tinba | 78adb1f3877be81f8aab97d12e0a00b44796b9874290512d7bdf68d154123104

General

Target

32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe
Size

59KB
MD5

20ec96f2c9d249790ca144dd130e60a9
SHA1

51ebe60c8d0d22ba6afec37ba0ea806d88d98dca
SHA256

78adb1f3877be81f8aab97d12e0a00b44796b9874290512d7bdf68d154123104
SHA512

27f81a89aa9501edbfaeaa349b85d7f20cbca85aa81b1079d436c8a1e1ab03fe7c028471af6c0246a4c84bdfab1cc1d76caf4c1611220cccbcd7b9779916567a
SSDEEP

768:x+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9JQ:x+mFM2HXKZgiFP7xIksu+XM5O9JQ

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4E1E9CF9 = "C:\\Users\\Admin\\AppData\\Roaming\\4E1E9CF9\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4340	4796	WerFault.exe	84

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	32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4796	winver.exe
4796	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4796	winver.exe
3432	Explorer.EXE
3432	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 4796	1388	32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe	84
PID 1388 wrote to memory of 4796	1388	32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe	84
PID 1388 wrote to memory of 4796	1388	32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe	84
PID 1388 wrote to memory of 4796	1388	32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe	84
PID 4796 wrote to memory of 3432	4796	winver.exe	56
PID 4796 wrote to memory of 3000	4796	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3000

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3432
- C:\Users\Admin\AppData\Local\Temp\32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe
  "C:\Users\Admin\AppData\Local\Temp\32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1388
- - 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:4796
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 352
      4⤵
      Program crash
      PID:4340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4796 -ip 4796
1⤵
PID:1544

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/1388-9-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1388-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1388-3-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1388-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3000-14-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3432-5-0x00007FFE8272D000-0x00007FFE8272E000-memory.dmp

Filesize
4KB

Download
memory/3432-1-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/3432-10-0x00007FFE828A0000-0x00007FFE828A1000-memory.dmp

Filesize
4KB

Download
memory/3432-7-0x00007FFE828C0000-0x00007FFE828C1000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/4796-6-0x00007FFE82690000-0x00007FFE82885000-memory.dmp

Filesize
2.0MB

Download
memory/4796-4-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/4796-12-0x0000000000A50000-0x0000000000A56000-memory.dmp

Filesize
24KB

Download
memory/4796-15-0x0000000000A50000-0x0000000000A56000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads