tinba | 30497207ec26b9543a62f6d2f5c64e1438f9f3ed305f899b6350269e23806a94

Analysis

max time kernel
109s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2024, 00:58

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General

Target

30497207ec26b9543a62f6d2f5c64e1438f9f3ed305f899b6350269e23806a94N.exe
Size

59KB
MD5

7273122e2b2815050c51b1812928de00
SHA1

b1eb72208ff290bef7143d058f4163d314939ba2
SHA256

30497207ec26b9543a62f6d2f5c64e1438f9f3ed305f899b6350269e23806a94
SHA512

1a1fc69f41a28048c23dc39e0cc38886a30067d1d0036f01d60b01d3731f5dfd1652299aae1f99371e791d5b2a24ee4ce6b2181836b9558654815af27aef4a19
SSDEEP

768:2+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:2+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BC7949E9 = "C:\\Users\\Admin\\AppData\\Roaming\\BC7949E9\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1092	2976	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	30497207ec26b9543a62f6d2f5c64e1438f9f3ed305f899b6350269e23806a94N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2976	winver.exe
2976	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2976	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2976	2060	30497207ec26b9543a62f6d2f5c64e1438f9f3ed305f899b6350269e23806a94N.exe	84
PID 2060 wrote to memory of 2976	2060	30497207ec26b9543a62f6d2f5c64e1438f9f3ed305f899b6350269e23806a94N.exe	84
PID 2060 wrote to memory of 2976	2060	30497207ec26b9543a62f6d2f5c64e1438f9f3ed305f899b6350269e23806a94N.exe	84
PID 2060 wrote to memory of 2976	2060	30497207ec26b9543a62f6d2f5c64e1438f9f3ed305f899b6350269e23806a94N.exe	84
PID 2976 wrote to memory of 3492	2976	winver.exe	56
PID 2976 wrote to memory of 2476	2976	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2476

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3492
- C:\Users\Admin\AppData\Local\Temp\30497207ec26b9543a62f6d2f5c64e1438f9f3ed305f899b6350269e23806a94N.exe
  "C:\Users\Admin\AppData\Local\Temp\30497207ec26b9543a62f6d2f5c64e1438f9f3ed305f899b6350269e23806a94N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2060
- - 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:2976
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 352
      4⤵
      Program crash
      PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2976 -ip 2976
1⤵
PID:1116

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/2060-9-0x0000000002170000-0x0000000002B70000-memory.dmp

Filesize
10.0MB

Download
memory/2060-3-0x0000000002170000-0x0000000002B70000-memory.dmp

Filesize
10.0MB

Download
memory/2060-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2060-0-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2476-13-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/2976-4-0x0000000077812000-0x0000000077813000-memory.dmp

Filesize
4KB

Download
memory/2976-7-0x00007FFF2B130000-0x00007FFF2B325000-memory.dmp

Filesize
2.0MB

Download
memory/2976-11-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/2976-14-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/3492-2-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3492-1-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/3492-6-0x00007FFF2B1CC000-0x00007FFF2B1CD000-memory.dmp

Filesize
4KB

Download
memory/3492-5-0x00007FFF2B1CD000-0x00007FFF2B1CE000-memory.dmp

Filesize
4KB

Download