tinba | ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f

General

Target

ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe
Size

45KB
MD5

400d432ce46b68b1e490cc5b9800a327
SHA1

2c4f3b849ab9dcad60c8dba22dde08889f9a2e0b
SHA256

ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f
SHA512

8c9e5851caa4720b397f3e709c7b4b62c1cda9b304c99e433f130f24f8e06621cd1a6222e1ca265667ff073c13612643befbf539841092b2492f13dac162ec08
SSDEEP

768:2hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:asWE9N5dFu53dsniQaB/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

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4F2A73E1 = "C:\\Users\\Admin\\AppData\\Roaming\\4F2A73E1\\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/1352-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4792	2676	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	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.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
2676	winver.exe
2676	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2676	winver.exe
3528	Explorer.EXE
3528	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3528	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 2676	1352	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe	85
PID 1352 wrote to memory of 2676	1352	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe	85
PID 1352 wrote to memory of 2676	1352	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe	85
PID 1352 wrote to memory of 2676	1352	ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe	85
PID 2676 wrote to memory of 3528	2676	winver.exe	56
PID 2676 wrote to memory of 2720	2676	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2720

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:3528
- C:\Users\Admin\AppData\Local\Temp\ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe
  "C:\Users\Admin\AppData\Local\Temp\ffbe7f59e88fd82a167f9a4eba84577991c542303e925b26a9e13bb16fb4466f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1352
- - 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:2676
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 352
      4⤵
      Program crash
      PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2676 -ip 2676
1⤵
PID:316

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/1352-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1352-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1352-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1352-10-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/1352-4-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/2676-13-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/2676-5-0x00000000777B2000-0x00000000777B3000-memory.dmp

Filesize
4KB

Download
memory/2676-7-0x00007FFD96130000-0x00007FFD96325000-memory.dmp

Filesize
2.0MB

Download
memory/2676-16-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/2720-15-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/2720-18-0x00007FFD96350000-0x00007FFD96351000-memory.dmp

Filesize
4KB

Download
memory/3528-8-0x00007FFD96360000-0x00007FFD96361000-memory.dmp

Filesize
4KB

Download
memory/3528-6-0x00007FFD961CD000-0x00007FFD961CE000-memory.dmp

Filesize
4KB

Download
memory/3528-3-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download
memory/3528-11-0x00007FFD96340000-0x00007FFD96341000-memory.dmp

Filesize
4KB

Download
memory/3528-2-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads