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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9F3D7A11 = "C:\\Users\\Admin\\AppData\\Roaming\\9F3D7A11\\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/456-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2468	3020	WerFault.exe	85

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	41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3020	winver.exe
3020	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3020	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 3020	456	41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe	85
PID 456 wrote to memory of 3020	456	41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe	85
PID 456 wrote to memory of 3020	456	41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe	85
PID 456 wrote to memory of 3020	456	41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe	85
PID 3020 wrote to memory of 3504	3020	winver.exe	56
PID 3020 wrote to memory of 2548	3020	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2548

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3504
- 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:456
- - 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:3020
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 352
      4⤵
      Program crash
      PID:2468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3020 -ip 3020
1⤵
PID:4464

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/456-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/456-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/456-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/456-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/456-10-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/2548-17-0x00007FFCE4030000-0x00007FFCE4031000-memory.dmp

Filesize
4KB

Download
memory/2548-14-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3020-12-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/3020-5-0x00000000771E2000-0x00000000771E3000-memory.dmp

Filesize
4KB

Download
memory/3020-15-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/3020-7-0x00007FFCE3E10000-0x00007FFCE4005000-memory.dmp

Filesize
2.0MB

Download
memory/3504-2-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/3504-8-0x00007FFCE4040000-0x00007FFCE4041000-memory.dmp

Filesize
4KB

Download
memory/3504-6-0x00007FFCE3EAD000-0x00007FFCE3EAE000-memory.dmp

Filesize
4KB

Download
memory/3504-3-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads