
    3⤵
    - Program crash
    PID:2428

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4864 -ip 4864
1⤵
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2568 -ip 2568
1⤵
PID:2196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2568-1-0x00000000045E0000-0x0000000004C38000-memory.dmp

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memory/2568-2-0x00000000044B0000-0x00000000044B1000-memory.dmp

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memory/2568-6-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/2568-11-0x0000000005A30000-0x0000000006430000-memory.dmp

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memory/2568-17-0x00000000045E0000-0x0000000004C38000-memory.dmp

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memory/2568-14-0x0000000005A30000-0x0000000006430000-memory.dmp

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memory/2640-12-0x00000000006E0000-0x00000000006E6000-memory.dmp

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memory/2640-18-0x00000000006E0000-0x00000000006E6000-memory.dmp

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memory/3376-4-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

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memory/3376-5-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

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memory/3376-10-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

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