tinba | d096de6f0e3f9d893647fcfed40202f7f0f9b70577a8baf531ce136fc16af552

Analysis

max time kernel
131s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2024 12:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d096de6f0e3f9d893647fcfed40202f7f0f9b70577a8baf531ce136fc16af552N.exe
Size

34KB
MD5

ab02d5794c30c5b3ff780845e747b300
SHA1

81f3c77585189deb4204a0334f2858e906abc5e7
SHA256

d096de6f0e3f9d893647fcfed40202f7f0f9b70577a8baf531ce136fc16af552
SHA512

45937043a325f2045278c994a453e4f852cc9e445cb4048d4e680443fb52cdc6fbfab0e2c77c18ce1ef52bd7d4210056a030d10963ffc26ba8c08d5295d10b77
SSDEEP

768:jp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:jpYoX58z1uirL98xMWnT0OQ9J2

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

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\3A6D27ED = "C:\\Users\\Admin\\AppData\\Roaming\\3A6D27ED\\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/4044-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
768	4796	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	d096de6f0e3f9d893647fcfed40202f7f0f9b70577a8baf531ce136fc16af552N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4796	winver.exe
4796	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4796	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 4796	4044	d096de6f0e3f9d893647fcfed40202f7f0f9b70577a8baf531ce136fc16af552N.exe	85
PID 4044 wrote to memory of 4796	4044	d096de6f0e3f9d893647fcfed40202f7f0f9b70577a8baf531ce136fc16af552N.exe	85
PID 4044 wrote to memory of 4796	4044	d096de6f0e3f9d893647fcfed40202f7f0f9b70577a8baf531ce136fc16af552N.exe	85
PID 4044 wrote to memory of 4796	4044	d096de6f0e3f9d893647fcfed40202f7f0f9b70577a8baf531ce136fc16af552N.exe	85
PID 4796 wrote to memory of 3520	4796	winver.exe	56
PID 4796 wrote to memory of 2644	4796	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:3520
- C:\Users\Admin\AppData\Local\Temp\d096de6f0e3f9d893647fcfed40202f7f0f9b70577a8baf531ce136fc16af552N.exe
  "C:\Users\Admin\AppData\Local\Temp\d096de6f0e3f9d893647fcfed40202f7f0f9b70577a8baf531ce136fc16af552N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4044
- - 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:4796
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 352
      4⤵
      Program crash
      PID:768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4796 -ip 4796
1⤵
PID:3680

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/2644-14-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFC6954D000-0x00007FFC6954E000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/4044-10-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/4044-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/4044-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4044-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4044-1-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/4796-5-0x0000000077A72000-0x0000000077A73000-memory.dmp

Filesize
4KB

Download
memory/4796-7-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

Filesize
2.0MB

Download
memory/4796-12-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download
memory/4796-15-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download