tinba | 18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 20:42

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General

Target

18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764.exe
Size

225KB
MD5

e6d89673f46211c529e7aa80a703194a
SHA1

457aeab6c65934a78f93bcdf80758c3fe883cb08
SHA256

18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764
SHA512

4190b1d8e6e321584f2389af685446fb6a30edaacb889530f10305b23b0814a71fa47487bcb49a3e319066bf55af837fc9a8a6bc794d5db4dae62c7ac66c98c4
SSDEEP

6144:dA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:dATuTAnKGwUAW3ycQqgf

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\7A3600DF = "C:\\Users\\Admin\\AppData\\Roaming\\7A3600DF\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2840	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2840	1904	18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764.exe	31
PID 1904 wrote to memory of 2840	1904	18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764.exe	31
PID 1904 wrote to memory of 2840	1904	18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764.exe	31
PID 1904 wrote to memory of 2840	1904	18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764.exe	31
PID 1904 wrote to memory of 2840	1904	18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764.exe	31
PID 2840 wrote to memory of 1196	2840	winver.exe	21
PID 2840 wrote to memory of 1092	2840	winver.exe	19
PID 2840 wrote to memory of 1160	2840	winver.exe	20
PID 2840 wrote to memory of 1196	2840	winver.exe	21
PID 2840 wrote to memory of 1328	2840	winver.exe	23
PID 2840 wrote to memory of 1904	2840	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764.exe
  "C:\Users\Admin\AppData\Local\Temp\18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1904
- - 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:2840

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1328

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1092-26-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1092-9-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1160-12-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1160-28-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1196-15-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/1196-6-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/1328-18-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1328-29-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1904-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2840-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2840-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2840-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download