tinba | aac1715c52786b50e4e44d5b14cccefc415ad464dd65f97370f7337056cfe1d6

Analysis

max time kernel
114s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 20:51

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General

Target

aac1715c52786b50e4e44d5b14cccefc415ad464dd65f97370f7337056cfe1d6.exe
Size

45KB
MD5

bb105ce8c851b3b2cb9c6c51a868bf74
SHA1

4642b43c354af1a03e12f8b74588769585570572
SHA256

aac1715c52786b50e4e44d5b14cccefc415ad464dd65f97370f7337056cfe1d6
SHA512

85ef59dc53a3735af1551ea27e7322fe1c1f3e69bdf84b27abdb68e618ded65edefca9d83c82ca4eded8028e382790f5f25d95ac74b2acff66d528dc6bd4d27c
SSDEEP

768:dhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:fsWE9N5dFu53dsniQaB/xZ14n7zIF+qj

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4ABDEDBB = "C:\\Users\\Admin\\AppData\\Roaming\\4ABDEDBB\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1332-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1916	4372	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	aac1715c52786b50e4e44d5b14cccefc415ad464dd65f97370f7337056cfe1d6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4372	winver.exe
4372	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4372	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 4372	1332	aac1715c52786b50e4e44d5b14cccefc415ad464dd65f97370f7337056cfe1d6.exe	84
PID 1332 wrote to memory of 4372	1332	aac1715c52786b50e4e44d5b14cccefc415ad464dd65f97370f7337056cfe1d6.exe	84
PID 1332 wrote to memory of 4372	1332	aac1715c52786b50e4e44d5b14cccefc415ad464dd65f97370f7337056cfe1d6.exe	84
PID 1332 wrote to memory of 4372	1332	aac1715c52786b50e4e44d5b14cccefc415ad464dd65f97370f7337056cfe1d6.exe	84
PID 4372 wrote to memory of 3556	4372	winver.exe	56
PID 4372 wrote to memory of 2656	4372	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
- C:\Users\Admin\AppData\Local\Temp\aac1715c52786b50e4e44d5b14cccefc415ad464dd65f97370f7337056cfe1d6.exe
  "C:\Users\Admin\AppData\Local\Temp\aac1715c52786b50e4e44d5b14cccefc415ad464dd65f97370f7337056cfe1d6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1332
- - 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:4372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 352
      4⤵
      Program crash
      PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4372 -ip 4372
1⤵
PID:4460

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/1332-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1332-1-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/1332-4-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/1332-7-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1332-8-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/2656-12-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3556-3-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3556-2-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3556-5-0x00007FF9F7BED000-0x00007FF9F7BEE000-memory.dmp

Filesize
4KB

Download
memory/4372-6-0x00007FF9F7B50000-0x00007FF9F7D45000-memory.dmp

Filesize
2.0MB

Download
memory/4372-10-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/4372-13-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download