tinba | aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146

Analysis

max time kernel
118s
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
27-11-2024 01:13

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General

Target

aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe
Size

45KB
MD5

c14ecc42bfdbff3c640b8357f73d8642
SHA1

f0d0da1d055ab712413ca22a6f085bf99e84c6b1
SHA256

aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146
SHA512

898146d2394a4368061b9bb01a36a7e7c45333d0f449c94e013e41bb4d06d99e17ff6696cdd95569d66a4f9d0dd7429282353a74876ca72af4b73a1942aa47c2
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:3sWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6DB815C3 = "C:\\Users\\Admin\\AppData\\Roaming\\6DB815C3\\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/2420-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
216	4752	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	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4752	winver.exe
4752	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4752	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 4752	2420	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe	84
PID 2420 wrote to memory of 4752	2420	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe	84
PID 2420 wrote to memory of 4752	2420	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe	84
PID 2420 wrote to memory of 4752	2420	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe	84
PID 4752 wrote to memory of 3444	4752	winver.exe	56
PID 4752 wrote to memory of 2672	4752	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2672

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe
  "C:\Users\Admin\AppData\Local\Temp\aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2420
- - 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:4752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 352
      4⤵
      Program crash
      PID:216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4752 -ip 4752
1⤵
PID:220

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/2420-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2420-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2420-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2420-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/2420-9-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/2672-13-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FF86554D000-0x00007FF86554E000-memory.dmp

Filesize
4KB

Download
memory/3444-3-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Filesize
24KB

Download
memory/4752-7-0x00007FF8654B0000-0x00007FF8656A5000-memory.dmp

Filesize
2.0MB

Download
memory/4752-5-0x00000000773D2000-0x00000000773D3000-memory.dmp

Filesize
4KB

Download
memory/4752-11-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/4752-14-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download