tinba | 9c90687336e5858a73c3dc1dcb45fb8ee6a1f55f9597b98e9474301c32cba95f

Analysis

max time kernel
118s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/08/2024, 14:59

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General

Target

6e9cc73d6ccecb1cf6a11df07c47ebb0N.exe
Size

76KB
MD5

6e9cc73d6ccecb1cf6a11df07c47ebb0
SHA1

eb95076b1370df1df9c84df172f9b318291f13f6
SHA256

9c90687336e5858a73c3dc1dcb45fb8ee6a1f55f9597b98e9474301c32cba95f
SHA512

36de1c89e34621f364a4167a34cfaea5942d5826b0ddf83784c0ef579035b9a68557651ac8ed739ad2b35a54b70c6ef6ea13b8ccd5ccfa84d10823bfd6b34541
SSDEEP

768:2HAl7xH0U2VFb8OaYS0a6L+nznGOevsCWg9nrC3Xybi9HW+C5c9JT:Jl7ln2HLPL+znGOe0CWgleHosHGm9JT

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

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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D7B2A47E = "C:\\Users\\Admin\\AppData\\Roaming\\D7B2A47E\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2012	4192	WerFault.exe	85

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	6e9cc73d6ccecb1cf6a11df07c47ebb0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4192	winver.exe
4192	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4192	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 4192	3756	6e9cc73d6ccecb1cf6a11df07c47ebb0N.exe	85
PID 3756 wrote to memory of 4192	3756	6e9cc73d6ccecb1cf6a11df07c47ebb0N.exe	85
PID 3756 wrote to memory of 4192	3756	6e9cc73d6ccecb1cf6a11df07c47ebb0N.exe	85
PID 3756 wrote to memory of 4192	3756	6e9cc73d6ccecb1cf6a11df07c47ebb0N.exe	85
PID 4192 wrote to memory of 3476	4192	winver.exe	56
PID 4192 wrote to memory of 2540	4192	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3476
- C:\Users\Admin\AppData\Local\Temp\6e9cc73d6ccecb1cf6a11df07c47ebb0N.exe
  "C:\Users\Admin\AppData\Local\Temp\6e9cc73d6ccecb1cf6a11df07c47ebb0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3756
- - 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:4192
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 352
      4⤵
      Program crash
      PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4192 -ip 4192
1⤵
PID:1456

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/2540-16-0x00007FFCEFB50000-0x00007FFCEFB51000-memory.dmp

Filesize
4KB

Download
memory/2540-13-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

Download
memory/3476-7-0x00007FFCEFB60000-0x00007FFCEFB61000-memory.dmp

Filesize
4KB

Download
memory/3476-2-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/3476-5-0x00007FFCEF9CD000-0x00007FFCEF9CE000-memory.dmp

Filesize
4KB

Download
memory/3476-1-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/3756-9-0x0000000002440000-0x0000000002E40000-memory.dmp

Filesize
10.0MB

Download
memory/3756-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3756-0-0x0000000002010000-0x0000000002011000-memory.dmp

Filesize
4KB

Download
memory/3756-3-0x0000000002440000-0x0000000002E40000-memory.dmp

Filesize
10.0MB

Download
memory/4192-6-0x00007FFCEF930000-0x00007FFCEFB25000-memory.dmp

Filesize
2.0MB

Download
memory/4192-11-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4192-4-0x0000000077002000-0x0000000077003000-memory.dmp

Filesize
4KB

Download
memory/4192-14-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download