tinba | fd1ee45272ec06d4289d4b7802eee7d8626d51c5b84abcce54dc81ab972f1853

Analysis

max time kernel
106s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 07:56

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General

Target

fd1ee45272ec06d4289d4b7802eee7d8626d51c5b84abcce54dc81ab972f1853.exe
Size

45KB
MD5

ac5dff869f463fa73556c0d043b258b5
SHA1

d80edbe60fe415fa90b3eb4a1fc4a6dc89da4351
SHA256

fd1ee45272ec06d4289d4b7802eee7d8626d51c5b84abcce54dc81ab972f1853
SHA512

12b95ebf592f4180740e0178168f668796d8b0ba70fd6b62571cdc99b9fea48a34e435eef6433bf8896e52499c48e6cf4a98457f94708a239921a68a475624f6
SSDEEP

768:RhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2N:rsWE9N5dFu53dsniQaB/xZ14n7zIF+qx

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D4208D18 = "C:\\Users\\Admin\\AppData\\Roaming\\D4208D18\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4836-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1320	3880	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	fd1ee45272ec06d4289d4b7802eee7d8626d51c5b84abcce54dc81ab972f1853.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3880	winver.exe
3880	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3880	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 3880	4836	fd1ee45272ec06d4289d4b7802eee7d8626d51c5b84abcce54dc81ab972f1853.exe	84
PID 4836 wrote to memory of 3880	4836	fd1ee45272ec06d4289d4b7802eee7d8626d51c5b84abcce54dc81ab972f1853.exe	84
PID 4836 wrote to memory of 3880	4836	fd1ee45272ec06d4289d4b7802eee7d8626d51c5b84abcce54dc81ab972f1853.exe	84
PID 4836 wrote to memory of 3880	4836	fd1ee45272ec06d4289d4b7802eee7d8626d51c5b84abcce54dc81ab972f1853.exe	84
PID 3880 wrote to memory of 3428	3880	winver.exe	56
PID 3880 wrote to memory of 2972	3880	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2972

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\fd1ee45272ec06d4289d4b7802eee7d8626d51c5b84abcce54dc81ab972f1853.exe
  "C:\Users\Admin\AppData\Local\Temp\fd1ee45272ec06d4289d4b7802eee7d8626d51c5b84abcce54dc81ab972f1853.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4836
- - 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:3880
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3880 -s 352
      4⤵
      Program crash
      PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3880 -ip 3880
1⤵
PID:3940

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/2972-13-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3428-6-0x00007FFB9484D000-0x00007FFB9484E000-memory.dmp

Filesize
4KB

Download
memory/3428-3-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3880-5-0x0000000077A52000-0x0000000077A53000-memory.dmp

Filesize
4KB

Download
memory/3880-7-0x00007FFB947B0000-0x00007FFB949A5000-memory.dmp

Filesize
2.0MB

Download
memory/3880-11-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3880-14-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/4836-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/4836-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4836-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4836-9-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/4836-1-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download