tinba | c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97bea

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 04:33

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General

Target

c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97beaN.exe
Size

89KB
MD5

cba9453d643237602103784dff62b2f0
SHA1

c0211db01c2ffe3ea680d6febf64603ecb1f043e
SHA256

c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97bea
SHA512

3f09cd9ef81f244a4afef4ab1c15134c3650ab31b05c342eac69ff79d27b1a4ceb590993f02132d911854b6a18a830fa6f4ec2a5dee8cef4defc8a4c34b5f5cc
SSDEEP

1536:f1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7q:d+4MJIkLZJNAQ9Jo9q

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\FE4B99EF = "C:\\Users\\Admin\\AppData\\Roaming\\FE4B99EF\\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/2068-0-0x0000000000400000-0x0000000000418000-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	c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97beaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1632	winver.exe
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1632	2068	c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97beaN.exe	31
PID 2068 wrote to memory of 1632	2068	c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97beaN.exe	31
PID 2068 wrote to memory of 1632	2068	c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97beaN.exe	31
PID 2068 wrote to memory of 1632	2068	c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97beaN.exe	31
PID 2068 wrote to memory of 1632	2068	c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97beaN.exe	31
PID 1632 wrote to memory of 1164	1632	winver.exe	21
PID 1632 wrote to memory of 1048	1632	winver.exe	18
PID 1632 wrote to memory of 1124	1632	winver.exe	20
PID 1632 wrote to memory of 1164	1632	winver.exe	21
PID 1632 wrote to memory of 1948	1632	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1164
- C:\Users\Admin\AppData\Local\Temp\c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97beaN.exe
  "C:\Users\Admin\AppData\Local\Temp\c4a1c138e34471834dbfdc40011ddd62f4afde182e98b4bf12cf58e4a5f97beaN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2068
- - 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:1632

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1948

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/1048-26-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1048-27-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1048-25-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1124-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1124-32-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-31-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

Filesize
24KB

Download
memory/1164-10-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1164-22-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

Filesize
24KB

Download
memory/1164-4-0x0000000003CC0000-0x0000000003CC6000-memory.dmp

Filesize
24KB

Download
memory/1164-3-0x0000000003CC0000-0x0000000003CC6000-memory.dmp

Filesize
24KB

Download
memory/1164-2-0x0000000003CC0000-0x0000000003CC6000-memory.dmp

Filesize
24KB

Download
memory/1632-7-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/1632-8-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/1632-9-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/1632-11-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/1632-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1632-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1948-24-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1948-30-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1948-29-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/2068-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2068-13-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2068-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2068-5-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2068-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download