tinba | 7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafc

Analysis

max time kernel
108s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 04:14

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General

Target

7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe
Size

45KB
MD5

64b691c3a11e721b54ec228482cb68b0
SHA1

2b6396240569b2846a27d42b0e086f247edaaa95
SHA256

7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafc
SHA512

a75c4162755769570691e3d43ad5b313e1d11e83fa97e626d0f5c7914bc1e86018698b18b0b5c38b5be62bbd21a2393009e0bab8825663670780fdc7d46378b7
SSDEEP

768:shP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:AsWE9N5dFu53dsniQaB/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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\002050C3 = "C:\\Users\\Admin\\AppData\\Roaming\\002050C3\\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/3196-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1512	1952	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	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1952	winver.exe
1952	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1952	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3196 wrote to memory of 1952	3196	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe	83
PID 3196 wrote to memory of 1952	3196	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe	83
PID 3196 wrote to memory of 1952	3196	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe	83
PID 3196 wrote to memory of 1952	3196	7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe	83
PID 1952 wrote to memory of 3420	1952	winver.exe	56
PID 1952 wrote to memory of 2988	1952	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2988

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe
  "C:\Users\Admin\AppData\Local\Temp\7cfc984695451810f4e5a47a7bf6189a63641ad54207a2ff883e66dad67deafcN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3196
- - 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:1952
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 352
      4⤵
      Program crash
      PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 1952 -ip 1952
1⤵
PID:4604

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/1952-5-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/1952-15-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Filesize
24KB

Download
memory/1952-12-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Filesize
24KB

Download
memory/1952-7-0x00007FFD4F370000-0x00007FFD4F565000-memory.dmp

Filesize
2.0MB

Download
memory/2988-14-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/3196-10-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3196-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3196-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3196-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3196-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3420-6-0x00007FFD4F40D000-0x00007FFD4F40E000-memory.dmp

Filesize
4KB

Download
memory/3420-3-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3420-2-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download