tinba | 2d99a6ed948d729af3c70a0384957c72dd5c074a4d1c6f500a427378a879f398

General

Target

2d99a6ed948d729af3c70a0384957c72dd5c074a4d1c6f500a427378a879f398.exe
Size

45KB
MD5

9c4fffc1615813bbf78d53b6e1fe9913
SHA1

38ee32c79715b6f85ac869ce52eab0fcc1cba054
SHA256

2d99a6ed948d729af3c70a0384957c72dd5c074a4d1c6f500a427378a879f398
SHA512

2fe73cf136024258f3e72b3811f07322284872da2946884db17c1229736786dce1deccdad19e69e5a1508eb08cc92e3d6d3056899f8e5f24c1a8ebf870402a9d
SSDEEP

768:NhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:vsWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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-1-5-21-2211717155-842865201-3404093980-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ECF8A56A = "C:\\Users\\Admin\\AppData\\Roaming\\ECF8A56A\\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/2504-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3012	5004	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	2d99a6ed948d729af3c70a0384957c72dd5c074a4d1c6f500a427378a879f398.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5004	winver.exe
5004	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5004	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3484	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 5004	2504	2d99a6ed948d729af3c70a0384957c72dd5c074a4d1c6f500a427378a879f398.exe	85
PID 2504 wrote to memory of 5004	2504	2d99a6ed948d729af3c70a0384957c72dd5c074a4d1c6f500a427378a879f398.exe	85
PID 2504 wrote to memory of 5004	2504	2d99a6ed948d729af3c70a0384957c72dd5c074a4d1c6f500a427378a879f398.exe	85
PID 2504 wrote to memory of 5004	2504	2d99a6ed948d729af3c70a0384957c72dd5c074a4d1c6f500a427378a879f398.exe	85
PID 5004 wrote to memory of 3484	5004	winver.exe	56
PID 5004 wrote to memory of 2436	5004	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2436

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3484
- C:\Users\Admin\AppData\Local\Temp\2d99a6ed948d729af3c70a0384957c72dd5c074a4d1c6f500a427378a879f398.exe
  "C:\Users\Admin\AppData\Local\Temp\2d99a6ed948d729af3c70a0384957c72dd5c074a4d1c6f500a427378a879f398.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - 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:5004
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 352
      4⤵
      Program crash
      PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5004 -ip 5004
1⤵
PID:3100

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/2436-13-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2504-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2504-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2504-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2504-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/2504-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/3484-2-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/3484-6-0x00007FFADCB2D000-0x00007FFADCB2E000-memory.dmp

Filesize
4KB

Download
memory/3484-3-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/3484-16-0x00007FFADCCC0000-0x00007FFADCCC1000-memory.dmp

Filesize
4KB

Download
memory/5004-7-0x00007FFADCA90000-0x00007FFADCC85000-memory.dmp

Filesize
2.0MB

Download
memory/5004-5-0x0000000076F82000-0x0000000076F83000-memory.dmp

Filesize
4KB

Download
memory/5004-11-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/5004-14-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads