tinba | 8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5

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
19-12-2024 01:34

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General

Target

8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5N.exe
Size

45KB
MD5

be3093753f21b22af79bf21e14b87570
SHA1

f23573c34d5ef2fffccfec42ef130dc68626e1d0
SHA256

8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5
SHA512

168707d9f15750f2cd7d8d87b562994a3676e3ad7065dd9148955f335bdf9b6970c73910a19cbc91f6d1eba6492af7c1c8fe6f96ffc69b42f896b55140254b34
SSDEEP

768:dhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:fsWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\3AC6CB75 = "C:\\Users\\Admin\\AppData\\Roaming\\3AC6CB75\\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/2148-0-0x0000000000400000-0x000000000041D000-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	8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe
2056	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2056	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2056	2148	8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5N.exe	31
PID 2148 wrote to memory of 2056	2148	8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5N.exe	31
PID 2148 wrote to memory of 2056	2148	8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5N.exe	31
PID 2148 wrote to memory of 2056	2148	8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5N.exe	31
PID 2148 wrote to memory of 2056	2148	8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5N.exe	31
PID 2056 wrote to memory of 1196	2056	winver.exe	21
PID 2056 wrote to memory of 1116	2056	winver.exe	19
PID 2056 wrote to memory of 1160	2056	winver.exe	20
PID 2056 wrote to memory of 1196	2056	winver.exe	21
PID 2056 wrote to memory of 1608	2056	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5N.exe
  "C:\Users\Admin\AppData\Local\Temp\8f280c936450e15f81efb812e5ac40bdbbd2ce2eb7f4f7fb2a2250e36537b4d5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2148
- - 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:2056

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1608

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/1116-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x0000000077B01000-0x0000000077B02000-memory.dmp

Filesize
4KB

Download
memory/1160-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077B01000-0x0000000077B02000-memory.dmp

Filesize
4KB

Download
memory/1196-4-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1608-30-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download
memory/1608-31-0x0000000077B01000-0x0000000077B02000-memory.dmp

Filesize
4KB

Download
memory/1608-24-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download
memory/2056-11-0x0000000077AB0000-0x0000000077C59000-memory.dmp

Filesize
1.7MB

Download
memory/2056-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2056-7-0x0000000077CB0000-0x0000000077CB1000-memory.dmp

Filesize
4KB

Download
memory/2056-8-0x0000000077CAF000-0x0000000077CB0000-memory.dmp

Filesize
4KB

Download
memory/2056-9-0x0000000077CAF000-0x0000000077CB1000-memory.dmp

Filesize
8KB

Download
memory/2056-29-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2148-13-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2148-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2148-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2148-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2148-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download