tinba | d81b613ab829e8b1b1e9a765e8084f625c555be0cedd3c3ee3fe7b97cce9df37

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 06:25

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General

Target

2930d161a8734579212c9f160b600500N.exe
Size

45KB
MD5

2930d161a8734579212c9f160b600500
SHA1

73d531c3db12ddad5a001ea673179f48203b878c
SHA256

d81b613ab829e8b1b1e9a765e8084f625c555be0cedd3c3ee3fe7b97cce9df37
SHA512

687de90f560d647dd335c7b861ebd6354dd889e2b19591fbfeb5caa8fd4e5952ef373e3416bd0c7e56c18954001fd226a8fe9b89fb33ca3a49296edb4c5dfe16
SSDEEP

768:FhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:XsWE9N5dFu53dsniQaB/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/2064-0-0x0000000000400000-0x000000000041D000-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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\08F2DA5D = "C:\\Users\\Admin\\AppData\\Roaming\\08F2DA5D\\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	2930d161a8734579212c9f160b600500N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2088	winver.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2088	2064	2930d161a8734579212c9f160b600500N.exe	31
PID 2064 wrote to memory of 2088	2064	2930d161a8734579212c9f160b600500N.exe	31
PID 2064 wrote to memory of 2088	2064	2930d161a8734579212c9f160b600500N.exe	31
PID 2064 wrote to memory of 2088	2064	2930d161a8734579212c9f160b600500N.exe	31
PID 2064 wrote to memory of 2088	2064	2930d161a8734579212c9f160b600500N.exe	31
PID 2088 wrote to memory of 1188	2088	winver.exe	21
PID 2088 wrote to memory of 1104	2088	winver.exe	19
PID 2088 wrote to memory of 1160	2088	winver.exe	20
PID 2088 wrote to memory of 1188	2088	winver.exe	21
PID 2088 wrote to memory of 1348	2088	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1188
- C:\Users\Admin\AppData\Local\Temp\2930d161a8734579212c9f160b600500N.exe
  "C:\Users\Admin\AppData\Local\Temp\2930d161a8734579212c9f160b600500N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2064
- - 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:2088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1348

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/1104-25-0x0000000076DF1000-0x0000000076DF2000-memory.dmp

Filesize
4KB

Download
memory/1104-24-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1160-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1160-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1188-26-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000076DF1000-0x0000000076DF2000-memory.dmp

Filesize
4KB

Download
memory/1188-21-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1348-29-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/1348-30-0x0000000076DF1000-0x0000000076DF2000-memory.dmp

Filesize
4KB

Download
memory/1348-23-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/2064-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2064-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2064-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2064-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2064-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2088-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2088-7-0x0000000076FA0000-0x0000000076FA1000-memory.dmp

Filesize
4KB

Download
memory/2088-28-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2088-8-0x0000000076F9F000-0x0000000076FA0000-memory.dmp

Filesize
4KB

Download
memory/2088-9-0x0000000076F9F000-0x0000000076FA1000-memory.dmp

Filesize
8KB

Download
memory/2088-11-0x0000000076DA0000-0x0000000076F49000-memory.dmp

Filesize
1.7MB

Download