tinba | e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 05:38

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General

Target

e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e.exe
Size

45KB
MD5

a23101d39d1c17423c9e889a0e77b1fe
SHA1

95ac78074c82a9c393d1d09f98e4b0cbfd8c05e1
SHA256

e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e
SHA512

26524e9f445181269639c3f5f63864bfee379ddf42bd69cc21937e4cbcdf2da51160ed7ffb5b500d45bddf146754f0f3702d923f895287c329e5c4ce779ad0b2
SSDEEP

768:ChP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:usWE9N5dFu53dsniQaB/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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\19EF0BFE = "C:\\Users\\Admin\\AppData\\Roaming\\19EF0BFE\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2672-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2764	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2764	2672	e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e.exe	32
PID 2672 wrote to memory of 2764	2672	e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e.exe	32
PID 2672 wrote to memory of 2764	2672	e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e.exe	32
PID 2672 wrote to memory of 2764	2672	e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e.exe	32
PID 2672 wrote to memory of 2764	2672	e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e.exe	32
PID 2764 wrote to memory of 1200	2764	winver.exe	21
PID 2764 wrote to memory of 1112	2764	winver.exe	19
PID 2764 wrote to memory of 1160	2764	winver.exe	20
PID 2764 wrote to memory of 1200	2764	winver.exe	21
PID 2764 wrote to memory of 1300	2764	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e.exe
  "C:\Users\Admin\AppData\Local\Temp\e705d48ff883c7c13fc74031d653211cbd4043989af58636f6213b4e3e109e1e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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:2764

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1300

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/1112-27-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1112-28-0x0000000076D91000-0x0000000076D92000-memory.dmp

Filesize
4KB

Download
memory/1160-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1160-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1200-30-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000076D91000-0x0000000076D92000-memory.dmp

Filesize
4KB

Download
memory/1200-23-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1300-31-0x0000000076D91000-0x0000000076D92000-memory.dmp

Filesize
4KB

Download
memory/1300-26-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1300-32-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/2672-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2672-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2672-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2672-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2672-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2764-11-0x0000000076D40000-0x0000000076EE9000-memory.dmp

Filesize
1.7MB

Download
memory/2764-9-0x0000000076F3F000-0x0000000076F41000-memory.dmp

Filesize
8KB

Download
memory/2764-8-0x0000000076F3F000-0x0000000076F40000-memory.dmp

Filesize
4KB

Download
memory/2764-7-0x0000000076F40000-0x0000000076F41000-memory.dmp

Filesize
4KB

Download
memory/2764-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2764-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download