tinba | 2ae74700573b69a0896cad34304296c8a413e67b42eea8b1c9e36d599dad3b9a

Analysis

max time kernel
117s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 18:48

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General

Target

2ae74700573b69a0896cad34304296c8a413e67b42eea8b1c9e36d599dad3b9a.exe
Size

45KB
MD5

697d7f0ec494deb45efedf45738d0552
SHA1

f89189433bcacb6937fe2217539a0860eff3ce58
SHA256

2ae74700573b69a0896cad34304296c8a413e67b42eea8b1c9e36d599dad3b9a
SHA512

b4af44138a7fc35d9009f64a098f70e03760f19c2a29063e7056e2c65ba3a78c4c32649a1744f6a4358f665410813bda433f2d00777a8e7a1dbc1e102174e7e7
SSDEEP

768:8hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:wsWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D969720F = "C:\\Users\\Admin\\AppData\\Roaming\\D969720F\\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/2384-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2864	3240	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	2ae74700573b69a0896cad34304296c8a413e67b42eea8b1c9e36d599dad3b9a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3240	winver.exe
3240	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3240	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 3240	2384	2ae74700573b69a0896cad34304296c8a413e67b42eea8b1c9e36d599dad3b9a.exe	84
PID 2384 wrote to memory of 3240	2384	2ae74700573b69a0896cad34304296c8a413e67b42eea8b1c9e36d599dad3b9a.exe	84
PID 2384 wrote to memory of 3240	2384	2ae74700573b69a0896cad34304296c8a413e67b42eea8b1c9e36d599dad3b9a.exe	84
PID 2384 wrote to memory of 3240	2384	2ae74700573b69a0896cad34304296c8a413e67b42eea8b1c9e36d599dad3b9a.exe	84
PID 3240 wrote to memory of 3432	3240	winver.exe	56
PID 3240 wrote to memory of 3000	3240	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3000

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\2ae74700573b69a0896cad34304296c8a413e67b42eea8b1c9e36d599dad3b9a.exe
  "C:\Users\Admin\AppData\Local\Temp\2ae74700573b69a0896cad34304296c8a413e67b42eea8b1c9e36d599dad3b9a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - 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:3240
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 352
      4⤵
      Program crash
      PID:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3240 -ip 3240
1⤵
PID:4204

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/2384-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2384-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/2384-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2384-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2384-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3000-15-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3000-13-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3240-5-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/3240-7-0x00007FFE82690000-0x00007FFE82885000-memory.dmp

Filesize
2.0MB

Download
memory/3240-11-0x0000000001500000-0x0000000001506000-memory.dmp

Filesize
24KB

Download
memory/3240-14-0x0000000001500000-0x0000000001506000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFE8272D000-0x00007FFE8272E000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download