tinba | 7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 00:51

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General

Target

7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe
Size

89KB
MD5

1d95a0629c73e5c1f62e57842220a52b
SHA1

fb36e2f3608b053c4bcf2637a86e41f616c111c1
SHA256

7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311
SHA512

4e773fa8485926daa1743b8f6a551fbb1c01c74c31e8f372285d80ef7a2b266187d8120915542d653269abaee0818a471c4bc13bf3322a50f342bc9ab20ba931
SSDEEP

1536:I1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7q:c+4MJIkLZJNAQ9Jo9q

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\72B49187 = "C:\\Users\\Admin\\AppData\\Roaming\\72B49187\\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/2360-0-0x0000000000400000-0x0000000000418000-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	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3020	winver.exe
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 3020	2360	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe	32
PID 2360 wrote to memory of 3020	2360	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe	32
PID 2360 wrote to memory of 3020	2360	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe	32
PID 2360 wrote to memory of 3020	2360	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe	32
PID 2360 wrote to memory of 3020	2360	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe	32
PID 3020 wrote to memory of 1228	3020	winver.exe	21
PID 3020 wrote to memory of 1108	3020	winver.exe	19
PID 3020 wrote to memory of 1172	3020	winver.exe	20
PID 3020 wrote to memory of 1228	3020	winver.exe	21
PID 3020 wrote to memory of 1080	3020	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1228
- C:\Users\Admin\AppData\Local\Temp\7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe
  "C:\Users\Admin\AppData\Local\Temp\7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - 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:3020

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1080

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/1080-26-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1080-24-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1080-27-0x0000000077C51000-0x0000000077C52000-memory.dmp

Filesize
4KB

Download
memory/1108-28-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1108-29-0x0000000077C51000-0x0000000077C52000-memory.dmp

Filesize
4KB

Download
memory/1172-20-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1172-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1228-2-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1228-25-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1228-4-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1228-10-0x0000000077C51000-0x0000000077C52000-memory.dmp

Filesize
4KB

Download
memory/1228-3-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1228-22-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/2360-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2360-13-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2360-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2360-5-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2360-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3020-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/3020-7-0x0000000077E00000-0x0000000077E01000-memory.dmp

Filesize
4KB

Download
memory/3020-8-0x0000000077DFF000-0x0000000077E00000-memory.dmp

Filesize
4KB

Download
memory/3020-9-0x0000000077DFF000-0x0000000077E01000-memory.dmp

Filesize
8KB

Download
memory/3020-11-0x0000000077C00000-0x0000000077DA9000-memory.dmp

Filesize
1.7MB

Download
memory/3020-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download