tinba | 211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b

General

Target

211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe
Size

106KB
MD5

70e274dec4311a8c91217e659a84be25
SHA1

27870efcbe8990133cbb49910c50ca5568b5340b
SHA256

211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b
SHA512

c8d28a0c8e72577f849bc3a26af2c4b7fdec7f44f7ffd8a5c617198688eeeff49da86e11e906da83a922d54b386d2f709c14b0f7acea46135ffeb1d33b22925c
SSDEEP

768:R+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:R+mFM2QXtZgi9Iksu+XM57ipeq9JA

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2B979748 = "C:\\Users\\Admin\\AppData\\Roaming\\2B979748\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3744	1084	WerFault.exe	87

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	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1084	winver.exe
1084	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1084	winver.exe
3560	Explorer.EXE
3560	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3560	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 1084	1936	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe	87
PID 1936 wrote to memory of 1084	1936	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe	87
PID 1936 wrote to memory of 1084	1936	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe	87
PID 1936 wrote to memory of 1084	1936	211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe	87
PID 1084 wrote to memory of 3560	1084	winver.exe	56
PID 1084 wrote to memory of 2660	1084	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3560
- C:\Users\Admin\AppData\Local\Temp\211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe
  "C:\Users\Admin\AppData\Local\Temp\211fcae029e419ba60bf07b3a1f5036aa6e1761db023a501c3d2e2efb45fbc6b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1936
- - 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:1084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 352
      4⤵
      Program crash
      PID:3744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1084 -ip 1084
1⤵
PID:4744

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/1084-13-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download
memory/1084-17-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download
memory/1084-6-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

Filesize
2.0MB

Download
memory/1936-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1936-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1936-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/1936-8-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1936-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2660-16-0x00007FFC71A70000-0x00007FFC71A71000-memory.dmp

Filesize
4KB

Download
memory/2660-15-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/3560-2-0x0000000002C90000-0x0000000002C96000-memory.dmp

Filesize
24KB

Download
memory/3560-11-0x00007FFC71A60000-0x00007FFC71A61000-memory.dmp

Filesize
4KB

Download
memory/3560-10-0x00007FFC71A80000-0x00007FFC71A81000-memory.dmp

Filesize
4KB

Download
memory/3560-5-0x00007FFC718ED000-0x00007FFC718EE000-memory.dmp

Filesize
4KB

Download
memory/3560-3-0x0000000002C90000-0x0000000002C96000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads