tinba | 2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 09:38

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General

Target

2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0N.exe
Size

225KB
MD5

3d25d31cd807357b085db8cca8793b20
SHA1

a2efad62a64b6400cd5342151d7b8ec5fd10d2a1
SHA256

2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0
SHA512

13be6b1b40ed484e426279a86dc7f129966e2996f8e1a8dd50c4189a6f5b58a01f7072fb174dc111c5752a9dff7de4a36f35b3aecb8aee95b083d6657d08c55d
SSDEEP

6144:XA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:XATuTAnKGwUAW3ycQqgf

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\128D9D71 = "C:\\Users\\Admin\\AppData\\Roaming\\128D9D71\\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	2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2536	winver.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2536	2684	2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0N.exe	31
PID 2684 wrote to memory of 2536	2684	2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0N.exe	31
PID 2684 wrote to memory of 2536	2684	2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0N.exe	31
PID 2684 wrote to memory of 2536	2684	2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0N.exe	31
PID 2684 wrote to memory of 2536	2684	2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0N.exe	31
PID 2536 wrote to memory of 1188	2536	winver.exe	21
PID 2536 wrote to memory of 1068	2536	winver.exe	18
PID 2536 wrote to memory of 1100	2536	winver.exe	19
PID 2536 wrote to memory of 1188	2536	winver.exe	21
PID 2536 wrote to memory of 1200	2536	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1188
- C:\Users\Admin\AppData\Local\Temp\2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0N.exe
  "C:\Users\Admin\AppData\Local\Temp\2176097070409d1b4daf983869ec8c6bfd57d300fe360e49fbe55727b0ed5ff0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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:2536

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1200

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/1068-27-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1068-11-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1100-14-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1100-24-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000003D40000-0x0000000003D46000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000003D40000-0x0000000003D46000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000003D40000-0x0000000003D46000-memory.dmp

Filesize
24KB

Download
memory/1188-25-0x0000000003D50000-0x0000000003D56000-memory.dmp

Filesize
24KB

Download
memory/1188-17-0x0000000003D50000-0x0000000003D56000-memory.dmp

Filesize
24KB

Download
memory/1200-26-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/1200-20-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/2536-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2536-23-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2536-29-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2684-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download