tinba | 770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31/12/2024, 18:01

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General

Target

770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10.exe
Size

610KB
MD5

30ffd03ffe3587fe13ddccbf153180fd
SHA1

eae59dd93555561f2305beecce3d7caef8edfdfa
SHA256

770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10
SHA512

f86f5f2249c9bee276dea77ab36298dd61772d886c4a3cfd628ceaa872e8017abfe5fe46ea26c8e7be0c1f88d4f6fba2909e1e0cc1972faaae7df93613f977ff
SSDEEP

12288:WATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:oT+KjUdQqboyyWoK1NGqzuhR

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\5791756A = "C:\\Users\\Admin\\AppData\\Roaming\\5791756A\\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	770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2904	3016	770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10.exe	29
PID 3016 wrote to memory of 2904	3016	770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10.exe	29
PID 3016 wrote to memory of 2904	3016	770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10.exe	29
PID 3016 wrote to memory of 2904	3016	770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10.exe	29
PID 3016 wrote to memory of 2904	3016	770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10.exe	29
PID 2904 wrote to memory of 1204	2904	winver.exe	20
PID 2904 wrote to memory of 1104	2904	winver.exe	18
PID 2904 wrote to memory of 1168	2904	winver.exe	19
PID 2904 wrote to memory of 1204	2904	winver.exe	20
PID 2904 wrote to memory of 1628	2904	winver.exe	22

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10.exe
  "C:\Users\Admin\AppData\Local\Temp\770548ea80e8d552fbc601227bd21affcaa84a742f55af8f0530e718e8c6ba10.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3016
- - 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:2904

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1628

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/1104-24-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1104-11-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1168-14-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1204-17-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1204-25-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1628-20-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1628-27-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/2904-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/2904-4-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2904-29-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/3016-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download