tinba | 8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5fa

Analysis

max time kernel
104s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 17:02

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General

Target

8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe
Size

45KB
MD5

35662196929d22cdc512d43e606302c0
SHA1

10d16ae2901ddc5454c55efeec1d1737308c50e6
SHA256

8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5fa
SHA512

322c301131c9175b6e9b83efc544b00e391f052c1f5e98130d9936e88ff09bd352a4920bafd26f8e46365888482acd0bf6c11987933758a07de442a5baac6b6e
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:jsWE9N5dFu53dsniQaB/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
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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C529BF69 = "C:\\Users\\Admin\\AppData\\Roaming\\C529BF69\\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/956-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
828	2992	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2992	winver.exe
2992	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2992	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 2992	956	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe	84
PID 956 wrote to memory of 2992	956	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe	84
PID 956 wrote to memory of 2992	956	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe	84
PID 956 wrote to memory of 2992	956	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe	84
PID 2992 wrote to memory of 3460	2992	winver.exe	55
PID 2992 wrote to memory of 2656	2992	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe
  "C:\Users\Admin\AppData\Local\Temp\8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:956
- - 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:2992
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 352
      4⤵
      Program crash
      PID:828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2992 -ip 2992
1⤵
PID:1508

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/956-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/956-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/956-10-0x0000000002160000-0x0000000002B60000-memory.dmp

Filesize
10.0MB

Download
memory/956-4-0x0000000002160000-0x0000000002B60000-memory.dmp

Filesize
10.0MB

Download
memory/956-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2656-14-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2992-5-0x0000000077512000-0x0000000077513000-memory.dmp

Filesize
4KB

Download
memory/2992-7-0x00007FF9B62D0000-0x00007FF9B64C5000-memory.dmp

Filesize
2.0MB

Download
memory/2992-12-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download
memory/2992-15-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download
memory/3460-6-0x00007FF9B636D000-0x00007FF9B636E000-memory.dmp

Filesize
4KB

Download
memory/3460-2-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/3460-3-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download