tinba | d9eaa104fad8662b9cd9b3da5efbf4ec7e37a747fc5ac469ab6f108cff0a8f4b

Analysis

max time kernel
112s
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
31/12/2024, 20:23

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General

Target

d9eaa104fad8662b9cd9b3da5efbf4ec7e37a747fc5ac469ab6f108cff0a8f4bN.exe
Size

45KB
MD5

67d0f6321fb0166c7af5dc0165fd4ac0
SHA1

8ff05c2aa955f33377196b9f8cc480c88d806d9e
SHA256

d9eaa104fad8662b9cd9b3da5efbf4ec7e37a747fc5ac469ab6f108cff0a8f4b
SHA512

6bcb368b70caece375ce36f3acfa04a2e5d89a330fdcd839a8de27a3b9469a9a46f4205316747a444776bc7191be2190ad3e02047b6f5254f7e5cd011991eb28
SSDEEP

768:qhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2n:GsWE9N5dFu53dsniQaB/xZ14n7zIF+qz

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\591DADA4 = "C:\\Users\\Admin\\AppData\\Roaming\\591DADA4\\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/2992-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1156	2212	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	d9eaa104fad8662b9cd9b3da5efbf4ec7e37a747fc5ac469ab6f108cff0a8f4bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2212	winver.exe
2212	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2212	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 2212	2992	d9eaa104fad8662b9cd9b3da5efbf4ec7e37a747fc5ac469ab6f108cff0a8f4bN.exe	84
PID 2992 wrote to memory of 2212	2992	d9eaa104fad8662b9cd9b3da5efbf4ec7e37a747fc5ac469ab6f108cff0a8f4bN.exe	84
PID 2992 wrote to memory of 2212	2992	d9eaa104fad8662b9cd9b3da5efbf4ec7e37a747fc5ac469ab6f108cff0a8f4bN.exe	84
PID 2992 wrote to memory of 2212	2992	d9eaa104fad8662b9cd9b3da5efbf4ec7e37a747fc5ac469ab6f108cff0a8f4bN.exe	84
PID 2212 wrote to memory of 3556	2212	winver.exe	56
PID 2212 wrote to memory of 2656	2212	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3556
- C:\Users\Admin\AppData\Local\Temp\d9eaa104fad8662b9cd9b3da5efbf4ec7e37a747fc5ac469ab6f108cff0a8f4bN.exe
  "C:\Users\Admin\AppData\Local\Temp\d9eaa104fad8662b9cd9b3da5efbf4ec7e37a747fc5ac469ab6f108cff0a8f4bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2992
- - 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:2212
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 352
      4⤵
      Program crash
      PID:1156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2212 -ip 2212
1⤵
PID:4628

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/2212-6-0x0000000077032000-0x0000000077033000-memory.dmp

Filesize
4KB

Download
memory/2212-15-0x0000000000FA0000-0x0000000000FA6000-memory.dmp

Filesize
24KB

Download
memory/2212-8-0x00007FF9F7B50000-0x00007FF9F7D45000-memory.dmp

Filesize
2.0MB

Download
memory/2212-5-0x0000000000FA0000-0x0000000000FA6000-memory.dmp

Filesize
24KB

Download
memory/2656-14-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/2992-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2992-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/2992-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2992-10-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/2992-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3556-7-0x00007FF9F7BED000-0x00007FF9F7BEE000-memory.dmp

Filesize
4KB

Download
memory/3556-2-0x0000000001430000-0x0000000001436000-memory.dmp

Filesize
24KB

Download
memory/3556-3-0x0000000001430000-0x0000000001436000-memory.dmp

Filesize
24KB

Download