tinba | fd23ae9a1a227e756e182ea48cd96fbc7c7231c8756d73fc9e32bab446d84740

General

Target

ae504994d88f5ea94091d26a302274e0N.exe
Size

110KB
MD5

ae504994d88f5ea94091d26a302274e0
SHA1

4e9575698aa38744692d2dc05e803ace85ad4b2d
SHA256

fd23ae9a1a227e756e182ea48cd96fbc7c7231c8756d73fc9e32bab446d84740
SHA512

469a591dcb8b4c4f29f176c5dfcfc125f3dcfd05ef27e9f4fce300e7f68f73b86ea7df29bce53ca617da123bb6d064ccd844beaf052241391ed8e77c15dc3b33
SSDEEP

1536:miLOvRmmQegJgBbmAQ256/ZrwWnwqjhurmKFcxL8JQ28SGd:miyvRmeLs/ZrwWJjAqGcRJ2xS

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4552-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6ADA99F0 = "C:\\Users\\Admin\\AppData\\Roaming\\6ADA99F0\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2536	1224	WerFault.exe	85

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	ae504994d88f5ea94091d26a302274e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1224	winver.exe
1224	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1224	winver.exe
3472	Explorer.EXE
3472	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3472	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 1224	4552	ae504994d88f5ea94091d26a302274e0N.exe	85
PID 4552 wrote to memory of 1224	4552	ae504994d88f5ea94091d26a302274e0N.exe	85
PID 4552 wrote to memory of 1224	4552	ae504994d88f5ea94091d26a302274e0N.exe	85
PID 4552 wrote to memory of 1224	4552	ae504994d88f5ea94091d26a302274e0N.exe	85
PID 1224 wrote to memory of 3472	1224	winver.exe	56
PID 1224 wrote to memory of 2860	1224	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2860

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3472
- C:\Users\Admin\AppData\Local\Temp\ae504994d88f5ea94091d26a302274e0N.exe
  "C:\Users\Admin\AppData\Local\Temp\ae504994d88f5ea94091d26a302274e0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4552
- - 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:1224
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 352
      4⤵
      Program crash
      PID:2536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1224 -ip 1224
1⤵
PID:852

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

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Downloads

memory/1224-5-0x00000000778D2000-0x00000000778D3000-memory.dmp

Filesize
4KB

Download
memory/1224-17-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/1224-14-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/1224-7-0x00007FF9809F0000-0x00007FF980BE5000-memory.dmp

Filesize
2.0MB

Download
memory/2860-18-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/2860-16-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/3472-8-0x00007FF980C20000-0x00007FF980C21000-memory.dmp

Filesize
4KB

Download
memory/3472-6-0x00007FF980A8D000-0x00007FF980A8E000-memory.dmp

Filesize
4KB

Download
memory/3472-12-0x00007FF980C00000-0x00007FF980C01000-memory.dmp

Filesize
4KB

Download
memory/3472-2-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download
memory/3472-3-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download
memory/4552-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4552-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4552-11-0x0000000002390000-0x0000000002D90000-memory.dmp

Filesize
10.0MB

Download
memory/4552-4-0x0000000002390000-0x0000000002D90000-memory.dmp

Filesize
10.0MB

Download
memory/4552-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads