tinba | 48defed1049429cf6c93c7d81fc80867ca8e03ec7f0efedf0360ff122064909a

Analysis

max time kernel
118s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2024, 19:36

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General

Target

48defed1049429cf6c93c7d81fc80867ca8e03ec7f0efedf0360ff122064909aN.exe
Size

106KB
MD5

bbaecd6206813b81936c325bafb10c80
SHA1

3664e0065107723c2a21f0c27b49b3dd41b301d7
SHA256

48defed1049429cf6c93c7d81fc80867ca8e03ec7f0efedf0360ff122064909a
SHA512

38161085c49c4323fcaeefd3defb393bead9ead05baa2a3ad8a4ec586176ad67c30c57ec319df92fea7584b3a5780073ace23e30c87afc2f3ba89536fdb727d4
SSDEEP

768:b+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:b+mFM2QXtZgi9Iksu+XM57ipeq9JA

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9085B282 = "C:\\Users\\Admin\\AppData\\Roaming\\9085B282\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	2120	WerFault.exe	85

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	48defed1049429cf6c93c7d81fc80867ca8e03ec7f0efedf0360ff122064909aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2120	winver.exe
2120	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2120	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3520	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 2120	3404	48defed1049429cf6c93c7d81fc80867ca8e03ec7f0efedf0360ff122064909aN.exe	85
PID 3404 wrote to memory of 2120	3404	48defed1049429cf6c93c7d81fc80867ca8e03ec7f0efedf0360ff122064909aN.exe	85
PID 3404 wrote to memory of 2120	3404	48defed1049429cf6c93c7d81fc80867ca8e03ec7f0efedf0360ff122064909aN.exe	85
PID 3404 wrote to memory of 2120	3404	48defed1049429cf6c93c7d81fc80867ca8e03ec7f0efedf0360ff122064909aN.exe	85
PID 2120 wrote to memory of 3520	2120	winver.exe	56
PID 2120 wrote to memory of 2448	2120	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2448

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3520
- C:\Users\Admin\AppData\Local\Temp\48defed1049429cf6c93c7d81fc80867ca8e03ec7f0efedf0360ff122064909aN.exe
  "C:\Users\Admin\AppData\Local\Temp\48defed1049429cf6c93c7d81fc80867ca8e03ec7f0efedf0360ff122064909aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3404
- - 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:2120
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 356
      4⤵
      Program crash
      PID:2396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2120 -ip 2120
1⤵
PID:3900

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/2120-5-0x00000000776F2000-0x00000000776F3000-memory.dmp

Filesize
4KB

Download
memory/2120-16-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/2120-13-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/2120-7-0x00007FF9BE610000-0x00007FF9BE805000-memory.dmp

Filesize
2.0MB

Download
memory/2448-18-0x00007FF9BE830000-0x00007FF9BE831000-memory.dmp

Filesize
4KB

Download
memory/2448-15-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3404-10-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3404-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3404-11-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3404-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3404-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3520-6-0x00007FF9BE6AD000-0x00007FF9BE6AE000-memory.dmp

Filesize
4KB

Download
memory/3520-8-0x00007FF9BE840000-0x00007FF9BE841000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download