tinba | 6fa75f281d25b20ba732cd581c0b920533a7e7d0530e622fcfd19ae55571ffe3

Analysis

max time kernel
108s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 20:55

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General

Target

6fa75f281d25b20ba732cd581c0b920533a7e7d0530e622fcfd19ae55571ffe3.exe
Size

88KB
MD5

30db9986defeb0eeea6a4b750cb088ce
SHA1

50ae259fbbe198a9143c21039b4bf3ab5c8c993b
SHA256

6fa75f281d25b20ba732cd581c0b920533a7e7d0530e622fcfd19ae55571ffe3
SHA512

73f0a98af84ae91567ae5576a17970da3c845a1429ac0cb07f7cb65d37b054dd11205b876aa5bbc2915c912aa175b82c00d5dfe0ada20eb64374fbe1cf2f183a
SSDEEP

1536:0z44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsNI:0zvokZR/KM/ysjwqWsNI

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0DBE2ACC = "C:\\Users\\Admin\\AppData\\Roaming\\0DBE2ACC\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4672	4000	WerFault.exe	84

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	6fa75f281d25b20ba732cd581c0b920533a7e7d0530e622fcfd19ae55571ffe3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4000	winver.exe
4000	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4000	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4000	4712	6fa75f281d25b20ba732cd581c0b920533a7e7d0530e622fcfd19ae55571ffe3.exe	84
PID 4712 wrote to memory of 4000	4712	6fa75f281d25b20ba732cd581c0b920533a7e7d0530e622fcfd19ae55571ffe3.exe	84
PID 4712 wrote to memory of 4000	4712	6fa75f281d25b20ba732cd581c0b920533a7e7d0530e622fcfd19ae55571ffe3.exe	84
PID 4712 wrote to memory of 4000	4712	6fa75f281d25b20ba732cd581c0b920533a7e7d0530e622fcfd19ae55571ffe3.exe	84
PID 4000 wrote to memory of 3536	4000	winver.exe	56
PID 4000 wrote to memory of 2656	4000	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\6fa75f281d25b20ba732cd581c0b920533a7e7d0530e622fcfd19ae55571ffe3.exe
  "C:\Users\Admin\AppData\Local\Temp\6fa75f281d25b20ba732cd581c0b920533a7e7d0530e622fcfd19ae55571ffe3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4000
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 352
      4⤵
      Program crash
      PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4000 -ip 4000
1⤵
PID:4512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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/2656-13-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/3536-1-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3536-6-0x00007FFB7C7EC000-0x00007FFB7C7ED000-memory.dmp

Filesize
4KB

Download
memory/3536-5-0x00007FFB7C7ED000-0x00007FFB7C7EE000-memory.dmp

Filesize
4KB

Download
memory/4000-11-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/4000-14-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/4000-4-0x0000000077C72000-0x0000000077C73000-memory.dmp

Filesize
4KB

Download
memory/4000-7-0x00007FFB7C750000-0x00007FFB7C945000-memory.dmp

Filesize
2.0MB

Download
memory/4712-3-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4712-9-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4712-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4712-0-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download