tinba | e33a86556a9a3be7b763fd74075acb45df5c21d5dc97bdad01d8c23247b603ab

General

Target

e33a86556a9a3be7b763fd74075acb45df5c21d5dc97bdad01d8c23247b603ab.exe
Size

45KB
MD5

101b9ddfc57fd34144a117e970849893
SHA1

29a8a09478817d269c4f3f7218b553eae1740f63
SHA256

e33a86556a9a3be7b763fd74075acb45df5c21d5dc97bdad01d8c23247b603ab
SHA512

4ec697c6d18510638c355272f9e143b2757814bcd0b1cfcd06caec6ff7d1d952773b6a08b495134f989ee6e59cddde3813f1c4dd5ae0e3db3adadb57e1812c66
SSDEEP

768:+hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:SsWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-100612193-3312047696-905266872-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FFBBEE79 = "C:\\Users\\Admin\\AppData\\Roaming\\FFBBEE79\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4772-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3872	3084	WerFault.exe	90

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e33a86556a9a3be7b763fd74075acb45df5c21d5dc97bdad01d8c23247b603ab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3084	winver.exe
3084	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3084	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3352	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 3084	4772	e33a86556a9a3be7b763fd74075acb45df5c21d5dc97bdad01d8c23247b603ab.exe	90
PID 4772 wrote to memory of 3084	4772	e33a86556a9a3be7b763fd74075acb45df5c21d5dc97bdad01d8c23247b603ab.exe	90
PID 4772 wrote to memory of 3084	4772	e33a86556a9a3be7b763fd74075acb45df5c21d5dc97bdad01d8c23247b603ab.exe	90
PID 4772 wrote to memory of 3084	4772	e33a86556a9a3be7b763fd74075acb45df5c21d5dc97bdad01d8c23247b603ab.exe	90
PID 3084 wrote to memory of 3352	3084	winver.exe	55
PID 3084 wrote to memory of 2660	3084	winver.exe	45

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 UnmapMainImage
PID:3352
- C:\Users\Admin\AppData\Local\Temp\e33a86556a9a3be7b763fd74075acb45df5c21d5dc97bdad01d8c23247b603ab.exe
  "C:\Users\Admin\AppData\Local\Temp\e33a86556a9a3be7b763fd74075acb45df5c21d5dc97bdad01d8c23247b603ab.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4772
- - 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:3084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 352
      4⤵
      Program crash
      PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3084 -ip 3084
1⤵
PID:1580

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

Replay Monitor

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Downloads

memory/2660-14-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/2660-17-0x00007FF858E50000-0x00007FF858E51000-memory.dmp

Filesize
4KB

Download
memory/2660-16-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/3084-7-0x00007FF858C30000-0x00007FF858E25000-memory.dmp

Filesize
2.0MB

Download
memory/3084-5-0x0000000077422000-0x0000000077423000-memory.dmp

Filesize
4KB

Download
memory/3084-12-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3084-15-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3352-6-0x00007FF858CCD000-0x00007FF858CCE000-memory.dmp

Filesize
4KB

Download
memory/3352-10-0x00007FF858E60000-0x00007FF858E61000-memory.dmp

Filesize
4KB

Download
memory/3352-2-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/3352-3-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/4772-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4772-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/4772-9-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/4772-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4772-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads