tinba | 69ce276a4f62915c2257bee72bae6cdff0b4e0da512077e2cbea22f9a405adfb

Analysis

max time kernel
118s
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 21:43

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General

Target

69ce276a4f62915c2257bee72bae6cdff0b4e0da512077e2cbea22f9a405adfbN.exe
Size

110KB
MD5

63166be45b5df82639dae01965f6d510
SHA1

8ec5bf4c06908e3ef680c0425dfdf7b7e4a90f56
SHA256

69ce276a4f62915c2257bee72bae6cdff0b4e0da512077e2cbea22f9a405adfb
SHA512

484be68dc239e3d6bf0ad620a700e17aa372f79ed4bd217a84c7bedbbf2414c4201c3b89b6102b56a5ca17fde1a82c573514a22bfe69f220dd43fe56f731f36c
SSDEEP

1536:liLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:liyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8D1CB26E = "C:\\Users\\Admin\\AppData\\Roaming\\8D1CB26E\\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/2448-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2292	3508	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	69ce276a4f62915c2257bee72bae6cdff0b4e0da512077e2cbea22f9a405adfbN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3508	winver.exe
3508	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3508	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 3508	2448	69ce276a4f62915c2257bee72bae6cdff0b4e0da512077e2cbea22f9a405adfbN.exe	83
PID 2448 wrote to memory of 3508	2448	69ce276a4f62915c2257bee72bae6cdff0b4e0da512077e2cbea22f9a405adfbN.exe	83
PID 2448 wrote to memory of 3508	2448	69ce276a4f62915c2257bee72bae6cdff0b4e0da512077e2cbea22f9a405adfbN.exe	83
PID 2448 wrote to memory of 3508	2448	69ce276a4f62915c2257bee72bae6cdff0b4e0da512077e2cbea22f9a405adfbN.exe	83
PID 3508 wrote to memory of 3536	3508	winver.exe	56
PID 3508 wrote to memory of 2556	3508	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\69ce276a4f62915c2257bee72bae6cdff0b4e0da512077e2cbea22f9a405adfbN.exe
  "C:\Users\Admin\AppData\Local\Temp\69ce276a4f62915c2257bee72bae6cdff0b4e0da512077e2cbea22f9a405adfbN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2448
- - 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:3508
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 356
      4⤵
      Program crash
      PID:2292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3508 -ip 3508
1⤵
PID:3504

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/2448-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2448-1-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/2448-11-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2448-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2448-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2556-15-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/3508-6-0x0000000077602000-0x0000000077603000-memory.dmp

Filesize
4KB

Download
memory/3508-8-0x00007FFB5F250000-0x00007FFB5F445000-memory.dmp

Filesize
2.0MB

Download
memory/3508-5-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3508-16-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download
memory/3536-7-0x00007FFB5F2ED000-0x00007FFB5F2EE000-memory.dmp

Filesize
4KB

Download
memory/3536-2-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3536-3-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download