tinba | a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 07:42

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General

Target

a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe
Size

89KB
MD5

f0d0b4d8af0fe46144e89feaf18fb55e
SHA1

cc6de4662a347dd85d762ce6b0d7d40d40f762da
SHA256

a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c
SHA512

3b461b6e62c39adce4be99e81bbf05cdceb250a0b8550c907ed4d18e892751f4768f2e650c546236d965b039a52db5a7035d9a80ccaa0d63e51729b8a1f0cc14
SSDEEP

1536:+z44CpRkr9DXhH/2m//56RrufqjhzrmKIFAV0Eh:+zvokZRfN/yFj1qrFAHh

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\7C00DF71 = "C:\\Users\\Admin\\AppData\\Roaming\\7C00DF71\\bin.exe"	winver.exe

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	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2372	winver.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2372	2600	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe	31
PID 2600 wrote to memory of 2372	2600	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe	31
PID 2600 wrote to memory of 2372	2600	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe	31
PID 2600 wrote to memory of 2372	2600	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe	31
PID 2600 wrote to memory of 2372	2600	a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe	31
PID 2372 wrote to memory of 1208	2372	winver.exe	21
PID 2372 wrote to memory of 1096	2372	winver.exe	19
PID 2372 wrote to memory of 1172	2372	winver.exe	20
PID 2372 wrote to memory of 1208	2372	winver.exe	21
PID 2372 wrote to memory of 1400	2372	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1208
- C:\Users\Admin\AppData\Local\Temp\a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe
  "C:\Users\Admin\AppData\Local\Temp\a81fa094a0322dd87d6fb4ae368e96750aabce0a206c55c2584bb1caa9118d1c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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:2372

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1400

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/1096-26-0x0000000077061000-0x0000000077062000-memory.dmp

Filesize
4KB

Download
memory/1096-25-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077061000-0x0000000077062000-memory.dmp

Filesize
4KB

Download
memory/1208-2-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1208-30-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download
memory/1208-22-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download
memory/1400-29-0x0000000077061000-0x0000000077062000-memory.dmp

Filesize
4KB

Download
memory/1400-28-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1400-24-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2372-11-0x0000000077010000-0x00000000771B9000-memory.dmp

Filesize
1.7MB

Download
memory/2372-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2372-7-0x0000000077210000-0x0000000077211000-memory.dmp

Filesize
4KB

Download
memory/2372-8-0x000000007720F000-0x0000000077210000-memory.dmp

Filesize
4KB

Download
memory/2372-9-0x000000007720F000-0x0000000077211000-memory.dmp

Filesize
8KB

Download
memory/2372-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2372-36-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2600-13-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2600-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2600-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2600-5-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2600-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download