tinba | fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 04:31

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General

Target

fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe
Size

110KB
MD5

2b285cf292575248d75f8ab143d32500
SHA1

76bd4320e1acf6dc8786a95a8b807147dc7479f4
SHA256

fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1
SHA512

369e5b07b7bb8f6bf756a3ff25f5617fb108dc2fce76643d6871ef9e5fb9c2ae30989738a66c8d7b8c21aaee205c9cf69e2d85f75ca96bab18b1eb163721bc11
SSDEEP

1536:riLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:riyvRmDLs/ZrwWJjAqGcRJ2hg

Score

10^/10

tinba banker discovery persistence trojan upx

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\A44A1C1C = "C:\\Users\\Admin\\AppData\\Roaming\\A44A1C1C\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2280-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe
2548	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2548	winver.exe
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2548	2280	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe	32
PID 2280 wrote to memory of 2548	2280	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe	32
PID 2280 wrote to memory of 2548	2280	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe	32
PID 2280 wrote to memory of 2548	2280	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe	32
PID 2280 wrote to memory of 2548	2280	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe	32
PID 2548 wrote to memory of 1388	2548	winver.exe	21
PID 2548 wrote to memory of 1240	2548	winver.exe	19
PID 2548 wrote to memory of 1324	2548	winver.exe	20
PID 2548 wrote to memory of 1388	2548	winver.exe	21
PID 2548 wrote to memory of 1676	2548	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1240

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1324

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1388
- C:\Users\Admin\AppData\Local\Temp\fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe
  "C:\Users\Admin\AppData\Local\Temp\fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2280
- - 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:2548

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1676

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/1240-24-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1240-23-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1324-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1324-25-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1388-26-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1388-22-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1388-4-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1388-3-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1388-2-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1388-10-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1676-30-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/1676-29-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/1676-31-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1676-32-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1676-37-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/2280-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2280-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2280-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2280-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2280-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2548-6-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2548-7-0x0000000077470000-0x0000000077471000-memory.dmp

Filesize
4KB

Download
memory/2548-8-0x000000007746F000-0x0000000077470000-memory.dmp

Filesize
4KB

Download
memory/2548-9-0x000000007746F000-0x0000000077471000-memory.dmp

Filesize
8KB

Download
memory/2548-11-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download
memory/2548-33-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download