tinba | f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2025 08:18

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General

Target

f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe
Size

110KB
MD5

0f5650a13cb902766ba842bf6d2f44b9
SHA1

c06c282cadf134b73e625d217e55cd057efda4a7
SHA256

f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806
SHA512

7825f3925d9d23bd48921d6504bc5e2cae9afb5debd7acb28f556e5bf4d81aaec9825ef462f225bc69100e36ed8e85e4b42948d2598889784fbf08c4f26e5cda
SSDEEP

1536:FiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:FiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A8E91511 = "C:\\Users\\Admin\\AppData\\Roaming\\A8E91511\\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/4756-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3588	1020	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	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1020	winver.exe
1020	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1020	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 1020	4756	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe	83
PID 4756 wrote to memory of 1020	4756	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe	83
PID 4756 wrote to memory of 1020	4756	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe	83
PID 4756 wrote to memory of 1020	4756	f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe	83
PID 1020 wrote to memory of 3432	1020	winver.exe	56
PID 1020 wrote to memory of 2636	1020	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe
  "C:\Users\Admin\AppData\Local\Temp\f8de686e0d09b6a668dc28a5ab7ceac7e45f541e6434bf7c6adf68f3425f8806.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4756
- - 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:1020
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 352
      4⤵
      Program crash
      PID:3588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1020 -ip 1020
1⤵
PID:2552

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

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Downloads

memory/1020-6-0x00007FFD9DB90000-0x00007FFD9DD85000-memory.dmp

Filesize
2.0MB

Download
memory/1020-10-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/1020-13-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/2636-12-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3432-5-0x00007FFD9DC2D000-0x00007FFD9DC2E000-memory.dmp

Filesize
4KB

Download
memory/4756-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4756-1-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/4756-4-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download
memory/4756-7-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4756-8-0x0000000002370000-0x0000000002D70000-memory.dmp

Filesize
10.0MB

Download