tinba | 73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 23:47

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General

Target

73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417.exe
Size

110KB
MD5

6f81f29cea5718b5bbff55649d87b1a4
SHA1

c23cf9126f5149ac176f5558e26eb0b30e353fa5
SHA256

73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417
SHA512

21a9081ac02011db56f423fa30fd5798daa637dbcd5a651203c8989815583a7a37a7dd4401f1383a754bf86e1b5fc13ac34bedf901a0befcf61da8c775072128
SSDEEP

1536:liLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:liyvRmDLs/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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\79433EB1 = "C:\\Users\\Admin\\AppData\\Roaming\\79433EB1\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/776-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
804	winver.exe
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 804	776	73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417.exe	31
PID 776 wrote to memory of 804	776	73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417.exe	31
PID 776 wrote to memory of 804	776	73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417.exe	31
PID 776 wrote to memory of 804	776	73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417.exe	31
PID 776 wrote to memory of 804	776	73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417.exe	31
PID 804 wrote to memory of 1168	804	winver.exe	20
PID 804 wrote to memory of 1072	804	winver.exe	18
PID 804 wrote to memory of 1140	804	winver.exe	19
PID 804 wrote to memory of 1168	804	winver.exe	20
PID 804 wrote to memory of 1756	804	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1140

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1168
- C:\Users\Admin\AppData\Local\Temp\73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417.exe
  "C:\Users\Admin\AppData\Local\Temp\73ba8f418bd699351d43c3600b4558fb2f604f4c7c1819f295fcac37894fc417.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:776
- - 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:804

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1756

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/776-5-0x0000000001B60000-0x0000000002560000-memory.dmp

Filesize
10.0MB

Download
memory/776-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/776-13-0x0000000001B60000-0x0000000002560000-memory.dmp

Filesize
10.0MB

Download
memory/776-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/776-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/804-11-0x0000000077560000-0x0000000077709000-memory.dmp

Filesize
1.7MB

Download
memory/804-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/804-36-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/804-9-0x000000007775F000-0x0000000077761000-memory.dmp

Filesize
8KB

Download
memory/804-8-0x000000007775F000-0x0000000077760000-memory.dmp

Filesize
4KB

Download
memory/804-7-0x0000000077760000-0x0000000077761000-memory.dmp

Filesize
4KB

Download
memory/804-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1072-26-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1072-25-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1140-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1140-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-22-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1168-4-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1168-3-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1168-10-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1168-2-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1756-29-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1756-24-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1756-33-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1756-28-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download