tinba | 7e440732386db6b9eb20dda25d8857b0d4713aef875697e0a1830457168e7647

Analysis

max time kernel
95s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/12/2024, 23:29

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General

Target

7e440732386db6b9eb20dda25d8857b0d4713aef875697e0a1830457168e7647.exe
Size

45KB
MD5

a93d55401d0a7bf4b5a6f7c9a3f07d14
SHA1

3cb09c629cbf8a6f6037d4c88be98671580c178f
SHA256

7e440732386db6b9eb20dda25d8857b0d4713aef875697e0a1830457168e7647
SHA512

688ecac5cfb8bb0013fa7fd0e9297b73410bfbe881557a7ee0a5b8ee06b48a3a645b0448d2e7eaf277af7501d1338beb5df8c3006ff1053c2c192ea9c1549fe8
SSDEEP

768:ohP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:UsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2BCCDC89 = "C:\\Users\\Admin\\AppData\\Roaming\\2BCCDC89\\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/5108-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3996	3668	WerFault.exe	84

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	7e440732386db6b9eb20dda25d8857b0d4713aef875697e0a1830457168e7647.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3668	winver.exe
3668	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
3668	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 3668	5108	7e440732386db6b9eb20dda25d8857b0d4713aef875697e0a1830457168e7647.exe	84
PID 5108 wrote to memory of 3668	5108	7e440732386db6b9eb20dda25d8857b0d4713aef875697e0a1830457168e7647.exe	84
PID 5108 wrote to memory of 3668	5108	7e440732386db6b9eb20dda25d8857b0d4713aef875697e0a1830457168e7647.exe	84
PID 5108 wrote to memory of 3668	5108	7e440732386db6b9eb20dda25d8857b0d4713aef875697e0a1830457168e7647.exe	84
PID 3668 wrote to memory of 3520	3668	winver.exe	56
PID 3668 wrote to memory of 2864	3668	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2864

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\7e440732386db6b9eb20dda25d8857b0d4713aef875697e0a1830457168e7647.exe
  "C:\Users\Admin\AppData\Local\Temp\7e440732386db6b9eb20dda25d8857b0d4713aef875697e0a1830457168e7647.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5108
- - 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:3668
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 352
      4⤵
      Program crash
      PID:3996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3668 -ip 3668
1⤵
PID:4916

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/2864-13-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFB70A6D000-0x00007FFB70A6E000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000001200000-0x0000000001206000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000001200000-0x0000000001206000-memory.dmp

Filesize
24KB

Download
memory/3668-5-0x00000000772B2000-0x00000000772B3000-memory.dmp

Filesize
4KB

Download
memory/3668-7-0x00007FFB709D0000-0x00007FFB70BC5000-memory.dmp

Filesize
2.0MB

Download
memory/3668-11-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

Filesize
24KB

Download
memory/3668-14-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

Filesize
24KB

Download
memory/5108-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/5108-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5108-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5108-9-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/5108-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download