tinba | 141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 15:18

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General

Target

141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe
Size

34KB
MD5

649c084c2c8b386c049de91c64e5e330
SHA1

5791fc0dffd391aea6d32d7a29afa8106361e44e
SHA256

141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793
SHA512

415bdeacc162f433726cf1b3996619cb7e57d09bf092e2e487c90899b5aab118f9bbcd24a5277ff8502d0f108d017688557e29e695e64f97989013fd1fb5bb9f
SSDEEP

768:xp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:xpYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\338A4225 = "C:\\Users\\Admin\\AppData\\Roaming\\338A4225\\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/2544-0-0x0000000000400000-0x0000000000417000-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	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2344	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2344	2544	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe	32
PID 2544 wrote to memory of 2344	2544	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe	32
PID 2544 wrote to memory of 2344	2544	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe	32
PID 2544 wrote to memory of 2344	2544	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe	32
PID 2544 wrote to memory of 2344	2544	141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe	32
PID 2344 wrote to memory of 1196	2344	winver.exe	21
PID 2344 wrote to memory of 1104	2344	winver.exe	19
PID 2344 wrote to memory of 1152	2344	winver.exe	20
PID 2344 wrote to memory of 1196	2344	winver.exe	21
PID 2344 wrote to memory of 836	2344	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe
  "C:\Users\Admin\AppData\Local\Temp\141f7cc06618c20466f7ae0a5e2324c497f07512287b4a47403c11333feed793N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - 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:2344

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:836

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/836-28-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/836-29-0x0000000076F41000-0x0000000076F42000-memory.dmp

Filesize
4KB

Download
memory/836-25-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/1104-27-0x0000000076F41000-0x0000000076F42000-memory.dmp

Filesize
4KB

Download
memory/1104-26-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1152-36-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-31-0x0000000076F41000-0x0000000076F42000-memory.dmp

Filesize
4KB

Download
memory/1196-33-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000076F41000-0x0000000076F42000-memory.dmp

Filesize
4KB

Download
memory/1196-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/2344-7-0x00000000770F0000-0x00000000770F1000-memory.dmp

Filesize
4KB

Download
memory/2344-9-0x00000000770EF000-0x00000000770F1000-memory.dmp

Filesize
8KB

Download
memory/2344-8-0x00000000770EF000-0x00000000770F0000-memory.dmp

Filesize
4KB

Download
memory/2344-32-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/2344-6-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/2344-11-0x0000000076EF0000-0x0000000077099000-memory.dmp

Filesize
1.7MB

Download
memory/2344-38-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2544-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2544-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2544-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2544-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2544-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download