tinba | 4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 05:00

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General

Target

4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe
Size

45KB
MD5

3bdc7eeb3be7d4bc7c22b90d50a17040
SHA1

7600f860fe3408c3bb8f2aa70952acd3ff028516
SHA256

4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0
SHA512

12a1799b18b0ad1b6f935898f423974810f4f770c66aac80b5ec8f3062b031b61ad8b8cdf207964fa50382d145ffb464d1e9a1206d209ccfd879b30d8394f277
SSDEEP

768:KhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:msWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\307C152E = "C:\\Users\\Admin\\AppData\\Roaming\\307C152E\\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/4372-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2964	3844	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	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3844	winver.exe
3844	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3844	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 3844	4372	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe	84
PID 4372 wrote to memory of 3844	4372	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe	84
PID 4372 wrote to memory of 3844	4372	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe	84
PID 4372 wrote to memory of 3844	4372	4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe	84
PID 3844 wrote to memory of 3452	3844	winver.exe	56
PID 3844 wrote to memory of 2712	3844	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2712

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe
  "C:\Users\Admin\AppData\Local\Temp\4fd08aeebe7a94b02f13ad0fac7ba2e49bdd19de294b842d176ccf7401c58df0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4372
- - 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:3844
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 356
      4⤵
      Program crash
      PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3844 -ip 3844
1⤵
PID:3120

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/2712-15-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3452-7-0x00007FFCE584D000-0x00007FFCE584E000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3844-6-0x0000000077212000-0x0000000077213000-memory.dmp

Filesize
4KB

Download
memory/3844-5-0x0000000001390000-0x0000000001396000-memory.dmp

Filesize
24KB

Download
memory/3844-8-0x00007FFCE57B0000-0x00007FFCE59A5000-memory.dmp

Filesize
2.0MB

Download
memory/3844-16-0x0000000001390000-0x0000000001396000-memory.dmp

Filesize
24KB

Download
memory/4372-4-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/4372-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4372-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4372-11-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/4372-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download