tinba | 9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7

General

Target

9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe
Size

45KB
MD5

3fad17be28ed27c872a826a49cd4be50
SHA1

c77ddabf1d5c9aa0d1eff9903ff444dca61bdfe0
SHA256

9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7
SHA512

c8f1394d2bcaed4d5091e9f0aff34476de987e25eb8603d48b523b262c6ebcf8da9275650dac4738ea150ecbac085aa43111705bc97c90a022047b0c8a40c240
SSDEEP

768:8hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:wsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\20A3E3F2 = "C:\\Users\\Admin\\AppData\\Roaming\\20A3E3F2\\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/3480-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1868	2292	WerFault.exe	86

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	9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2292	winver.exe
2292	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2292	winver.exe
3452	Explorer.EXE
3452	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 2292	3480	9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe	86
PID 3480 wrote to memory of 2292	3480	9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe	86
PID 3480 wrote to memory of 2292	3480	9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe	86
PID 3480 wrote to memory of 2292	3480	9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe	86
PID 2292 wrote to memory of 3452	2292	winver.exe	56
PID 2292 wrote to memory of 2552	2292	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3452
- C:\Users\Admin\AppData\Local\Temp\9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe
  "C:\Users\Admin\AppData\Local\Temp\9878f34c62ed11d343b4113f324796c5f05ff0cb3da51da1a782fb17b3f9ddb7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3480
- - 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:2292
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 352
      4⤵
      Program crash
      PID:1868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2292 -ip 2292
1⤵
PID:4896

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/2292-6-0x0000000077D32000-0x0000000077D33000-memory.dmp

Filesize
4KB

Download
memory/2292-15-0x0000000002920000-0x0000000002926000-memory.dmp

Filesize
24KB

Download
memory/2292-8-0x00007FFA9A2B0000-0x00007FFA9A4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2292-5-0x0000000002920000-0x0000000002926000-memory.dmp

Filesize
24KB

Download
memory/2552-14-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download
memory/3452-7-0x00007FFA9A34D000-0x00007FFA9A34E000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download
memory/3452-17-0x00007FFA9A4E0000-0x00007FFA9A4E1000-memory.dmp

Filesize
4KB

Download
memory/3452-18-0x00007FFA9A4C0000-0x00007FFA9A4C1000-memory.dmp

Filesize
4KB

Download
memory/3480-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/3480-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3480-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3480-10-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/3480-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads