tinba | 40a4664124814e2481b1c0c971ece9a1ef3483d74a390c6869e1fa635b63a32d

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2025 13:58

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General

Target

38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355.exe
Size

110KB
MD5

fe52f2d0bde65b46f3690d58dbf708c0
SHA1

f613b369fdd56bf29908f6a9f854a201adf9309a
SHA256

38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355
SHA512

02545224f492bd2169dd91dd0d79a6460d5d62279f0b839fc85eb283df1e286d8284ea522ac604280d3eb7499390c6cd5a4418ef0f6ec6017e4b71c9ac149ed6
SSDEEP

1536:2iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:2iyvRmDLs/ZrwWJjAqGcRJ2hw

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
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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2AD35CA4 = "C:\\Users\\Admin\\AppData\\Roaming\\2AD35CA4\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/640-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3548	3420	WerFault.exe	83

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3420	winver.exe
3420	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3420	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 3420	640	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355.exe	83
PID 640 wrote to memory of 3420	640	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355.exe	83
PID 640 wrote to memory of 3420	640	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355.exe	83
PID 640 wrote to memory of 3420	640	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355.exe	83
PID 3420 wrote to memory of 3496	3420	winver.exe	56
PID 3420 wrote to memory of 3020	3420	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3020

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3496
- C:\Users\Admin\AppData\Local\Temp\38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355.exe
  "C:\Users\Admin\AppData\Local\Temp\38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:640
- - 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:3420
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 352
      4⤵
      Program crash
      PID:3548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3420 -ip 3420
1⤵
PID:2784

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/640-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/640-1-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/640-9-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/640-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/640-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3020-13-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3420-5-0x0000000077342000-0x0000000077343000-memory.dmp

Filesize
4KB

Download
memory/3420-7-0x00007FF85BC10000-0x00007FF85BE05000-memory.dmp

Filesize
2.0MB

Download
memory/3420-11-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download
memory/3420-14-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download
memory/3496-6-0x00007FF85BCAD000-0x00007FF85BCAE000-memory.dmp

Filesize
4KB

Download
memory/3496-2-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/3496-3-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download