tinba | d780de2e67fc7660a536473920dc3c703c6a4f56cbd0466e302c8258a1a26526

Analysis

max time kernel
115s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 04:43

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General

Target

d780de2e67fc7660a536473920dc3c703c6a4f56cbd0466e302c8258a1a26526N.exe
Size

45KB
MD5

a9f05bb29ce259deab61eba28199dba0
SHA1

78bc586c82b69c15f5b024a917d703458da5655b
SHA256

d780de2e67fc7660a536473920dc3c703c6a4f56cbd0466e302c8258a1a26526
SHA512

1f91e7ea440e36851504543520c7cc0d19a346aba9c65d39a4fe69fc415a266cc7870c5673f5d19b64bb6979400a32524048829265c5db2d31a4d7c34273a70c
SSDEEP

768:ihP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:OsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\36EC0D25 = "C:\\Users\\Admin\\AppData\\Roaming\\36EC0D25\\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/2488-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1936	4972	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	d780de2e67fc7660a536473920dc3c703c6a4f56cbd0466e302c8258a1a26526N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4972	winver.exe
4972	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3632	Explorer.EXE
Token: SeCreatePagefilePrivilege	3632	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4972	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 4972	2488	d780de2e67fc7660a536473920dc3c703c6a4f56cbd0466e302c8258a1a26526N.exe	84
PID 2488 wrote to memory of 4972	2488	d780de2e67fc7660a536473920dc3c703c6a4f56cbd0466e302c8258a1a26526N.exe	84
PID 2488 wrote to memory of 4972	2488	d780de2e67fc7660a536473920dc3c703c6a4f56cbd0466e302c8258a1a26526N.exe	84
PID 2488 wrote to memory of 4972	2488	d780de2e67fc7660a536473920dc3c703c6a4f56cbd0466e302c8258a1a26526N.exe	84
PID 4972 wrote to memory of 3632	4972	winver.exe	56
PID 4972 wrote to memory of 2612	4972	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3632
- C:\Users\Admin\AppData\Local\Temp\d780de2e67fc7660a536473920dc3c703c6a4f56cbd0466e302c8258a1a26526N.exe
  "C:\Users\Admin\AppData\Local\Temp\d780de2e67fc7660a536473920dc3c703c6a4f56cbd0466e302c8258a1a26526N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2488
- - 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:4972
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 352
      4⤵
      Program crash
      PID:1936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4972 -ip 4972
1⤵
PID:3112

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/2488-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2488-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2488-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2488-4-0x0000000002160000-0x0000000002B60000-memory.dmp

Filesize
10.0MB

Download
memory/2488-9-0x0000000002160000-0x0000000002B60000-memory.dmp

Filesize
10.0MB

Download
memory/2612-13-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3632-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3632-6-0x00007FFCBCC0D000-0x00007FFCBCC0E000-memory.dmp

Filesize
4KB

Download
memory/3632-3-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4972-7-0x00007FFCBCB70000-0x00007FFCBCD65000-memory.dmp

Filesize
2.0MB

Download
memory/4972-5-0x00000000774E2000-0x00000000774E3000-memory.dmp

Filesize
4KB

Download
memory/4972-11-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download
memory/4972-14-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download