tinba | 75a02f10024c9590966bac7b29558f12280d0d2a3fc38b8b1fd972f4c162fb0c

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 11:29

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General

Target

483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe
Size

88KB
MD5

42ffa469f1e561ffe9f3692e7597ae01
SHA1

74914e574178df543f1bfe0abae25485d7279731
SHA256

483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd
SHA512

32482df140c96c37eec5d53028bbf216797afc6d408d91ec2bd2b2ba219377407cfc80cc928dc246314b1fad112b295d52b99c0ee3e9f31b4a821d8c3e9043d6
SSDEEP

1536:05nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:05fvp12UFKcD/6jwqWsN

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

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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\88454D3A = "C:\\Users\\Admin\\AppData\\Roaming\\88454D3A\\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	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2772	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2772	2664	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe	32
PID 2664 wrote to memory of 2772	2664	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe	32
PID 2664 wrote to memory of 2772	2664	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe	32
PID 2664 wrote to memory of 2772	2664	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe	32
PID 2664 wrote to memory of 2772	2664	483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe	32
PID 2772 wrote to memory of 1148	2772	winver.exe	20
PID 2772 wrote to memory of 1080	2772	winver.exe	18
PID 2772 wrote to memory of 1092	2772	winver.exe	19
PID 2772 wrote to memory of 1148	2772	winver.exe	20
PID 2772 wrote to memory of 1960	2772	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1092

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1148
- C:\Users\Admin\AppData\Local\Temp\483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe
  "C:\Users\Admin\AppData\Local\Temp\483aea1a285779f49a95ae0504138fd55471a7513c7d839f3874997681cff0bd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - 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:2772

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1960

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/1080-27-0x0000000076E31000-0x0000000076E32000-memory.dmp

Filesize
4KB

Download
memory/1080-26-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1092-30-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1092-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1148-25-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1148-3-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1148-2-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1148-9-0x0000000076E31000-0x0000000076E32000-memory.dmp

Filesize
4KB

Download
memory/1148-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1148-22-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1960-29-0x0000000076E31000-0x0000000076E32000-memory.dmp

Filesize
4KB

Download
memory/1960-24-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1960-28-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/2664-4-0x0000000001DF0000-0x00000000027F0000-memory.dmp

Filesize
10.0MB

Download
memory/2664-12-0x0000000001DF0000-0x00000000027F0000-memory.dmp

Filesize
10.0MB

Download
memory/2664-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2664-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2772-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2772-10-0x0000000076DE0000-0x0000000076F89000-memory.dmp

Filesize
1.7MB

Download
memory/2772-8-0x0000000076FDF000-0x0000000076FE1000-memory.dmp

Filesize
8KB

Download
memory/2772-7-0x0000000076FDF000-0x0000000076FE0000-memory.dmp

Filesize
4KB

Download
memory/2772-6-0x0000000076FE0000-0x0000000076FE1000-memory.dmp

Filesize
4KB

Download
memory/2772-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download