tinba | 1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6

Analysis

max time kernel
115s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 21:44

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General

Target

1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe
Size

110KB
MD5

96152f54bc2fbc1a53583d4595e5fd62
SHA1

b641ffa87cb99428710358babe7b13bfccae65ec
SHA256

1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6
SHA512

b5dd1a10e93d5df1c848a35d6a1297078411ced10c5085c3c9505cada548a327a2f82ac30994b09a46f4b46e9f3d41f3fd74626a35cf7f2117b9b3bfc281cb42
SSDEEP

1536:tiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:tiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A9FB2A4A = "C:\\Users\\Admin\\AppData\\Roaming\\A9FB2A4A\\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/4060-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4692	4016	WerFault.exe	83

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	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4016	winver.exe
4016	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4016	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 4016	4060	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe	83
PID 4060 wrote to memory of 4016	4060	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe	83
PID 4060 wrote to memory of 4016	4060	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe	83
PID 4060 wrote to memory of 4016	4060	1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe	83
PID 4016 wrote to memory of 3388	4016	winver.exe	56
PID 4016 wrote to memory of 2488	4016	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2488

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3388
- C:\Users\Admin\AppData\Local\Temp\1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe
  "C:\Users\Admin\AppData\Local\Temp\1986d1c97fe2b236bac420b7bd3ac679bdc7d145db9b4c04cba3dd2724d19ea6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4060
- - 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:4016
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 352
      4⤵
      Program crash
      PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4016 -ip 4016
1⤵
PID:900

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/2488-14-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/3388-3-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3388-2-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3388-6-0x00007FFC2252D000-0x00007FFC2252E000-memory.dmp

Filesize
4KB

Download
memory/4016-12-0x0000000000F30000-0x0000000000F36000-memory.dmp

Filesize
24KB

Download
memory/4016-15-0x0000000000F30000-0x0000000000F36000-memory.dmp

Filesize
24KB

Download
memory/4016-5-0x0000000077DB2000-0x0000000077DB3000-memory.dmp

Filesize
4KB

Download
memory/4016-7-0x00007FFC22490000-0x00007FFC22685000-memory.dmp

Filesize
2.0MB

Download
memory/4060-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/4060-10-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/4060-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4060-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4060-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download