tinba | 58244873883a9cd01841753edfeb6940d9387de54c566d319d49ebf8a7ad8146

Analysis

max time kernel
109s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2024, 01:05

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General

Target
58244873883a9cd01841753edfeb6940d9387de54c566d319d49ebf8a7ad8146.exe
Size 88KB
Sample241205-bfjatazpgz
SHA256 58244873883a9cd01841753edfeb6940d9387de54c566d319d49ebf8a7ad8146
MD5 600f60a576c0beb26b6ed5f3f5d01521
SHA1 8904cbb02898f049ec5cf44d2e0a880dcf335f2c
SHA512 881c6acea076649c248c604549639f002037a4855f103f5dec473539ca5be38d19c85d291b98529135cca7a5cbbb7285ce0a4e91a0581f7b2463e757887936bd
SSDEEP 1536:25nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:25fvp12UFKcD/6jwqWsNI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3F665D4A = "C:\\Users\\Admin\\AppData\\Roaming\\3F665D4A\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2392	1492	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	58244873883a9cd01841753edfeb6940d9387de54c566d319d49ebf8a7ad8146.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1492	winver.exe
1492	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1492	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 1492	384	58244873883a9cd01841753edfeb6940d9387de54c566d319d49ebf8a7ad8146.exe	84
PID 384 wrote to memory of 1492	384	58244873883a9cd01841753edfeb6940d9387de54c566d319d49ebf8a7ad8146.exe	84
PID 384 wrote to memory of 1492	384	58244873883a9cd01841753edfeb6940d9387de54c566d319d49ebf8a7ad8146.exe	84
PID 384 wrote to memory of 1492	384	58244873883a9cd01841753edfeb6940d9387de54c566d319d49ebf8a7ad8146.exe	84
PID 1492 wrote to memory of 3512	1492	winver.exe	56
PID 1492 wrote to memory of 2648	1492	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3512
- C:\Users\Admin\AppData\Local\Temp\58244873883a9cd01841753edfeb6940d9387de54c566d319d49ebf8a7ad8146.exe
  "C:\Users\Admin\AppData\Local\Temp\58244873883a9cd01841753edfeb6940d9387de54c566d319d49ebf8a7ad8146.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:384
- - 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:1492
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 356
      4⤵
      Program crash
      PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1492 -ip 1492
1⤵
PID:4860

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/384-0-0x0000000002160000-0x0000000002161000-memory.dmp

Download

memory/384-3-0x0000000002220000-0x0000000002C20000-memory.dmp

Download

memory/384-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/384-8-0x0000000002220000-0x0000000002C20000-memory.dmp

Download

memory/1492-4-0x0000000077802000-0x0000000077803000-memory.dmp

Download

memory/1492-6-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

Download

memory/1492-10-0x0000000000420000-0x0000000000426000-memory.dmp

Download

memory/1492-13-0x0000000000420000-0x0000000000426000-memory.dmp

Download

memory/2648-12-0x00000000007F0000-0x00000000007F6000-memory.dmp

Download

memory/3512-2-0x0000000001220000-0x0000000001226000-memory.dmp

Download

memory/3512-1-0x0000000001220000-0x0000000001226000-memory.dmp

Download

memory/3512-5-0x00007FFD4D60D000-0x00007FFD4D60E000-memory.dmp

Download