tinba | 6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822

Analysis

max time kernel
118s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 21:55

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General

Target

6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe
Size

45KB
MD5

9e2ea961fc743d248c8dad6e95cf1a50
SHA1

6018622fc67094c91eefcf40c452ee09cd388e37
SHA256

6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822
SHA512

0189cd6c1968c3980e59ed2144d837f1860ccaca98e79e084b11d19d5a7dc60d234215f4c70efea9bf495bc330a00c8c398e697e62550a9c002583a0c8ec54b7
SSDEEP

768:yhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:+sWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\12039BDC = "C:\\Users\\Admin\\AppData\\Roaming\\12039BDC\\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/3056-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	2588	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	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2588	winver.exe
2588	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2588	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2588	3056	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe	83
PID 3056 wrote to memory of 2588	3056	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe	83
PID 3056 wrote to memory of 2588	3056	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe	83
PID 3056 wrote to memory of 2588	3056	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe	83
PID 2588 wrote to memory of 3436	2588	winver.exe	56
PID 2588 wrote to memory of 2492	2588	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2492

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe
  "C:\Users\Admin\AppData\Local\Temp\6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - 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:2588
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 352
      4⤵
      Program crash
      PID:2396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2588 -ip 2588
1⤵
PID:1596

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/2492-13-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/2588-5-0x0000000077862000-0x0000000077863000-memory.dmp

Filesize
4KB

Download
memory/2588-14-0x0000000002C20000-0x0000000002C26000-memory.dmp

Filesize
24KB

Download
memory/2588-11-0x0000000002C20000-0x0000000002C26000-memory.dmp

Filesize
24KB

Download
memory/2588-7-0x00007FFC553D0000-0x00007FFC555C5000-memory.dmp

Filesize
2.0MB

Download
memory/3056-9-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3056-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3056-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3056-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3056-1-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/3436-6-0x00007FFC5546D000-0x00007FFC5546E000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download