tinba | e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9

Analysis

max time kernel
139s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 14:17

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General

Target

e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe
Size

88KB
MD5

dd185915d998c8a50f5d3e465e1b82b9
SHA1

4a20a739ad79fa100356c27705484e4db267a9b5
SHA256

e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9
SHA512

038f37969caf3ea9cde31c16278bcfeb77c66384ca2f7be3944b4a9def97a44c9a068207903bc0a67ea8a80ce9be925b602f16aa672f1a12d5ec59d2ddecab1d
SSDEEP

1536:J5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:J5fvp12UFKcD/6jwqWsNI

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\548225BB = "C:\\Users\\Admin\\AppData\\Roaming\\548225BB\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4836	1640	WerFault.exe	84

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	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1640	winver.exe
1640	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1640	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 1640	676	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe	84
PID 676 wrote to memory of 1640	676	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe	84
PID 676 wrote to memory of 1640	676	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe	84
PID 676 wrote to memory of 1640	676	e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe	84
PID 1640 wrote to memory of 3520	1640	winver.exe	56
PID 1640 wrote to memory of 2544	1640	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe
  "C:\Users\Admin\AppData\Local\Temp\e8af88c099812a5cfb5b593508f38daa53864c907f3033acee6a9d77c2063bd9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:676
- - 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:1640
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 352
      4⤵
      Program crash
      PID:4836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1640 -ip 1640
1⤵
PID:3244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/676-0-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/676-3-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/676-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/676-8-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/1640-4-0x0000000077B12000-0x0000000077B13000-memory.dmp

Filesize
4KB

Download
memory/1640-6-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

Filesize
2.0MB

Download
memory/1640-10-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1640-13-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/2544-12-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3520-1-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3520-5-0x00007FFE2EDCD000-0x00007FFE2EDCE000-memory.dmp

Filesize
4KB

Download