tinba | 5856d510e01d7e1e9f0fe441dbf2a08f97d760810b17a4a9dcf44364396ba460

General

Target

5856d510e01d7e1e9f0fe441dbf2a08f97d760810b17a4a9dcf44364396ba460.exe
Size

45KB
MD5

9f3be6f1a6fa3b86ce4b4e8351cb064d
SHA1

451c0f54329172a2169956fa8784f9836100f9d0
SHA256

5856d510e01d7e1e9f0fe441dbf2a08f97d760810b17a4a9dcf44364396ba460
SHA512

d139e943acd80f3177f72f0c0e5019ac0c64099dc591ef6b560915ed9ecf2c12fd00fd2de6235d062568235942861a6eb2d91ad0ded20a5de09356e14b365ffa
SSDEEP

768:fhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:JsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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\E114F48C = "C:\\Users\\Admin\\AppData\\Roaming\\E114F48C\\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/3440-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1976	2308	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	5856d510e01d7e1e9f0fe441dbf2a08f97d760810b17a4a9dcf44364396ba460.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
2308	winver.exe
2308	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3580	Explorer.EXE
Token: SeCreatePagefilePrivilege	3580	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2308	winver.exe
3580	Explorer.EXE
3580	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3580	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 2308	3440	5856d510e01d7e1e9f0fe441dbf2a08f97d760810b17a4a9dcf44364396ba460.exe	85
PID 3440 wrote to memory of 2308	3440	5856d510e01d7e1e9f0fe441dbf2a08f97d760810b17a4a9dcf44364396ba460.exe	85
PID 3440 wrote to memory of 2308	3440	5856d510e01d7e1e9f0fe441dbf2a08f97d760810b17a4a9dcf44364396ba460.exe	85
PID 3440 wrote to memory of 2308	3440	5856d510e01d7e1e9f0fe441dbf2a08f97d760810b17a4a9dcf44364396ba460.exe	85
PID 2308 wrote to memory of 3580	2308	winver.exe	56
PID 2308 wrote to memory of 2640	2308	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

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:3580
- C:\Users\Admin\AppData\Local\Temp\5856d510e01d7e1e9f0fe441dbf2a08f97d760810b17a4a9dcf44364396ba460.exe
  "C:\Users\Admin\AppData\Local\Temp\5856d510e01d7e1e9f0fe441dbf2a08f97d760810b17a4a9dcf44364396ba460.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3440
- - 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:2308
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 352
      4⤵
      Program crash
      PID:1976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2308 -ip 2308
1⤵
PID:4488

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/2308-5-0x0000000077852000-0x0000000077853000-memory.dmp

Filesize
4KB

Download
memory/2308-17-0x0000000000A80000-0x0000000000A86000-memory.dmp

Filesize
24KB

Download
memory/2308-14-0x0000000000A80000-0x0000000000A86000-memory.dmp

Filesize
24KB

Download
memory/2308-7-0x00007FF91FB50000-0x00007FF91FD45000-memory.dmp

Filesize
2.0MB

Download
memory/2640-19-0x00007FF91FD70000-0x00007FF91FD71000-memory.dmp

Filesize
4KB

Download
memory/2640-16-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/3440-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/3440-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3440-11-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/3440-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3440-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/3580-6-0x00007FF91FBED000-0x00007FF91FBEE000-memory.dmp

Filesize
4KB

Download
memory/3580-8-0x00007FF91FD80000-0x00007FF91FD81000-memory.dmp

Filesize
4KB

Download
memory/3580-12-0x00007FF91FD60000-0x00007FF91FD61000-memory.dmp

Filesize
4KB

Download
memory/3580-2-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/3580-3-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads