tinba | 9492ab9274aa8e314ccbf432346021a80931f4fdc4f8838489838b8c4ee951b3

Analysis

max time kernel
139s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 02:24

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General

Target

9492ab9274aa8e314ccbf432346021a80931f4fdc4f8838489838b8c4ee951b3.exe
Size

110KB
MD5

bb57811673cedb79c1c4c5c23c01c051
SHA1

9160ff2e81922ba7483fbaaf6cf549642a561e29
SHA256

9492ab9274aa8e314ccbf432346021a80931f4fdc4f8838489838b8c4ee951b3
SHA512

7071d691dec8de9ec9539bb31152b6fc3fcce91a2a47ba8393a1b99299c497e132d688e7b92a50912372d8a4ae1f7a17f8f568535fd86be4d31d94fc5d1d6ca7
SSDEEP

1536:viLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:viyvRmDLs/ZrwWJjAqGcRJ2hA

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\45515FC0 = "C:\\Users\\Admin\\AppData\\Roaming\\45515FC0\\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/676-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3704	1508	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	9492ab9274aa8e314ccbf432346021a80931f4fdc4f8838489838b8c4ee951b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1508	winver.exe
1508	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1508	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 1508	676	9492ab9274aa8e314ccbf432346021a80931f4fdc4f8838489838b8c4ee951b3.exe	84
PID 676 wrote to memory of 1508	676	9492ab9274aa8e314ccbf432346021a80931f4fdc4f8838489838b8c4ee951b3.exe	84
PID 676 wrote to memory of 1508	676	9492ab9274aa8e314ccbf432346021a80931f4fdc4f8838489838b8c4ee951b3.exe	84
PID 676 wrote to memory of 1508	676	9492ab9274aa8e314ccbf432346021a80931f4fdc4f8838489838b8c4ee951b3.exe	84
PID 1508 wrote to memory of 3520	1508	winver.exe	56
PID 1508 wrote to memory of 2544	1508	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\9492ab9274aa8e314ccbf432346021a80931f4fdc4f8838489838b8c4ee951b3.exe
  "C:\Users\Admin\AppData\Local\Temp\9492ab9274aa8e314ccbf432346021a80931f4fdc4f8838489838b8c4ee951b3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:676
- - 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:1508
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 352
      4⤵
      Program crash
      PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1508 -ip 1508
1⤵
PID:3160

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/676-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/676-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/676-10-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/676-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/676-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/1508-5-0x0000000077B12000-0x0000000077B13000-memory.dmp

Filesize
4KB

Download
memory/1508-7-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

Filesize
2.0MB

Download
memory/1508-12-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/1508-15-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/2544-14-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFE2EDCD000-0x00007FFE2EDCE000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x00000000022A0000-0x00000000022A6000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x00000000022A0000-0x00000000022A6000-memory.dmp

Filesize
24KB

Download