tinba | 948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995

Analysis

max time kernel
102s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 04:22

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General

Target

948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe
Size

45KB
MD5

6cbbacd7f7a726d875e5b222d9732f7c
SHA1

15bc043ced8263788bc0ac163921c0513f1eb1b8
SHA256

948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995
SHA512

4147ebd9d58b262eaaf7c7d067e02a37f565024c49ec48e1e133d6366d05884a0449576764d61a5580d533eff50460ec546e1272c420b61064ef933c2970616f
SSDEEP

768:ehP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:ysWE9N5dFu53dsniQaB/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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\15E2E418 = "C:\\Users\\Admin\\AppData\\Roaming\\15E2E418\\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/1964-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4640	1464	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	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1464	winver.exe
1464	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1464	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1464	1964	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe	83
PID 1964 wrote to memory of 1464	1964	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe	83
PID 1964 wrote to memory of 1464	1964	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe	83
PID 1964 wrote to memory of 1464	1964	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe	83
PID 1464 wrote to memory of 3500	1464	winver.exe	56
PID 1464 wrote to memory of 2488	1464	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2488

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe
  "C:\Users\Admin\AppData\Local\Temp\948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1964
- - 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:1464
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 352
      4⤵
      Program crash
      PID:4640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1464 -ip 1464
1⤵
PID:2072

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/1464-5-0x0000000077DE2000-0x0000000077DE3000-memory.dmp

Filesize
4KB

Download
memory/1464-14-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/1464-11-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/1464-7-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/1964-9-0x00000000023F0000-0x0000000002DF0000-memory.dmp

Filesize
10.0MB

Download
memory/1964-4-0x00000000023F0000-0x0000000002DF0000-memory.dmp

Filesize
10.0MB

Download
memory/1964-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1964-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1964-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2488-13-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/3500-6-0x00007FF93656D000-0x00007FF93656E000-memory.dmp

Filesize
4KB

Download
memory/3500-2-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3500-3-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download