tinba | efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732

General

Target

efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe
Size

45KB
MD5

0a8bce8030909ceddf1a70cdf3d9f570
SHA1

a6a794e78f2bf1a3d9c18da018f996e43057f6ce
SHA256

efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732
SHA512

812a6ac06ffe3643cd9b0ede35653ff479fd4eac13ae3e359c284448ccb003e3b817608b8df7fe4b32a0fe4717d553cd4429cc9511845ca181e47bdefcd6a8bf
SSDEEP

768:NhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:vsWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\44E9DAB8 = "C:\\Users\\Admin\\AppData\\Roaming\\44E9DAB8\\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/1528-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3212	4584	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	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4584	winver.exe
4584	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4584	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 4584	1528	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe	84
PID 1528 wrote to memory of 4584	1528	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe	84
PID 1528 wrote to memory of 4584	1528	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe	84
PID 1528 wrote to memory of 4584	1528	efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe	84
PID 4584 wrote to memory of 3544	4584	winver.exe	56
PID 4584 wrote to memory of 2540	4584	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe
  "C:\Users\Admin\AppData\Local\Temp\efea64942dc3f1265835edd74738bae64c8eb4898dae501776f7579d99e33732N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1528
- - 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:4584
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 352
      4⤵
      Program crash
      PID:3212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4584 -ip 4584
1⤵
PID:1380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1528-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1528-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1528-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1528-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/1528-9-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/2540-15-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/2540-13-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3544-3-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3544-6-0x00007FFA7C66D000-0x00007FFA7C66E000-memory.dmp

Filesize
4KB

Download
memory/3544-2-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/4584-7-0x00007FFA7C5D0000-0x00007FFA7C7C5000-memory.dmp

Filesize
2.0MB

Download
memory/4584-5-0x0000000077E92000-0x0000000077E93000-memory.dmp

Filesize
4KB

Download
memory/4584-11-0x0000000001490000-0x0000000001496000-memory.dmp

Filesize
24KB

Download
memory/4584-14-0x0000000001490000-0x0000000001496000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads