tinba | 04217eb1abe5ef5babccc6e7c0a5014585147696213b74a48f340957f82141d8

General

Target

6efc190c2a630d5a662fdf87678aae50N.exe
Size

45KB
MD5

6efc190c2a630d5a662fdf87678aae50
SHA1

6574931f6934898e86cc0e49d0c9356b9ed3c6cd
SHA256

04217eb1abe5ef5babccc6e7c0a5014585147696213b74a48f340957f82141d8
SHA512

765fca77e76f48a1198cb100dab167725ed113540299c70250883d18bb60dcb70007b2afc009294fd03695cc56c99006671eed553641cad2997c399d9cc175d6
SSDEEP

768:YhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:ksWE9N5dFu53dsniQaB/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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2624-0-0x0000000000400000-0x000000000041D000-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\C841FAE1 = "C:\\Users\\Admin\\AppData\\Roaming\\C841FAE1\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3596	3752	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	6efc190c2a630d5a662fdf87678aae50N.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
3752	winver.exe
3752	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3752	winver.exe
3452	Explorer.EXE
3452	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 3752	2624	6efc190c2a630d5a662fdf87678aae50N.exe	84
PID 2624 wrote to memory of 3752	2624	6efc190c2a630d5a662fdf87678aae50N.exe	84
PID 2624 wrote to memory of 3752	2624	6efc190c2a630d5a662fdf87678aae50N.exe	84
PID 2624 wrote to memory of 3752	2624	6efc190c2a630d5a662fdf87678aae50N.exe	84
PID 3752 wrote to memory of 3452	3752	winver.exe	56
PID 3752 wrote to memory of 2832	3752	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

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:3452
- C:\Users\Admin\AppData\Local\Temp\6efc190c2a630d5a662fdf87678aae50N.exe
  "C:\Users\Admin\AppData\Local\Temp\6efc190c2a630d5a662fdf87678aae50N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2624
- - 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:3752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 352
      4⤵
      Program crash
      PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3752 -ip 3752
1⤵
PID:4816

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

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Downloads

memory/2624-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2624-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2624-12-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/2624-4-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/2624-11-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2832-17-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3452-9-0x00007FFFA0E40000-0x00007FFFA0E41000-memory.dmp

Filesize
4KB

Download
memory/3452-7-0x00007FFFA0CAD000-0x00007FFFA0CAE000-memory.dmp

Filesize
4KB

Download
memory/3452-2-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/3452-13-0x00007FFFA0E20000-0x00007FFFA0E21000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/3752-5-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download
memory/3752-8-0x00007FFFA0C10000-0x00007FFFA0E05000-memory.dmp

Filesize
2.0MB

Download
memory/3752-6-0x0000000077CE2000-0x0000000077CE3000-memory.dmp

Filesize
4KB

Download
memory/3752-18-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads