tinba | 41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113

General

Target

41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe
Size

45KB
MD5

3c98d084c7f255500e7e5a3e49d5e5b0
SHA1

0babaaab8b78f629487ed4f92297392a498882a9
SHA256

41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113
SHA512

9010d0f750ae51fb95d14b1933b70bc93ccf71ca800c71f14f7b87bcefeea117313cfabe66f07866ac8b2e89377ea7b73eac9f6196af1b186cd92751fbc1705d
SSDEEP

768:ahP0kDE9N5dCA8J7VHXdrIniQaBTT+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
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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A0DE3521 = "C:\\Users\\Admin\\AppData\\Roaming\\A0DE3521\\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/4120-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3812	3712	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3712	winver.exe
3712	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3712	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3568	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 3712	4120	41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe	87
PID 4120 wrote to memory of 3712	4120	41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe	87
PID 4120 wrote to memory of 3712	4120	41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe	87
PID 4120 wrote to memory of 3712	4120	41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe	87
PID 3712 wrote to memory of 3568	3712	winver.exe	56
PID 3712 wrote to memory of 2704	3712	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2704

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3568
- C:\Users\Admin\AppData\Local\Temp\41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe
  "C:\Users\Admin\AppData\Local\Temp\41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4120
- - 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:3712
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 352
      4⤵
      Program crash
      PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3712 -ip 3712
1⤵
PID:4956

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/2704-14-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2704-18-0x00007FFB01230000-0x00007FFB01231000-memory.dmp

Filesize
4KB

Download
memory/2704-17-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2704-15-0x00007FFB010AD000-0x00007FFB010AE000-memory.dmp

Filesize
4KB

Download
memory/3568-6-0x00007FFB010AD000-0x00007FFB010AE000-memory.dmp

Filesize
4KB

Download
memory/3568-8-0x00007FFB01240000-0x00007FFB01241000-memory.dmp

Filesize
4KB

Download
memory/3568-3-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3568-2-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3712-5-0x00000000776C2000-0x00000000776C3000-memory.dmp

Filesize
4KB

Download
memory/3712-7-0x00007FFB01010000-0x00007FFB01205000-memory.dmp

Filesize
2.0MB

Download
memory/3712-12-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/3712-16-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/4120-4-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/4120-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4120-10-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/4120-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4120-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads