tinba | 3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/01/2025, 08:32

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General

Target

3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe
Size

54KB
MD5

69f776613decfe0881a2b70843d64420
SHA1

9ecc5e4ea25e93a733ca1911ea63196acf3cb68b
SHA256

3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53
SHA512

2934f9b94949d8b81da9b39d9aabbec16a1bd954af26e87fe693621c3b1331e79042ab5b51714c39407529eee95586a8766a7afc8ed69e678dc4ae60a664dd58
SSDEEP

768:j3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBS:b5tPusSRJDTlLTOpJiaDjts4gfFi2+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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\48247A4B = "C:\\Users\\Admin\\AppData\\Roaming\\48247A4B\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2220 set thread context of 2384	2220	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	29

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	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe
928	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
928	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2220	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2384	2220	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	29
PID 2220 wrote to memory of 2384	2220	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	29
PID 2220 wrote to memory of 2384	2220	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	29
PID 2220 wrote to memory of 2384	2220	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	29
PID 2220 wrote to memory of 2384	2220	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	29
PID 2220 wrote to memory of 2384	2220	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	29
PID 2220 wrote to memory of 2384	2220	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	29
PID 2384 wrote to memory of 928	2384	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	30
PID 2384 wrote to memory of 928	2384	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	30
PID 2384 wrote to memory of 928	2384	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	30
PID 2384 wrote to memory of 928	2384	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	30
PID 2384 wrote to memory of 928	2384	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	30
PID 928 wrote to memory of 1220	928	winver.exe	21
PID 928 wrote to memory of 1108	928	winver.exe	19
PID 928 wrote to memory of 1164	928	winver.exe	20
PID 928 wrote to memory of 1220	928	winver.exe	21
PID 928 wrote to memory of 1244	928	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:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe
  "C:\Users\Admin\AppData\Local\Temp\3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Users\Admin\AppData\Local\Temp\3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe
    "C:\Users\Admin\AppData\Local\Temp\3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2384
  - - 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:928

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1244

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/928-24-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/928-37-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/928-7-0x0000000000341000-0x0000000000342000-memory.dmp

Filesize
4KB

Download
memory/928-5-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/928-28-0x0000000077C90000-0x0000000077E39000-memory.dmp

Filesize
1.7MB

Download
memory/928-9-0x0000000000340000-0x0000000000356000-memory.dmp

Filesize
88KB

Download
memory/1108-25-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/1108-26-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1108-14-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1164-16-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1220-10-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1220-3-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1220-18-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1220-4-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1220-31-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1220-8-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1244-21-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1244-29-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1244-30-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/2384-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download