tinba | d4349363ffe8b4205d8dfdc9696a4e99e5ac77c73b8b84873d4bfd5cc8183a2a

Analysis

max time kernel
118s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/11/2024, 01:31

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General

Target

d4349363ffe8b4205d8dfdc9696a4e99e5ac77c73b8b84873d4bfd5cc8183a2aN.exe
Size

88KB
MD5

c150707a17ed7bff8e2641207d5e5820
SHA1

b318944c58ddb61a7f3f4c5da0cffd9bcb76f7cb
SHA256

d4349363ffe8b4205d8dfdc9696a4e99e5ac77c73b8b84873d4bfd5cc8183a2a
SHA512

c709a5e3830194f856ef6fb71ad4d02176a78cc63dd0cecd97def98947893083f6d86077b753d8cc849550f34d6e6a9d1437d34b4f2019b663a34d4bf58b3c72
SSDEEP

1536:jz44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:jzvokZR/KM/ysjwqWsN

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\534B8E68 = "C:\\Users\\Admin\\AppData\\Roaming\\534B8E68\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2480	536	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	d4349363ffe8b4205d8dfdc9696a4e99e5ac77c73b8b84873d4bfd5cc8183a2aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
536	winver.exe
536	winver.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
536	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 180 wrote to memory of 536	180	d4349363ffe8b4205d8dfdc9696a4e99e5ac77c73b8b84873d4bfd5cc8183a2aN.exe	84
PID 180 wrote to memory of 536	180	d4349363ffe8b4205d8dfdc9696a4e99e5ac77c73b8b84873d4bfd5cc8183a2aN.exe	84
PID 180 wrote to memory of 536	180	d4349363ffe8b4205d8dfdc9696a4e99e5ac77c73b8b84873d4bfd5cc8183a2aN.exe	84
PID 180 wrote to memory of 536	180	d4349363ffe8b4205d8dfdc9696a4e99e5ac77c73b8b84873d4bfd5cc8183a2aN.exe	84
PID 536 wrote to memory of 3452	536	winver.exe	54
PID 536 wrote to memory of 2724	536	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2724

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3452
- C:\Users\Admin\AppData\Local\Temp\d4349363ffe8b4205d8dfdc9696a4e99e5ac77c73b8b84873d4bfd5cc8183a2aN.exe
  "C:\Users\Admin\AppData\Local\Temp\d4349363ffe8b4205d8dfdc9696a4e99e5ac77c73b8b84873d4bfd5cc8183a2aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:180
- - 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:536
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 352
      4⤵
      Program crash
      PID:2480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 536 -ip 536
1⤵
PID:1472

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/180-9-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/180-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/180-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/180-3-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/536-11-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/536-4-0x00000000774D2000-0x00000000774D3000-memory.dmp

Filesize
4KB

Download
memory/536-14-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/536-6-0x00007FFDB8470000-0x00007FFDB8665000-memory.dmp

Filesize
2.0MB

Download
memory/2724-13-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2724-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3452-5-0x00007FFDB850D000-0x00007FFDB850E000-memory.dmp

Filesize
4KB

Download
memory/3452-1-0x0000000001200000-0x0000000001206000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x0000000001200000-0x0000000001206000-memory.dmp

Filesize
24KB

Download
memory/3452-7-0x00007FFDB86A0000-0x00007FFDB86A1000-memory.dmp

Filesize
4KB

Download