tinba | 312f2feda583b0a3d4f0d8d37c1b6534329deb70f4871a344e50c97a43bb63fb

Analysis

max time kernel
146s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 21:23

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General

Target

312f2feda583b0a3d4f0d8d37c1b6534329deb70f4871a344e50c97a43bb63fb.exe
Size

45KB
MD5

ddad00b7f057c3852083cda83c62cbd3
SHA1

57b8ce4a23da8edd217ff619c2012b530a7fdf33
SHA256

312f2feda583b0a3d4f0d8d37c1b6534329deb70f4871a344e50c97a43bb63fb
SHA512

98c2c7f7c6e244920a919522aa736e79e9525a48a450311699fc22fc21313742ca8378106ff0ae9a6ceffe773b27c4e005791136e4497594f5ad9195ef9f9154
SSDEEP

768:RhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:rsWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\91F8D11B = "C:\\Users\\Admin\\AppData\\Roaming\\91F8D11B\\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/2808-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4408	388	WerFault.exe	84

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	312f2feda583b0a3d4f0d8d37c1b6534329deb70f4871a344e50c97a43bb63fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
388	winver.exe
388	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3344	Explorer.EXE
Token: SeCreatePagefilePrivilege	3344	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
388	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 388	2808	312f2feda583b0a3d4f0d8d37c1b6534329deb70f4871a344e50c97a43bb63fb.exe	84
PID 2808 wrote to memory of 388	2808	312f2feda583b0a3d4f0d8d37c1b6534329deb70f4871a344e50c97a43bb63fb.exe	84
PID 2808 wrote to memory of 388	2808	312f2feda583b0a3d4f0d8d37c1b6534329deb70f4871a344e50c97a43bb63fb.exe	84
PID 2808 wrote to memory of 388	2808	312f2feda583b0a3d4f0d8d37c1b6534329deb70f4871a344e50c97a43bb63fb.exe	84
PID 388 wrote to memory of 3344	388	winver.exe	55
PID 388 wrote to memory of 3052	388	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3052

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3344
- C:\Users\Admin\AppData\Local\Temp\312f2feda583b0a3d4f0d8d37c1b6534329deb70f4871a344e50c97a43bb63fb.exe
  "C:\Users\Admin\AppData\Local\Temp\312f2feda583b0a3d4f0d8d37c1b6534329deb70f4871a344e50c97a43bb63fb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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:388
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 352
      4⤵
      Program crash
      PID:4408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 388 -ip 388
1⤵
PID:4104

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/388-5-0x0000000077692000-0x0000000077693000-memory.dmp

Filesize
4KB

Download
memory/388-14-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/388-11-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/388-7-0x00007FFCDA210000-0x00007FFCDA405000-memory.dmp

Filesize
2.0MB

Download
memory/2808-9-0x0000000002070000-0x0000000002A70000-memory.dmp

Filesize
10.0MB

Download
memory/2808-4-0x0000000002070000-0x0000000002A70000-memory.dmp

Filesize
10.0MB

Download
memory/2808-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2808-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2808-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/3052-13-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3344-6-0x00007FFCDA2AD000-0x00007FFCDA2AE000-memory.dmp

Filesize
4KB

Download
memory/3344-2-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3344-3-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download