tinba | f70a9256b11888a37401b3962ef20700121bd5a3bfc76d9cd8683bc9ce93fac3

General

Target

1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe
Size

88KB
MD5

40f8d5b0ef42b3f1dc9af41c77f537c4
SHA1

4bd45492ec4173509dbfd68468ac19031a96240a
SHA256

1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f
SHA512

db5b9b5a9942824441cf5675202eb3a8b2049a8ae6058fa27a7cdb3ad9c0482fb1c77382285bd6e73801014c7b560ade8a17065ebf68e1faef00b3bf2c35052d
SSDEEP

1536:E5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:E5fvp12UFKcD/6jwqWsN

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

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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\74202F29 = "C:\\Users\\Admin\\AppData\\Roaming\\74202F29\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3068	1336	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	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1336	winver.exe
1336	winver.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1336	winver.exe
3444	Explorer.EXE
3444	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3444	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 1336	872	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe	87
PID 872 wrote to memory of 1336	872	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe	87
PID 872 wrote to memory of 1336	872	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe	87
PID 872 wrote to memory of 1336	872	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe	87
PID 1336 wrote to memory of 3444	1336	winver.exe	56
PID 1336 wrote to memory of 2884	1336	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2884

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3444
- C:\Users\Admin\AppData\Local\Temp\1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe
  "C:\Users\Admin\AppData\Local\Temp\1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:872
- - 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:1336
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1336 -s 352
      4⤵
      Program crash
      PID:3068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1336 -ip 1336
1⤵
PID:2460

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/872-3-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/872-9-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/872-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/872-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1336-6-0x00007FF892490000-0x00007FF892685000-memory.dmp

Filesize
2.0MB

Download
memory/1336-4-0x0000000077DC2000-0x0000000077DC3000-memory.dmp

Filesize
4KB

Download
memory/1336-12-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1336-15-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/2884-14-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2884-17-0x00007FF8926B0000-0x00007FF8926B1000-memory.dmp

Filesize
4KB

Download
memory/3444-5-0x00007FF89252D000-0x00007FF89252E000-memory.dmp

Filesize
4KB

Download
memory/3444-7-0x00007FF8926C0000-0x00007FF8926C1000-memory.dmp

Filesize
4KB

Download
memory/3444-1-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3444-10-0x00007FF8926A0000-0x00007FF8926A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads