tinba | 66ad39f70f3f5b600fe32cddab2c0a81d8cf5d488ba3b70b29ebead2819d5266

Analysis

max time kernel
103s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 13:20

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General

Target

66ad39f70f3f5b600fe32cddab2c0a81d8cf5d488ba3b70b29ebead2819d5266.exe
Size

88KB
MD5

b0b0a3987439147da1d85c85cd2bcb28
SHA1

c5dce884118d07cdfaed570a77d873ac7667250f
SHA256

66ad39f70f3f5b600fe32cddab2c0a81d8cf5d488ba3b70b29ebead2819d5266
SHA512

5eefb877ed7a9a7103d1acc735de18b369de817c27353ebee5d8535f210342aa53443db28f80ca6fb462c7e618315631e678bba2441b30564f6c37f7dee7d7a9
SSDEEP

1536:95nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:95fvp12UFKcD/6jwqWsNI

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\098BE2AB = "C:\\Users\\Admin\\AppData\\Roaming\\098BE2AB\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1584	3848	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	66ad39f70f3f5b600fe32cddab2c0a81d8cf5d488ba3b70b29ebead2819d5266.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3848	winver.exe
3848	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3848	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 3848	3032	66ad39f70f3f5b600fe32cddab2c0a81d8cf5d488ba3b70b29ebead2819d5266.exe	84
PID 3032 wrote to memory of 3848	3032	66ad39f70f3f5b600fe32cddab2c0a81d8cf5d488ba3b70b29ebead2819d5266.exe	84
PID 3032 wrote to memory of 3848	3032	66ad39f70f3f5b600fe32cddab2c0a81d8cf5d488ba3b70b29ebead2819d5266.exe	84
PID 3032 wrote to memory of 3848	3032	66ad39f70f3f5b600fe32cddab2c0a81d8cf5d488ba3b70b29ebead2819d5266.exe	84
PID 3848 wrote to memory of 3428	3848	winver.exe	56
PID 3848 wrote to memory of 2972	3848	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2972

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\66ad39f70f3f5b600fe32cddab2c0a81d8cf5d488ba3b70b29ebead2819d5266.exe
  "C:\Users\Admin\AppData\Local\Temp\66ad39f70f3f5b600fe32cddab2c0a81d8cf5d488ba3b70b29ebead2819d5266.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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:3848
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 352
      4⤵
      Program crash
      PID:1584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3848 -ip 3848
1⤵
PID:1736

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

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Downloads

memory/2972-12-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3032-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/3032-3-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/3032-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3032-8-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/3428-2-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3428-1-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3428-5-0x00007FFB9484D000-0x00007FFB9484E000-memory.dmp

Filesize
4KB

Download
memory/3848-4-0x0000000077A52000-0x0000000077A53000-memory.dmp

Filesize
4KB

Download
memory/3848-6-0x00007FFB947B0000-0x00007FFB949A5000-memory.dmp

Filesize
2.0MB

Download
memory/3848-10-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/3848-13-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download