tinba | 67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5

Analysis

max time kernel
110s
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
20-01-2025 03:45

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General

Target

67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe
Size

110KB
MD5

14706fb3fed857d23e52c399214b7850
SHA1

d2688373b5c00cb1950486e41d53b0f9489b8328
SHA256

67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5
SHA512

2ba9baefa570128b10ce0129be35ff35b73fe3e3002b2887f075d191c690dab67801c089de704db8814e14c3ce9cd3d1424eb77e80693f72265c54207827746b
SSDEEP

1536:UiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:UiyvRmDLs/ZrwWJjAqGcRJ2hA

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\1D3FE38D = "C:\\Users\\Admin\\AppData\\Roaming\\1D3FE38D\\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/5072-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1820	1568	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	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1568	winver.exe
1568	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1568	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 1568	5072	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe	84
PID 5072 wrote to memory of 1568	5072	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe	84
PID 5072 wrote to memory of 1568	5072	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe	84
PID 5072 wrote to memory of 1568	5072	67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe	84
PID 1568 wrote to memory of 3428	1568	winver.exe	55
PID 1568 wrote to memory of 2656	1568	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:3428
- C:\Users\Admin\AppData\Local\Temp\67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe
  "C:\Users\Admin\AppData\Local\Temp\67a6bf06e0da2f690aad227edee0cb03d4011ee41f181ec1047dfe724054b4d5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5072
- - 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:1568
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 356
      4⤵
      Program crash
      PID:1820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1568 -ip 1568
1⤵
PID:688

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/1568-5-0x00000000772F2000-0x00000000772F3000-memory.dmp

Filesize
4KB

Download
memory/1568-14-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1568-11-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1568-7-0x00007FFED1CF0000-0x00007FFED1EE5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-13-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3428-6-0x00007FFED1D8D000-0x00007FFED1D8E000-memory.dmp

Filesize
4KB

Download
memory/3428-2-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/3428-3-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/5072-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/5072-4-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/5072-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/5072-9-0x0000000002150000-0x0000000002B50000-memory.dmp

Filesize
10.0MB

Download
memory/5072-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download