tinba | bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a

General

Target

bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe
Size

45KB
MD5

8366fefac944cb8af13a86013980c678
SHA1

665fa7d64ca92bc377d8ad81ee60dd0af4393545
SHA256

bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a
SHA512

7aaa9650cec52ed365f45839b015ab1e5b6549495f823429270c7bc21c38c7b4d1558f9c61265cd44e4d138ab47e0b2d8888b6de88f4c88ca020b9ba8d53709f
SSDEEP

768:DhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:VsWE9N5dFu53dsniQaB/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\5299038D = "C:\\Users\\Admin\\AppData\\Roaming\\5299038D\\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/2632-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4780	1052	WerFault.exe	83

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	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1052	winver.exe
1052	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1052	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 1052	2632	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe	83
PID 2632 wrote to memory of 1052	2632	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe	83
PID 2632 wrote to memory of 1052	2632	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe	83
PID 2632 wrote to memory of 1052	2632	bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe	83
PID 1052 wrote to memory of 3440	1052	winver.exe	56
PID 1052 wrote to memory of 680	1052	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:680

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe
  "C:\Users\Admin\AppData\Local\Temp\bbf97444486ba3516bac11f4f6928c8b046b78f655e6e7e32105360569e56c9a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2632
- - 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:1052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 352
      4⤵
      Program crash
      PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1052 -ip 1052
1⤵
PID:4896

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/680-15-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/680-13-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1052-5-0x00000000775E2000-0x00000000775E3000-memory.dmp

Filesize
4KB

Download
memory/1052-14-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/1052-11-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/1052-7-0x00007FFDFCD90000-0x00007FFDFCF85000-memory.dmp

Filesize
2.0MB

Download
memory/2632-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2632-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2632-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2632-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2632-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3440-6-0x00007FFDFCE2D000-0x00007FFDFCE2E000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/3440-3-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads