tinba | 3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a

Analysis

max time kernel
111s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 03:40

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General

Target

3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe
Size

110KB
MD5

76ea40782d074c30ca43771555de24dc
SHA1

d7d6c3cf2871bba30ec5d5b0ac90c9791cea4db2
SHA256

3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a
SHA512

cb23614372ae0d6bf80ef3da519ae3919f0c6176ba8805b462bab2e30ce42632a4c09ad6a77421dac099d50f2689d3b34ba9e89f858038e0c0416851b59972f3
SSDEEP

1536:HiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:HiyvRmDLs/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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\00370597 = "C:\\Users\\Admin\\AppData\\Roaming\\00370597\\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/1064-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
320	3508	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	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.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 1064 wrote to memory of 3508	1064	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe	84
PID 1064 wrote to memory of 3508	1064	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe	84
PID 1064 wrote to memory of 3508	1064	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe	84
PID 1064 wrote to memory of 3508	1064	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe	84
PID 3508 wrote to memory of 3536	3508	winver.exe	56
PID 3508 wrote to memory of 2476	3508	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2476

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe
  "C:\Users\Admin\AppData\Local\Temp\3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1064
- - 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 352
      4⤵
      Program crash
      PID:320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3508 -ip 3508
1⤵
PID:2984

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/1064-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1064-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1064-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/1064-7-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1064-8-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/2476-12-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/3508-6-0x00007FF85AD50000-0x00007FF85AF45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-10-0x00000000023B0000-0x00000000023B6000-memory.dmp

Filesize
24KB

Download
memory/3508-13-0x00000000023B0000-0x00000000023B6000-memory.dmp

Filesize
24KB

Download
memory/3536-3-0x0000000001330000-0x0000000001336000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x0000000001330000-0x0000000001336000-memory.dmp

Filesize
24KB

Download
memory/3536-5-0x00007FF85ADED000-0x00007FF85ADEE000-memory.dmp

Filesize
4KB

Download