tinba | 7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8

Analysis

max time kernel
109s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 13:00

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General

Target

7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe
Size

45KB
MD5

3b2821014c7c1ab4c405bdc057f89d60
SHA1

2900ea758d2d9ee3dc6ae68191b2eabdce6405c6
SHA256

7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8
SHA512

baaeedfee98dda197bdce6483be752659990f5e1456a737592955a864c9bc88819e138c225ff934145b29d6ecfdfb909aedd0072b012ccae332cee28824d5d50
SSDEEP

768:0hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:4sWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\58A9F646 = "C:\\Users\\Admin\\AppData\\Roaming\\58A9F646\\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/4812-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2164	2780	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	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2780	winver.exe
2780	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
2780	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 2780	4812	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe	84
PID 4812 wrote to memory of 2780	4812	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe	84
PID 4812 wrote to memory of 2780	4812	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe	84
PID 4812 wrote to memory of 2780	4812	7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe	84
PID 2780 wrote to memory of 3428	2780	winver.exe	56
PID 2780 wrote to memory of 912	2780	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:912

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe
  "C:\Users\Admin\AppData\Local\Temp\7442cd2a90e26f8fbda8b06d623c788bffc0deb7075ee7c24acd5d3261eac1a8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4812
- - 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:2780
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 352
      4⤵
      Program crash
      PID:2164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2780 -ip 2780
1⤵
PID:1976

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/912-13-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2780-5-0x0000000077562000-0x0000000077563000-memory.dmp

Filesize
4KB

Download
memory/2780-14-0x0000000000FA0000-0x0000000000FA6000-memory.dmp

Filesize
24KB

Download
memory/2780-11-0x0000000000FA0000-0x0000000000FA6000-memory.dmp

Filesize
24KB

Download
memory/2780-7-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

Filesize
2.0MB

Download
memory/3428-3-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3428-6-0x00007FFB2F0AD000-0x00007FFB2F0AE000-memory.dmp

Filesize
4KB

Download
memory/3428-2-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/4812-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/4812-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4812-9-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/4812-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4812-1-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download