tinba | 9219804ae55252397f63937e87d475d80078d7ff8091104e55bf3565bd44cc21

Analysis

max time kernel
103s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 11:04

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General

Target

9219804ae55252397f63937e87d475d80078d7ff8091104e55bf3565bd44cc21.exe
Size

88KB
MD5

5e126bff8950a9714f5805174c1fe016
SHA1

35d964585212134333b385c1173bcba51838481c
SHA256

9219804ae55252397f63937e87d475d80078d7ff8091104e55bf3565bd44cc21
SHA512

c7fca75cbc1cb173d84b2b361e48afe95170114804dfd10e4d49a6c1e454cf34c32fd005a01724aa1cf581264d1a258b58b42f90827c318a97e35b3ebe1dc1c1
SSDEEP

1536:U5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:U5fvp12UFKcD/6jwqWsNI

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4752DEA8 = "C:\\Users\\Admin\\AppData\\Roaming\\4752DEA8\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3728	3928	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	9219804ae55252397f63937e87d475d80078d7ff8091104e55bf3565bd44cc21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3928	winver.exe
3928	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3928	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 3928	4828	9219804ae55252397f63937e87d475d80078d7ff8091104e55bf3565bd44cc21.exe	83
PID 4828 wrote to memory of 3928	4828	9219804ae55252397f63937e87d475d80078d7ff8091104e55bf3565bd44cc21.exe	83
PID 4828 wrote to memory of 3928	4828	9219804ae55252397f63937e87d475d80078d7ff8091104e55bf3565bd44cc21.exe	83
PID 4828 wrote to memory of 3928	4828	9219804ae55252397f63937e87d475d80078d7ff8091104e55bf3565bd44cc21.exe	83
PID 3928 wrote to memory of 3412	3928	winver.exe	55
PID 3928 wrote to memory of 2644	3928	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2644

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\9219804ae55252397f63937e87d475d80078d7ff8091104e55bf3565bd44cc21.exe
  "C:\Users\Admin\AppData\Local\Temp\9219804ae55252397f63937e87d475d80078d7ff8091104e55bf3565bd44cc21.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4828
- - 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:3928
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 352
      4⤵
      Program crash
      PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3928 -ip 3928
1⤵
PID:2168

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/2644-13-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/3412-2-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/3412-1-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/3412-6-0x00007FFEA2CCD000-0x00007FFEA2CCE000-memory.dmp

Filesize
4KB

Download
memory/3928-5-0x0000000077DF2000-0x0000000077DF3000-memory.dmp

Filesize
4KB

Download
memory/3928-7-0x00007FFEA2C30000-0x00007FFEA2E25000-memory.dmp

Filesize
2.0MB

Download
memory/3928-4-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download
memory/3928-14-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download
memory/4828-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4828-3-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/4828-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4828-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download