tinba | d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 08:10

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General

Target

d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe
Size

45KB
MD5

fb0450d3922436804f73009d563ec84d
SHA1

7ef342e65a5d6684764594972107f9a40edf8f78
SHA256

d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831
SHA512

6f141dede378e43f118289ca7d4a91ebbcccab91fd881c441a1391c284110f5dedf0808c95415d91a92cf99093991baa9a1c06286d071be4a7f2305a5261ae36
SSDEEP

768:dhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2n:fsWE9N5dFu53dsniQaB/xZ14n7zIF+qz

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D2698926 = "C:\\Users\\Admin\\AppData\\Roaming\\D2698926\\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/3636-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3176	4960	WerFault.exe	83

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	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4960	winver.exe
4960	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4960	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 4960	3636	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe	83
PID 3636 wrote to memory of 4960	3636	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe	83
PID 3636 wrote to memory of 4960	3636	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe	83
PID 3636 wrote to memory of 4960	3636	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe	83
PID 4960 wrote to memory of 3368	4960	winver.exe	56
PID 4960 wrote to memory of 2860	4960	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2860

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3368
- C:\Users\Admin\AppData\Local\Temp\d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe
  "C:\Users\Admin\AppData\Local\Temp\d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3636
- - 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:4960
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 352
      4⤵
      Program crash
      PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4960 -ip 4960
1⤵
PID:2988

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/2860-13-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3368-6-0x00007FF9206CD000-0x00007FF9206CE000-memory.dmp

Filesize
4KB

Download
memory/3368-2-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3368-3-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3636-9-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/3636-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/3636-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3636-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3636-1-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/4960-5-0x00000000778E2000-0x00000000778E3000-memory.dmp

Filesize
4KB

Download
memory/4960-7-0x00007FF920630000-0x00007FF920825000-memory.dmp

Filesize
2.0MB

Download
memory/4960-11-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/4960-14-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download