tinba | c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1

Analysis

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

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-02-2025 18:36

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General

Target

c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1.exe
Size

89KB
MD5

e912bd4f8dcbabf2c4c82deab7c050c7
SHA1

845f6de3e730aaa2173710acce89d73d5e1ad474
SHA256

c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1
SHA512

deb1f21c3ca091e6f25faae57c229d5cd90ebc05aa0895d8192a11283842acc129c1a6e8e4adbaf14262d36d6cc7c739e050a77e72c515046dc8fa853886c3ab
SSDEEP

1536:q9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA0:q9o6fK2XqXQwhnHlqQo8Lvy0

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\7818C8BD = "C:\\Users\\Admin\\AppData\\Roaming\\7818C8BD\\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	c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2532	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 2532	1764	c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1.exe	31
PID 1764 wrote to memory of 2532	1764	c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1.exe	31
PID 1764 wrote to memory of 2532	1764	c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1.exe	31
PID 1764 wrote to memory of 2532	1764	c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1.exe	31
PID 1764 wrote to memory of 2532	1764	c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1.exe	31
PID 2532 wrote to memory of 1368	2532	winver.exe	21
PID 2532 wrote to memory of 1204	2532	winver.exe	19
PID 2532 wrote to memory of 1312	2532	winver.exe	20
PID 2532 wrote to memory of 1368	2532	winver.exe	21
PID 2532 wrote to memory of 620	2532	winver.exe	23
PID 2532 wrote to memory of 1764	2532	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1204

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1312

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1368
- C:\Users\Admin\AppData\Local\Temp\c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1.exe
  "C:\Users\Admin\AppData\Local\Temp\c4eff596a46465bac0cf68481ade49d555039e3a92fa5e54273f72465324f9e1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1764
- - 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:2532

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:620

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/620-24-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/620-32-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/620-31-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1204-28-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1204-16-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1312-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1312-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1368-29-0x0000000002760000-0x0000000002766000-memory.dmp

Filesize
24KB

Download
memory/1368-12-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1368-5-0x0000000002750000-0x0000000002756000-memory.dmp

Filesize
24KB

Download
memory/1368-22-0x0000000002760000-0x0000000002766000-memory.dmp

Filesize
24KB

Download
memory/1368-1-0x0000000002750000-0x0000000002756000-memory.dmp

Filesize
24KB

Download
memory/1368-2-0x0000000002750000-0x0000000002756000-memory.dmp

Filesize
24KB

Download
memory/1764-0-0x0000000000300000-0x0000000000302000-memory.dmp

Filesize
8KB

Download
memory/1764-6-0x00000000020B0000-0x0000000002AB0000-memory.dmp

Filesize
10.0MB

Download
memory/1764-33-0x00000000020B0000-0x0000000002AB0000-memory.dmp

Filesize
10.0MB

Download
memory/1764-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2532-13-0x0000000077280000-0x0000000077429000-memory.dmp

Filesize
1.7MB

Download
memory/2532-7-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2532-8-0x0000000077480000-0x0000000077481000-memory.dmp

Filesize
4KB

Download
memory/2532-9-0x000000007747F000-0x0000000077480000-memory.dmp

Filesize
4KB

Download
memory/2532-10-0x000000007747F000-0x0000000077481000-memory.dmp

Filesize
8KB

Download
memory/2532-11-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2532-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2532-39-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download