tinba | f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/11/2024, 01:17

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General

Target

f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe
Size

89KB
MD5

762e6a229c846620bbbb11fbb6f36290
SHA1

d7c1ec24f3cd7d04076efd2cd9c6feb1450ed6eb
SHA256

f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673
SHA512

1c9b3d44e32b01e58c6805f8fa0f0b13c2a9a8c8e073dd223c3a83a0f731966268a884977e4c139d89e4a81a9edec0b8677e2d9186e2b8de9388e58defbe9264
SSDEEP

1536:k9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:k9o6fK2XqXQwhnHlqQo8Lvy

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\1CBF96A9 = "C:\\Users\\Admin\\AppData\\Roaming\\1CBF96A9\\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	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe
3048	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3048	winver.exe
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 3048	2552	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe	30
PID 2552 wrote to memory of 3048	2552	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe	30
PID 2552 wrote to memory of 3048	2552	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe	30
PID 2552 wrote to memory of 3048	2552	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe	30
PID 2552 wrote to memory of 3048	2552	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe	30
PID 3048 wrote to memory of 1256	3048	winver.exe	21
PID 3048 wrote to memory of 1128	3048	winver.exe	19
PID 3048 wrote to memory of 1204	3048	winver.exe	20
PID 3048 wrote to memory of 1256	3048	winver.exe	21
PID 3048 wrote to memory of 1092	3048	winver.exe	25
PID 3048 wrote to memory of 2552	3048	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1256
- C:\Users\Admin\AppData\Local\Temp\f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe
  "C:\Users\Admin\AppData\Local\Temp\f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - 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:3048

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1092

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/1092-28-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1092-29-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

Filesize
4KB

Download
memory/1092-23-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1128-16-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1128-30-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1204-18-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1204-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

Filesize
4KB

Download
memory/1256-12-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

Filesize
4KB

Download
memory/1256-31-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1256-21-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1256-2-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1256-1-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1256-5-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/2552-6-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/2552-0-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2552-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2552-32-0x0000000002120000-0x0000000002B20000-memory.dmp

Filesize
10.0MB

Download
memory/3048-13-0x0000000076E60000-0x0000000077009000-memory.dmp

Filesize
1.7MB

Download
memory/3048-10-0x000000007705F000-0x0000000077061000-memory.dmp

Filesize
8KB

Download
memory/3048-11-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/3048-7-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/3048-8-0x0000000077060000-0x0000000077061000-memory.dmp

Filesize
4KB

Download
memory/3048-9-0x000000007705F000-0x0000000077060000-memory.dmp

Filesize
4KB

Download
memory/3048-3-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/3048-38-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download