tinba | 83527c050e70b779159b564fbf81d98fc9c3cbf73a39bb334ad4b9a89fe24b3c

Analysis

max time kernel
107s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 15:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

83527c050e70b779159b564fbf81d98fc9c3cbf73a39bb334ad4b9a89fe24b3cN.exe
Size

45KB
MD5

0dd285a07294418cdebf5cb3850fcac0
SHA1

2f39a6b817d8941241cf03371e7be7af2a5f70ec
SHA256

83527c050e70b779159b564fbf81d98fc9c3cbf73a39bb334ad4b9a89fe24b3c
SHA512

006ba8a50af3b2bb25717689f9034a621d828ad3ebdb5050b9b8324b7e3f16b16f7423b492c10cf2379eb72805880882f9105409521edfca633ff450f9b16e7b
SSDEEP

768:YhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:ksWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F9F4D43F = "C:\\Users\\Admin\\AppData\\Roaming\\F9F4D43F\\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/3852-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4780	3048	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	83527c050e70b779159b564fbf81d98fc9c3cbf73a39bb334ad4b9a89fe24b3cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3048	winver.exe
3048	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3048	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 3048	3852	83527c050e70b779159b564fbf81d98fc9c3cbf73a39bb334ad4b9a89fe24b3cN.exe	83
PID 3852 wrote to memory of 3048	3852	83527c050e70b779159b564fbf81d98fc9c3cbf73a39bb334ad4b9a89fe24b3cN.exe	83
PID 3852 wrote to memory of 3048	3852	83527c050e70b779159b564fbf81d98fc9c3cbf73a39bb334ad4b9a89fe24b3cN.exe	83
PID 3852 wrote to memory of 3048	3852	83527c050e70b779159b564fbf81d98fc9c3cbf73a39bb334ad4b9a89fe24b3cN.exe	83
PID 3048 wrote to memory of 3436	3048	winver.exe	56
PID 3048 wrote to memory of 2428	3048	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2428

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\83527c050e70b779159b564fbf81d98fc9c3cbf73a39bb334ad4b9a89fe24b3cN.exe
  "C:\Users\Admin\AppData\Local\Temp\83527c050e70b779159b564fbf81d98fc9c3cbf73a39bb334ad4b9a89fe24b3cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3852
- - 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:3048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 352
      4⤵
      Program crash
      PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 3048 -ip 3048
1⤵
PID:3588

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

Loading Replay Monitor...

Downloads

memory/2428-14-0x0000000000FA0000-0x0000000000FA6000-memory.dmp

Filesize
24KB

Download
memory/3048-5-0x0000000076F62000-0x0000000076F63000-memory.dmp

Filesize
4KB

Download
memory/3048-15-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/3048-12-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/3048-7-0x00007FF819DD0000-0x00007FF819FC5000-memory.dmp

Filesize
2.0MB

Download
memory/3436-2-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FF819E6D000-0x00007FF819E6E000-memory.dmp

Filesize
4KB

Download
memory/3436-3-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/3852-4-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/3852-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3852-10-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/3852-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3852-1-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download