tinba | ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03/11/2024, 02:50

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General

Target

ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe
Size

610KB
MD5

9f19bdef237bc710e91c742acb2b6617
SHA1

05e62730d213452a22591271a34dc87d7f5cb393
SHA256

ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2
SHA512

5f972738c4b7d1e646cce3735a65e6483d982c835cd265f44d29a3ccc739a8e6fafd48b2a2151807e5a17a3e1d12ecf5e064116de219b80ab3f8749c1458ae51
SSDEEP

12288:FATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:vT+KjUdQqboyyWoK1NGqzuhb

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\43A976BD = "C:\\Users\\Admin\\AppData\\Roaming\\43A976BD\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3008	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 3008	2604	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	30
PID 2604 wrote to memory of 3008	2604	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	30
PID 2604 wrote to memory of 3008	2604	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	30
PID 2604 wrote to memory of 3008	2604	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	30
PID 2604 wrote to memory of 3008	2604	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	30
PID 3008 wrote to memory of 1204	3008	winver.exe	21
PID 3008 wrote to memory of 1116	3008	winver.exe	19
PID 3008 wrote to memory of 1164	3008	winver.exe	20
PID 3008 wrote to memory of 1204	3008	winver.exe	21
PID 3008 wrote to memory of 324	3008	winver.exe	25
PID 3008 wrote to memory of 2604	3008	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe
  "C:\Users\Admin\AppData\Local\Temp\ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2604
- - 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:3008

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:324

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 Information Discovery

T1082

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/324-20-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/324-26-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1116-11-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1164-29-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x0000000002B70000-0x0000000002B76000-memory.dmp

Filesize
24KB

Download
memory/1204-17-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002B70000-0x0000000002B76000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x0000000002B70000-0x0000000002B76000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

Download
memory/2604-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3008-4-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/3008-25-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3008-31-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download