tinba | d3c184794e1c58bac00752c4049fd96e5fdb53261356525461546a5752e08dbd

Analysis

max time kernel
106s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/12/2024, 12:18

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General

Target

d3c184794e1c58bac00752c4049fd96e5fdb53261356525461546a5752e08dbd.exe
Size

45KB
MD5

b5271ad4a32011a11bdf806e931484d0
SHA1

4992652a58ca8b844918aa93d7d1c77ec174d692
SHA256

d3c184794e1c58bac00752c4049fd96e5fdb53261356525461546a5752e08dbd
SHA512

17da29910d23e1b6c390f52ee970ae8d88daa2b57103ec95ecec5ba6c2d304f95202566a58215279ad1feced6f27a5aab959e3147dfd39cdc0fc8a16c1a42e2a
SSDEEP

768:2hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:asWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EC6C887B = "C:\\Users\\Admin\\AppData\\Roaming\\EC6C887B\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2360-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3912	4524	WerFault.exe	83

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	d3c184794e1c58bac00752c4049fd96e5fdb53261356525461546a5752e08dbd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4524	winver.exe
4524	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4524	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 4524	2360	d3c184794e1c58bac00752c4049fd96e5fdb53261356525461546a5752e08dbd.exe	83
PID 2360 wrote to memory of 4524	2360	d3c184794e1c58bac00752c4049fd96e5fdb53261356525461546a5752e08dbd.exe	83
PID 2360 wrote to memory of 4524	2360	d3c184794e1c58bac00752c4049fd96e5fdb53261356525461546a5752e08dbd.exe	83
PID 2360 wrote to memory of 4524	2360	d3c184794e1c58bac00752c4049fd96e5fdb53261356525461546a5752e08dbd.exe	83
PID 4524 wrote to memory of 3460	4524	winver.exe	56
PID 4524 wrote to memory of 3020	4524	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3020

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\d3c184794e1c58bac00752c4049fd96e5fdb53261356525461546a5752e08dbd.exe
  "C:\Users\Admin\AppData\Local\Temp\d3c184794e1c58bac00752c4049fd96e5fdb53261356525461546a5752e08dbd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - 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:4524
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 352
      4⤵
      Program crash
      PID:3912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4524 -ip 4524
1⤵
PID:1940

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/2360-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2360-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2360-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2360-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/2360-11-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3020-15-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download
memory/3460-2-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3460-7-0x00007FFA0672D000-0x00007FFA0672E000-memory.dmp

Filesize
4KB

Download
memory/3460-3-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/4524-5-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/4524-8-0x00007FFA06690000-0x00007FFA06885000-memory.dmp

Filesize
2.0MB

Download
memory/4524-6-0x0000000077802000-0x0000000077803000-memory.dmp

Filesize
4KB

Download
memory/4524-16-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download