tinba | 8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3

General

Target

8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe
Size

88KB
MD5

4229cde90069a180a5a119ab1b4e3bc0
SHA1

f73f4142d653f517b0c627c4ef82a08fa6b3747b
SHA256

8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3
SHA512

6e372ded8f893b3d2e62ece8e09c2f4490b25ed2d70b84577c092b746a896407f359693180b4d719e4c061d5172c00c546c27b6df01fb880bfd8a320245f42e3
SSDEEP

1536:Az44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:AzvokZR/KM/ysjwqWsN

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7C480730 = "C:\\Users\\Admin\\AppData\\Roaming\\7C480730\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3628	2636	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	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2636	winver.exe
2636	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2636	winver.exe
3436	Explorer.EXE
3436	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 2636	3944	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	87
PID 3944 wrote to memory of 2636	3944	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	87
PID 3944 wrote to memory of 2636	3944	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	87
PID 3944 wrote to memory of 2636	3944	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	87
PID 2636 wrote to memory of 3436	2636	winver.exe	56
PID 2636 wrote to memory of 2556	2636	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe
  "C:\Users\Admin\AppData\Local\Temp\8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3944
- - 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:2636
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 352
      4⤵
      Program crash
      PID:3628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2636 -ip 2636
1⤵
PID:832

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/2556-15-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/2636-5-0x0000000077AF2000-0x0000000077AF3000-memory.dmp

Filesize
4KB

Download
memory/2636-4-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download
memory/2636-7-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/2636-16-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download
memory/3436-11-0x00007FFA54980000-0x00007FFA54981000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3436-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFA5480D000-0x00007FFA5480E000-memory.dmp

Filesize
4KB

Download
memory/3436-8-0x00007FFA549A0000-0x00007FFA549A1000-memory.dmp

Filesize
4KB

Download
memory/3944-3-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3944-10-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3944-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3944-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads