tinba | 7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f

Analysis

max time kernel
107s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2024, 06:24

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General

Target

7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe
Size

89KB
MD5

046eaa6b8a6e12c99b7624074d7897ae
SHA1

6a3ff0d73e072f5190ef7e3c51779fa0009d5c54
SHA256

7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f
SHA512

ccdb40d14c8c12c149e00b09d17ea1b9afd3b60b1bc67a5d04b462066d240052d44a95d831bd3e863b87d8e4f360ebf86bdf4c93f63b96e1db49259912b62139
SSDEEP

1536:D1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:p+4MJIkLZJNAQ9Jo9e

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\033989E4 = "C:\\Users\\Admin\\AppData\\Roaming\\033989E4\\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/4904-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3468	1096	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	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1096	winver.exe
1096	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1096	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 1096	4904	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe	83
PID 4904 wrote to memory of 1096	4904	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe	83
PID 4904 wrote to memory of 1096	4904	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe	83
PID 4904 wrote to memory of 1096	4904	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe	83
PID 1096 wrote to memory of 3456	1096	winver.exe	56
PID 1096 wrote to memory of 2672	1096	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2672

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe
  "C:\Users\Admin\AppData\Local\Temp\7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4904
- - 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:1096
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 352
      4⤵
      Program crash
      PID:3468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1096 -ip 1096
1⤵
PID:2444

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/1096-5-0x0000000077E62000-0x0000000077E63000-memory.dmp

Filesize
4KB

Download
memory/1096-14-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/1096-11-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/1096-7-0x00007FFBCA510000-0x00007FFBCA705000-memory.dmp

Filesize
2.0MB

Download
memory/2672-13-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3456-2-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFBCA5AD000-0x00007FFBCA5AE000-memory.dmp

Filesize
4KB

Download
memory/3456-3-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/4904-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/4904-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4904-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/4904-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4904-1-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download