tinba | c9bc57dd415dc8354bd543a40cbb5949e1e66f434c287d2fb09a79bd13955f7d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/09/2024, 04:46

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General

Target

dfef0ae5742587850de5c9e963223110N.exe
Size

45KB
MD5

dfef0ae5742587850de5c9e963223110
SHA1

0a32c1abf7cc4a179aa0a1defdfe5176555aba97
SHA256

c9bc57dd415dc8354bd543a40cbb5949e1e66f434c287d2fb09a79bd13955f7d
SHA512

bc200d5c5085b4760b950424a128c43b1f9d70a2a67a834bdda68aed7362f0574b18298e1ca9813417ec7bd70be23cb448ba89a037729fecca3ff3799e19bd9d
SSDEEP

768:ZhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:DsWE9N5dFu53dsniQaB/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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2316-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\F5DD2205 = "C:\\Users\\Admin\\AppData\\Roaming\\F5DD2205\\bin.exe"	winver.exe

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	dfef0ae5742587850de5c9e963223110N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe
2148	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2148	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2148	2316	dfef0ae5742587850de5c9e963223110N.exe	29
PID 2316 wrote to memory of 2148	2316	dfef0ae5742587850de5c9e963223110N.exe	29
PID 2316 wrote to memory of 2148	2316	dfef0ae5742587850de5c9e963223110N.exe	29
PID 2316 wrote to memory of 2148	2316	dfef0ae5742587850de5c9e963223110N.exe	29
PID 2316 wrote to memory of 2148	2316	dfef0ae5742587850de5c9e963223110N.exe	29
PID 2148 wrote to memory of 1080	2148	winver.exe	18
PID 2148 wrote to memory of 1044	2148	winver.exe	17
PID 2148 wrote to memory of 1080	2148	winver.exe	18
PID 2148 wrote to memory of 1088	2148	winver.exe	19
PID 2148 wrote to memory of 1176	2148	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1080
- C:\Users\Admin\AppData\Local\Temp\dfef0ae5742587850de5c9e963223110N.exe
  "C:\Users\Admin\AppData\Local\Temp\dfef0ae5742587850de5c9e963223110N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2316
- - 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:2148

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1176

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/1044-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1044-26-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1080-3-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1080-20-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1080-2-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1080-4-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1080-10-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1080-30-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1088-22-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1088-31-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1176-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/2148-11-0x0000000077C90000-0x0000000077E39000-memory.dmp

Filesize
1.7MB

Download
memory/2148-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2148-7-0x0000000077E90000-0x0000000077E91000-memory.dmp

Filesize
4KB

Download
memory/2148-8-0x0000000077E8F000-0x0000000077E90000-memory.dmp

Filesize
4KB

Download
memory/2148-27-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2148-9-0x0000000077E8F000-0x0000000077E91000-memory.dmp

Filesize
8KB

Download
memory/2148-36-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2316-13-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2316-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2316-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2316-5-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2316-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download