tinba | daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caa

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 11:13

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General

Target

daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caaN.exe
Size

225KB
MD5

c804871153bd9974b06130761bd9dac0
SHA1

d7ea14f14ed4efc53b6021ac00edaaf1384cae62
SHA256

daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caa
SHA512

b4c669079b85dfbbdd24f1f031403f1e7a6f6da937aceec06163d2087def63cc7ccad94a39edfbd3ac4f3cc1b2ab0a81baefc58c68989a0b931c6155e12d82ff
SSDEEP

6144:rA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:rATuTAnKGwUAW3ycQqgf

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

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\8805E3F9 = "C:\\Users\\Admin\\AppData\\Roaming\\8805E3F9\\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	daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe
1688	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1688	winver.exe
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 1688	1628	daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caaN.exe	30
PID 1628 wrote to memory of 1688	1628	daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caaN.exe	30
PID 1628 wrote to memory of 1688	1628	daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caaN.exe	30
PID 1628 wrote to memory of 1688	1628	daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caaN.exe	30
PID 1628 wrote to memory of 1688	1628	daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caaN.exe	30
PID 1688 wrote to memory of 1268	1688	winver.exe	21
PID 1688 wrote to memory of 1124	1688	winver.exe	19
PID 1688 wrote to memory of 1196	1688	winver.exe	20
PID 1688 wrote to memory of 1268	1688	winver.exe	21
PID 1688 wrote to memory of 1220	1688	winver.exe	23
PID 1688 wrote to memory of 1628	1688	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1196

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1268
- C:\Users\Admin\AppData\Local\Temp\daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caaN.exe
  "C:\Users\Admin\AppData\Local\Temp\daf0928da8e8cc7a393a66427bb1aa9a002d46335dbdc3490f2ec565727e2caaN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1628
- - 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:1688

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1220

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

Replay Monitor

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Downloads

memory/1124-29-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1124-9-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1196-12-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1196-26-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1220-27-0x0000000001D20000-0x0000000001D26000-memory.dmp

Filesize
24KB

Download
memory/1220-18-0x0000000001D20000-0x0000000001D26000-memory.dmp

Filesize
24KB

Download
memory/1268-3-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1268-15-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/1268-1-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1268-28-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/1268-6-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1628-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1688-23-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/1688-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1688-31-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download