tinba | 43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 05:53

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General

Target

43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5.exe
Size

45KB
MD5

955fd7943da0a3bb646e336569b8ce99
SHA1

bb689d81a522cc010e0a945ec7f6b56aa5410bd8
SHA256

43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5
SHA512

3ed370d70dcc517b2b9aa16d310483346d4a4909f9dbdeb87a0a0cbb26eafeb396beeb5d1056128464fb6055cd861c6189349e5f8c7a6829064832f9c51238e3
SSDEEP

768:rhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:NsWE9N5dFu53dsniQaB/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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\6628A99B = "C:\\Users\\Admin\\AppData\\Roaming\\6628A99B\\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/2572-0-0x0000000000400000-0x000000000041D000-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	43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe
2684	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2684	winver.exe
1140	Explorer.EXE
1140	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1140	Explorer.EXE
1140	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2684	2572	43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5.exe	31
PID 2572 wrote to memory of 2684	2572	43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5.exe	31
PID 2572 wrote to memory of 2684	2572	43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5.exe	31
PID 2572 wrote to memory of 2684	2572	43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5.exe	31
PID 2572 wrote to memory of 2684	2572	43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5.exe	31
PID 2684 wrote to memory of 1140	2684	winver.exe	20
PID 2684 wrote to memory of 1056	2684	winver.exe	18
PID 2684 wrote to memory of 1100	2684	winver.exe	19
PID 2684 wrote to memory of 1140	2684	winver.exe	20
PID 2684 wrote to memory of 1508	2684	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1140
- C:\Users\Admin\AppData\Local\Temp\43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5.exe
  "C:\Users\Admin\AppData\Local\Temp\43859b3c2f2c07cca35f73d5f0d8248f72d9dfd82b8c8709dcf4107f3eb292c5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2572
- - 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:2684

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1508

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/1056-29-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1100-27-0x0000000076D61000-0x0000000076D62000-memory.dmp

Filesize
4KB

Download
memory/1100-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1100-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1140-28-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1140-4-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1140-22-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1140-10-0x0000000076D61000-0x0000000076D62000-memory.dmp

Filesize
4KB

Download
memory/1140-3-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1140-2-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1508-31-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/1508-32-0x0000000076D61000-0x0000000076D62000-memory.dmp

Filesize
4KB

Download
memory/1508-25-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/2572-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2572-13-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2572-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2572-5-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2572-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2684-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2684-7-0x0000000076F10000-0x0000000076F11000-memory.dmp

Filesize
4KB

Download
memory/2684-8-0x0000000076F0F000-0x0000000076F10000-memory.dmp

Filesize
4KB

Download
memory/2684-9-0x0000000076F0F000-0x0000000076F11000-memory.dmp

Filesize
8KB

Download
memory/2684-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2684-11-0x0000000076D10000-0x0000000076EB9000-memory.dmp

Filesize
1.7MB

Download