tinba | 48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183

Analysis

max time kernel
109s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2024 01:59

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General

Target

48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe
Size

45KB
MD5

f7bdccb7da7410fd5b8209c1df4420b0
SHA1

688d6e73e6eb938ded786cbbc549a690baaa8883
SHA256

48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183
SHA512

45468cedc98f31c8d53fca204782b9d766c54baf76600ef7774a899e9c2b9bfdd814629a2555d77d6eac9f51f91442331577219306fed162f95deb13279a26e0
SSDEEP

768:JhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:TsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5C113A6F = "C:\\Users\\Admin\\AppData\\Roaming\\5C113A6F\\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/3028-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2852	3396	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	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3396	winver.exe
3396	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3396	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 3396	3028	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe	83
PID 3028 wrote to memory of 3396	3028	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe	83
PID 3028 wrote to memory of 3396	3028	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe	83
PID 3028 wrote to memory of 3396	3028	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe	83
PID 3396 wrote to memory of 3356	3396	winver.exe	55
PID 3396 wrote to memory of 2876	3396	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2876

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3356
- C:\Users\Admin\AppData\Local\Temp\48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe
  "C:\Users\Admin\AppData\Local\Temp\48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3028
- - 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:3396
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 352
      4⤵
      Program crash
      PID:2852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3396 -ip 3396
1⤵
PID:2400

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/2876-13-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3028-4-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/3028-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3028-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3028-9-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/3028-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3356-3-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3356-6-0x00007FFFEB40D000-0x00007FFFEB40E000-memory.dmp

Filesize
4KB

Download
memory/3356-2-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3396-5-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

Filesize
4KB

Download
memory/3396-7-0x00007FFFEB370000-0x00007FFFEB565000-memory.dmp

Filesize
2.0MB

Download
memory/3396-11-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download
memory/3396-14-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download