tinba | 1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116

Analysis

max time kernel
118s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-11-2024 07:23

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General

Target

1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe
Size

52KB
MD5

44b6794ab925a431331fdb70cef49a80
SHA1

805766a8cf9fd315f192c6724e0b82dad2849524
SHA256

1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116
SHA512

2907be1ec200c01550906046ff08ea1df439d1fd6e2f26632b7afe3f9401298476f7dfb2a43dd9e5113cbaa6b9a18f3f46f476f131112271f18e066cf1cc61b0
SSDEEP

768:0vC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jqn:MmZNZUXeQXFhS6sM3prUSGg7O1d9Jq

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\26B16D47 = "C:\\Users\\Admin\\AppData\\Roaming\\26B16D47\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4800	3552	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	1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3552	winver.exe
3552	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3552	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3444	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 3552	1912	1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe	84
PID 1912 wrote to memory of 3552	1912	1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe	84
PID 1912 wrote to memory of 3552	1912	1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe	84
PID 1912 wrote to memory of 3552	1912	1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe	84
PID 3552 wrote to memory of 3444	3552	winver.exe	55
PID 3552 wrote to memory of 2648	3552	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
- Suspicious use of UnmapMainImage
PID:3444
- C:\Users\Admin\AppData\Local\Temp\1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe
  "C:\Users\Admin\AppData\Local\Temp\1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1912
- - 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:3552
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 352
      4⤵
      Program crash
      PID:4800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3552 -ip 3552
1⤵
PID:2704

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/1912-9-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1912-3-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1912-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1912-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/2648-13-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3444-1-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3444-5-0x00007FFDA048D000-0x00007FFDA048E000-memory.dmp

Filesize
4KB

Download
memory/3444-7-0x00007FFDA0620000-0x00007FFDA0621000-memory.dmp

Filesize
4KB

Download
memory/3552-4-0x0000000077502000-0x0000000077503000-memory.dmp

Filesize
4KB

Download
memory/3552-6-0x00007FFDA03F0000-0x00007FFDA05E5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-11-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/3552-14-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download