bec144503f5c0ac9e7dd131613a04979bd87ddd1c192466e55397cdb90d3b793

Analysis

max time kernel
146s
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
17/09/2024, 09:02

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General

Target

Trojan.Win32.Tinba.GZN.exe
Size

225KB
MD5

2f2cbc591c10ffa6a36a1b4882cb4ff0
SHA1

8d93b4709b18a69609faada6407959b38984ce9d
SHA256

bec144503f5c0ac9e7dd131613a04979bd87ddd1c192466e55397cdb90d3b793
SHA512

1908f7a2186ef43a3bacb289f55a8b1e87298b5b9706aa7579111ab6010db33cdfa45558ed5aa41845e2a29d31fdcd2cc3c559cf41a586ed1e38f4490349923c
SSDEEP

6144:DA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:DATuTAnKGwUAW3ycQqgf

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
1548	4184	WerFault.exe	93
4144	3456	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 use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4184	winver.exe
3456	Trojan.Win32.Tinba.GZN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 4184	3456	Trojan.Win32.Tinba.GZN.exe	93
PID 3456 wrote to memory of 4184	3456	Trojan.Win32.Tinba.GZN.exe	93
PID 3456 wrote to memory of 4184	3456	Trojan.Win32.Tinba.GZN.exe	93
PID 3456 wrote to memory of 4184	3456	Trojan.Win32.Tinba.GZN.exe	93
PID 4184 wrote to memory of 3424	4184	winver.exe	56
PID 3456 wrote to memory of 3424	3456	Trojan.Win32.Tinba.GZN.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- 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 use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3456
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4184
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 300
      4⤵
      Program crash
      PID:1548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 816
    3⤵
    - Program crash
    PID:4144

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4184 -ip 4184
1⤵
PID:872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3456 -ip 3456
1⤵
PID:2560

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

Replay Monitor

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Downloads

memory/3424-5-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3424-10-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/3456-1-0x00000000046C0000-0x0000000004D18000-memory.dmp

Filesize
6.3MB

Download
memory/3456-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/3456-3-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/3456-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3456-13-0x00000000046C0000-0x0000000004D18000-memory.dmp

Filesize
6.3MB

Download