tinba | faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 18:28

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General

Target

faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe
Size

54KB
MD5

5e37ea3ab68e7f1b1d94d2ab50c078c8
SHA1

cf500885bcde345b0ff119c39fbf7b08589e3826
SHA256

faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac
SHA512

1c736869a2012d254ae7edab1c2e963277cf72c3775cf16b20356e77d1abd382ff104eb4c032199c65503bd5afd3283b6d9d99fa85849a9a320dbe021f63aa26
SSDEEP

768:93CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBC:t5tPusSRJDTlLTOpJiaDjts4gfFi2+g

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\7D998BB0 = "C:\\Users\\Admin\\AppData\\Roaming\\7D998BB0\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 920	2928	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	30

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	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe
2508	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2508	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2928	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 920	2928	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	30
PID 2928 wrote to memory of 920	2928	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	30
PID 2928 wrote to memory of 920	2928	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	30
PID 2928 wrote to memory of 920	2928	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	30
PID 2928 wrote to memory of 920	2928	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	30
PID 2928 wrote to memory of 920	2928	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	30
PID 2928 wrote to memory of 920	2928	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	30
PID 920 wrote to memory of 2508	920	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	31
PID 920 wrote to memory of 2508	920	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	31
PID 920 wrote to memory of 2508	920	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	31
PID 920 wrote to memory of 2508	920	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	31
PID 920 wrote to memory of 2508	920	faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe	31
PID 2508 wrote to memory of 1196	2508	winver.exe	21
PID 2508 wrote to memory of 1108	2508	winver.exe	19
PID 2508 wrote to memory of 1156	2508	winver.exe	20
PID 2508 wrote to memory of 1196	2508	winver.exe	21
PID 2508 wrote to memory of 1676	2508	winver.exe	25
PID 2508 wrote to memory of 920	2508	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe
  "C:\Users\Admin\AppData\Local\Temp\faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Users\Admin\AppData\Local\Temp\faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe
    "C:\Users\Admin\AppData\Local\Temp\faa7f3af20f8d357e8f3d3518b1bf38fa9f5c88249e567293ed2e97c400cf4ac.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:920
  - - 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:2508

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1676

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/920-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1108-30-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1108-29-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1108-15-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1156-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1156-31-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-5-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1196-34-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

Filesize
24KB

Download
memory/1196-11-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1196-10-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

Filesize
24KB

Download
memory/1676-23-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1676-32-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1676-33-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/2508-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2508-8-0x0000000000DE0000-0x0000000000DF6000-memory.dmp

Filesize
88KB

Download
memory/2508-3-0x0000000000DE1000-0x0000000000DE2000-memory.dmp

Filesize
4KB

Download
memory/2508-28-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2508-12-0x0000000077A50000-0x0000000077BF9000-memory.dmp

Filesize
1.7MB

Download
memory/2508-40-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download