tinba | 099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/09/2024, 20:21

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General

Target

099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe
Size

160KB
MD5

303bf25192a72366070f7ce4564c5920
SHA1

4ea37220b6cf26ab39d89a0d2639fb53f2ea1348
SHA256

099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793
SHA512

3082f2cdd8ec3bbd107e21831be3c75b4f48ba2146c15c68e6d5fe5f1b14508e45aa13302bb2af5e052915ee893f8d18faa9d6ae75175c99023c97f5bb7355c1
SSDEEP

1536:REY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:aY+4MiIkLZJNAQ9J6v

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/972-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3749AFB9 = "C:\\Users\\Admin\\AppData\\Roaming\\3749AFB9\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3288	1276	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	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1276	winver.exe
1276	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1276	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 1276	972	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe	83
PID 972 wrote to memory of 1276	972	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe	83
PID 972 wrote to memory of 1276	972	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe	83
PID 972 wrote to memory of 1276	972	099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe	83
PID 1276 wrote to memory of 3412	1276	winver.exe	56
PID 1276 wrote to memory of 2764	1276	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2764

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe
  "C:\Users\Admin\AppData\Local\Temp\099d54eb5372bb43e106e7f5d439a75aef56b7890e099d03ae8423bd5c37e793N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:972
- - 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:1276
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 352
      4⤵
      Program crash
      PID:3288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1276 -ip 1276
1⤵
PID:1768

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/972-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/972-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/972-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/972-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/972-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/1276-5-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

Filesize
4KB

Download
memory/1276-7-0x00007FFAC6030000-0x00007FFAC6225000-memory.dmp

Filesize
2.0MB

Download
memory/1276-11-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/1276-14-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/2764-13-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3412-6-0x00007FFAC60CD000-0x00007FFAC60CE000-memory.dmp

Filesize
4KB

Download
memory/3412-2-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/3412-3-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download