tinba | 36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 14:43

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General

Target

36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe
Size

610KB
MD5

5782257fd202a182135bcd1ebfce3f06
SHA1

0252200a35cf93f94b79ef878b9d7d10411614e2
SHA256

36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb
SHA512

4c11436b370d4d3e91ec6c0b270b89f4ae8c0bd3b7eef215ad75ef4dea715e02f1b455342867cac5ca3e1795d90c111882123af435f63d4fb4ebaa211d1a2e0d
SSDEEP

12288:NATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:3T+KjUdQqboyyWoK1NGqzuhb

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\DF1509A2 = "C:\\Users\\Admin\\AppData\\Roaming\\DF1509A2\\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	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2688	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2688	2380	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	31
PID 2380 wrote to memory of 2688	2380	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	31
PID 2380 wrote to memory of 2688	2380	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	31
PID 2380 wrote to memory of 2688	2380	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	31
PID 2380 wrote to memory of 2688	2380	36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe	31
PID 2688 wrote to memory of 1120	2688	winver.exe	20
PID 2688 wrote to memory of 1048	2688	winver.exe	17
PID 2688 wrote to memory of 1076	2688	winver.exe	19
PID 2688 wrote to memory of 1120	2688	winver.exe	20
PID 2688 wrote to memory of 1236	2688	winver.exe	25

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1076

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1120
- C:\Users\Admin\AppData\Local\Temp\36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe
  "C:\Users\Admin\AppData\Local\Temp\36cd1c724c1a274e6d707c85ab1d9694487b405ab834f866e10325424a1962eb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - 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:2688

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1236

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/1048-11-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1048-24-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1076-26-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1076-14-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1120-1-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1120-6-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1120-25-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1120-3-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1120-17-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1236-20-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1236-27-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/2380-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2688-23-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2688-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2688-29-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download