tinba | 922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1

Analysis

max time kernel
112s
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
30-12-2024 22:02

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General

Target

922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe
Size

110KB
MD5

02f9670925e7d13ad6409022574a086d
SHA1

2533d423f4614801fe25c08bde2a11c244ed9a92
SHA256

922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1
SHA512

7445eeaa83a8cdb6216ae69ba671a8b1e830d9a76fde872577ab77baf347feca5779fc18dd88472e88de62a0166e6eed31b307f18dc363c775cc19354950f4b6
SSDEEP

1536:uiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:uiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D54669BF = "C:\\Users\\Admin\\AppData\\Roaming\\D54669BF\\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/728-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1532	3172	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	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3172	winver.exe
3172	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3172	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 3172	728	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe	84
PID 728 wrote to memory of 3172	728	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe	84
PID 728 wrote to memory of 3172	728	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe	84
PID 728 wrote to memory of 3172	728	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe	84
PID 3172 wrote to memory of 3476	3172	winver.exe	56
PID 3172 wrote to memory of 2656	3172	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe
  "C:\Users\Admin\AppData\Local\Temp\922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:728
- - 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:3172
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3172 -s 352
      4⤵
      Program crash
      PID:1532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3172 -ip 3172
1⤵
PID:3148

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/728-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/728-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/728-11-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/728-4-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/728-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2656-15-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/3172-5-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3172-8-0x00007FFA00DF0000-0x00007FFA00FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-6-0x00000000771A2000-0x00000000771A3000-memory.dmp

Filesize
4KB

Download
memory/3172-16-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3476-7-0x00007FFA00E8D000-0x00007FFA00E8E000-memory.dmp

Filesize
4KB

Download
memory/3476-2-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download
memory/3476-3-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download