tinba | cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89

General

Target

cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89N.exe
Size

110KB
MD5

9553004dea6cc4ca6ec9dc94c85b6200
SHA1

62c631c4782863ed0746a72de08db890a9667696
SHA256

cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89
SHA512

97b368296e4fbe6257e14566389f865938987ab0aa27db1eb1540808e21c5918e8c695acb72387bf8db60b08461bc34a0e2dff00df759521e942b30a72d3f717
SSDEEP

1536:ZiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:ZiyvRmDLs/ZrwWJjAqGcRJ2hg

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

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C59BED8D = "C:\\Users\\Admin\\AppData\\Roaming\\C59BED8D\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/964-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2832 2768 WerFault.exe winver.exe

pid	pid_target	process	target process
2832	2768	WerFault.exe	winver.exe

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

Processes:

cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89N.exewinver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winver.exe

pid process

2768 winver.exe
2768 winver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 3436 Explorer.EXE
Token: SeCreatePagefilePrivilege 3436 Explorer.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

2768 winver.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3436 Explorer.EXE

pid	process
2768	winver.exe
2768	winver.exe

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

pid	process
2768	winver.exe

pid	process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89N.exewinver.exe

description	pid	process	target process
PID 964 wrote to memory of 2768	964	cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89N.exe	winver.exe
PID 964 wrote to memory of 2768	964	cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89N.exe	winver.exe
PID 964 wrote to memory of 2768	964	cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89N.exe	winver.exe
PID 964 wrote to memory of 2768	964	cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89N.exe	winver.exe
PID 2768 wrote to memory of 3436	2768	winver.exe	Explorer.EXE
PID 2768 wrote to memory of 2684	2768	winver.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2684

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89N.exe
  "C:\Users\Admin\AppData\Local\Temp\cff378b9e74d6be946cdbd7aeca4528bc8775521e3cad6575bd02f886d1beb89N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:964
- - 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:2768
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 308
      4⤵
      Program crash
      PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2768 -ip 2768
1⤵
PID:2016

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/964-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/964-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/964-2-0x0000000002300000-0x0000000002D00000-memory.dmp

Filesize
10.0MB

Download
memory/964-11-0x0000000002300000-0x0000000002D00000-memory.dmp

Filesize
10.0MB

Download
memory/964-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2684-18-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/2684-15-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/2768-6-0x00000000778F2000-0x00000000778F3000-memory.dmp

Filesize
4KB

Download
memory/2768-5-0x0000000002490000-0x0000000002496000-memory.dmp

Filesize
24KB

Download
memory/2768-16-0x0000000002490000-0x0000000002496000-memory.dmp

Filesize
24KB

Download
memory/3436-8-0x00007FF94DC20000-0x00007FF94DC21000-memory.dmp

Filesize
4KB

Download
memory/3436-7-0x00007FF94DA8D000-0x00007FF94DA8E000-memory.dmp

Filesize
4KB

Download
memory/3436-3-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/3436-4-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads