tinba | 0f229c731ad355809df0a051d2009dbb33b063f20dffdd1710d3f43bc089c9e7

Analysis

max time kernel
118s
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
12-11-2024 15:17

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General

Target

0f229c731ad355809df0a051d2009dbb33b063f20dffdd1710d3f43bc089c9e7.exe
Size

52KB
MD5

4e64130a061758f0339816f71dbd731e
SHA1

91c953e4ab0224fe9f28ee4b1132ee1f8aaa23a1
SHA256

0f229c731ad355809df0a051d2009dbb33b063f20dffdd1710d3f43bc089c9e7
SHA512

77a5e9c2044f6a9a8612c543023e8d7c0b1ef49fe311d277c8a556491de7598739b49de7989460771d52764ddc4079d3201d36355679363492965d5a81c684b4
SSDEEP

768:0vC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:MmZNZUXeQXFhS6sM3prUSGg7O1d9Ja

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EFB9EBF3 = "C:\\Users\\Admin\\AppData\\Roaming\\EFB9EBF3\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4292	4612	WerFault.exe	87

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	0f229c731ad355809df0a051d2009dbb33b063f20dffdd1710d3f43bc089c9e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4612	winver.exe
4612	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4612	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3776 wrote to memory of 4612	3776	0f229c731ad355809df0a051d2009dbb33b063f20dffdd1710d3f43bc089c9e7.exe	87
PID 3776 wrote to memory of 4612	3776	0f229c731ad355809df0a051d2009dbb33b063f20dffdd1710d3f43bc089c9e7.exe	87
PID 3776 wrote to memory of 4612	3776	0f229c731ad355809df0a051d2009dbb33b063f20dffdd1710d3f43bc089c9e7.exe	87
PID 3776 wrote to memory of 4612	3776	0f229c731ad355809df0a051d2009dbb33b063f20dffdd1710d3f43bc089c9e7.exe	87
PID 4612 wrote to memory of 3424	4612	winver.exe	56
PID 4612 wrote to memory of 2604	4612	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2604

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3424
- C:\Users\Admin\AppData\Local\Temp\0f229c731ad355809df0a051d2009dbb33b063f20dffdd1710d3f43bc089c9e7.exe
  "C:\Users\Admin\AppData\Local\Temp\0f229c731ad355809df0a051d2009dbb33b063f20dffdd1710d3f43bc089c9e7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3776
- - 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:4612
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 352
      4⤵
      Program crash
      PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4612 -ip 4612
1⤵
PID:512

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/2604-13-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3424-7-0x00007FF9FAEA0000-0x00007FF9FAEA1000-memory.dmp

Filesize
4KB

Download
memory/3424-2-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download
memory/3424-1-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download
memory/3424-5-0x00007FF9FAD0D000-0x00007FF9FAD0E000-memory.dmp

Filesize
4KB

Download
memory/3776-9-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/3776-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3776-0-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3776-3-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/4612-6-0x00007FF9FAC70000-0x00007FF9FAE65000-memory.dmp

Filesize
2.0MB

Download
memory/4612-4-0x0000000077062000-0x0000000077063000-memory.dmp

Filesize
4KB

Download
memory/4612-11-0x0000000002BB0000-0x0000000002BB6000-memory.dmp

Filesize
24KB

Download
memory/4612-14-0x0000000002BB0000-0x0000000002BB6000-memory.dmp

Filesize
24KB

Download