tinba | 1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efb

Analysis

max time kernel
118s
max time network
115s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
09/11/2024, 09:02

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General

Target

1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efbN.exe
Size

45KB
MD5

7783fe66d43251db8936d73eada56db0
SHA1

9b205818acb905266a3f08e4a50ecdbd3fed5c56
SHA256

1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efb
SHA512

33568d1b5b022a133571571bfbe60230a20a53d76bc7596b35fcd39f29d46884cf536be4e4e15a2f3d1c1576c52ea82c3757d60acbe806907444f9232a5619d3
SSDEEP

768:HhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:BsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\9B73DEA3 = "C:\\Users\\Admin\\AppData\\Roaming\\9B73DEA3\\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/2244-0-0x0000000000400000-0x000000000041D000-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	1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efbN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe
2960	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2960	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2960	2244	1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efbN.exe	31
PID 2244 wrote to memory of 2960	2244	1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efbN.exe	31
PID 2244 wrote to memory of 2960	2244	1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efbN.exe	31
PID 2244 wrote to memory of 2960	2244	1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efbN.exe	31
PID 2244 wrote to memory of 2960	2244	1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efbN.exe	31
PID 2960 wrote to memory of 1200	2960	winver.exe	21
PID 2960 wrote to memory of 1116	2960	winver.exe	19
PID 2960 wrote to memory of 1168	2960	winver.exe	20
PID 2960 wrote to memory of 1200	2960	winver.exe	21
PID 2960 wrote to memory of 1716	2960	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efbN.exe
  "C:\Users\Admin\AppData\Local\Temp\1983994455a3fa02b4604a866047bba04ee43f3b9d73e2193664b48de0176efbN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2244
- - 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:2960

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1716

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/1116-27-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1116-19-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1116-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1168-22-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1168-30-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1200-4-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1200-33-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1200-24-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1716-31-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/1716-34-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1716-26-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/1716-39-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/1716-32-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/2244-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2244-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2244-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2244-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2244-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2960-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2960-7-0x0000000076F80000-0x0000000076F81000-memory.dmp

Filesize
4KB

Download
memory/2960-8-0x0000000076F7F000-0x0000000076F80000-memory.dmp

Filesize
4KB

Download
memory/2960-9-0x0000000076F7F000-0x0000000076F81000-memory.dmp

Filesize
8KB

Download
memory/2960-35-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2960-11-0x0000000076D80000-0x0000000076F29000-memory.dmp

Filesize
1.7MB

Download