tinba | 00e61a99889fd0f148d61162e012fbe35cc2fe397c1d4bff7ba908f91456d1bb

Analysis

max time kernel
118s
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 01:29

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General

Target

00e61a99889fd0f148d61162e012fbe35cc2fe397c1d4bff7ba908f91456d1bb.exe
Size

45KB
MD5

a1ae80d6cc39e8111cc5cbe18c68c34a
SHA1

53fcf5b5b67ba7e26d3696bfc1bcdbfcc850c209
SHA256

00e61a99889fd0f148d61162e012fbe35cc2fe397c1d4bff7ba908f91456d1bb
SHA512

12b46229ea9c2cdd82227ab03c36a70438c69f6fd3e962d66b74d009b65eaddd8c94c35b845e008c05e658937a2bdc784bd0c9f706d1a68d366da1bc976bc3fd
SSDEEP

768:nhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:hsWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DBEB22F7 = "C:\\Users\\Admin\\AppData\\Roaming\\DBEB22F7\\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/2680-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1572	3856	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	00e61a99889fd0f148d61162e012fbe35cc2fe397c1d4bff7ba908f91456d1bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3856	winver.exe
3856	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3856	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 3856	2680	00e61a99889fd0f148d61162e012fbe35cc2fe397c1d4bff7ba908f91456d1bb.exe	84
PID 2680 wrote to memory of 3856	2680	00e61a99889fd0f148d61162e012fbe35cc2fe397c1d4bff7ba908f91456d1bb.exe	84
PID 2680 wrote to memory of 3856	2680	00e61a99889fd0f148d61162e012fbe35cc2fe397c1d4bff7ba908f91456d1bb.exe	84
PID 2680 wrote to memory of 3856	2680	00e61a99889fd0f148d61162e012fbe35cc2fe397c1d4bff7ba908f91456d1bb.exe	84
PID 3856 wrote to memory of 3436	3856	winver.exe	56
PID 3856 wrote to memory of 2996	3856	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2996

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\00e61a99889fd0f148d61162e012fbe35cc2fe397c1d4bff7ba908f91456d1bb.exe
  "C:\Users\Admin\AppData\Local\Temp\00e61a99889fd0f148d61162e012fbe35cc2fe397c1d4bff7ba908f91456d1bb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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:3856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 352
      4⤵
      Program crash
      PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3856 -ip 3856
1⤵
PID:2940

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/2680-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2680-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2680-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2680-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/2680-10-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/2996-14-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000001620000-0x0000000001626000-memory.dmp

Filesize
24KB

Download
memory/3436-7-0x00007FF9B3B0D000-0x00007FF9B3B0E000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000001620000-0x0000000001626000-memory.dmp

Filesize
24KB

Download
memory/3856-5-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/3856-8-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/3856-6-0x00000000773E2000-0x00000000773E3000-memory.dmp

Filesize
4KB

Download
memory/3856-15-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download