tinba | e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 07:45

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General

Target

e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe
Size

54KB
MD5

e87511c193696bde9ae5cc2cd350bda7
SHA1

917d9334a81b83a14994303365062504eb0f4363
SHA256

e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29
SHA512

256578043c62f166fbcb1c9680a7ff0fd48679dd8cb913ef0ed038848bf52e7b6984327af461a89a8340bc4298cf201094aec31877991a705647ed58e99996c7
SSDEEP

768:B3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBS:55tPusSRJDTlLTOpJiaDjts4gfFi2+A

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\3E7BE0B5 = "C:\\Users\\Admin\\AppData\\Roaming\\3E7BE0B5\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2128 set thread context of 1248	2128	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe
1964	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1964	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2128	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 1248	2128	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	31
PID 2128 wrote to memory of 1248	2128	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	31
PID 2128 wrote to memory of 1248	2128	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	31
PID 2128 wrote to memory of 1248	2128	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	31
PID 2128 wrote to memory of 1248	2128	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	31
PID 2128 wrote to memory of 1248	2128	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	31
PID 2128 wrote to memory of 1248	2128	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	31
PID 1248 wrote to memory of 1964	1248	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	32
PID 1248 wrote to memory of 1964	1248	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	32
PID 1248 wrote to memory of 1964	1248	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	32
PID 1248 wrote to memory of 1964	1248	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	32
PID 1248 wrote to memory of 1964	1248	e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe	32
PID 1964 wrote to memory of 1144	1964	winver.exe	20
PID 1964 wrote to memory of 1072	1964	winver.exe	17
PID 1964 wrote to memory of 1084	1964	winver.exe	18
PID 1964 wrote to memory of 1144	1964	winver.exe	20
PID 1964 wrote to memory of 2040	1964	winver.exe	23
PID 1964 wrote to memory of 1248	1964	winver.exe	31

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1144
- C:\Users\Admin\AppData\Local\Temp\e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe
  "C:\Users\Admin\AppData\Local\Temp\e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Users\Admin\AppData\Local\Temp\e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe
    "C:\Users\Admin\AppData\Local\Temp\e695741f303ba79627353128bc397f9360ce4063260d58d19469bef08ddcaf29.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1248
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:1964

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1072-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1072-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1072-31-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/1084-32-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1084-16-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1144-4-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1144-5-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1144-11-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/1144-10-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1144-35-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1144-19-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1248-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1964-8-0x0000000000590000-0x00000000005A6000-memory.dmp

Filesize
88KB

Download
memory/1964-29-0x00000000772A0000-0x0000000077449000-memory.dmp

Filesize
1.7MB

Download
memory/1964-28-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/1964-6-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1964-3-0x0000000000591000-0x0000000000592000-memory.dmp

Filesize
4KB

Download
memory/1964-36-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1964-42-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2040-23-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2040-34-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/2040-33-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download