tinba | c19e4e725faaa3a7a6b13798875001b3ff44c4108f7fbe2ccff7e3fb954b5b1b

Analysis

max time kernel
109s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 01:48

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General

Target

c19e4e725faaa3a7a6b13798875001b3ff44c4108f7fbe2ccff7e3fb954b5b1b.exe
Size

45KB
MD5

0ed37ef049bd0562a13e9a13d6c097f9
SHA1

9bdb0c48b02ffc46c56a95a30b3cd4536de708bc
SHA256

c19e4e725faaa3a7a6b13798875001b3ff44c4108f7fbe2ccff7e3fb954b5b1b
SHA512

3eba74f4e6f770cbb8453659fd4918da27fc0bf8514981851530437dc51f82426f7e44649a1ab43d60a276e23b63452b5262bfb8eb8bd0a8df2a0661275886f2
SSDEEP

768:ZhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:DsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\051A4A31 = "C:\\Users\\Admin\\AppData\\Roaming\\051A4A31\\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/5076-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2628	3612	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	c19e4e725faaa3a7a6b13798875001b3ff44c4108f7fbe2ccff7e3fb954b5b1b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3612	winver.exe
3612	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3612	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 3612	5076	c19e4e725faaa3a7a6b13798875001b3ff44c4108f7fbe2ccff7e3fb954b5b1b.exe	83
PID 5076 wrote to memory of 3612	5076	c19e4e725faaa3a7a6b13798875001b3ff44c4108f7fbe2ccff7e3fb954b5b1b.exe	83
PID 5076 wrote to memory of 3612	5076	c19e4e725faaa3a7a6b13798875001b3ff44c4108f7fbe2ccff7e3fb954b5b1b.exe	83
PID 5076 wrote to memory of 3612	5076	c19e4e725faaa3a7a6b13798875001b3ff44c4108f7fbe2ccff7e3fb954b5b1b.exe	83
PID 3612 wrote to memory of 3368	3612	winver.exe	56
PID 3612 wrote to memory of 2860	3612	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2860

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3368
- C:\Users\Admin\AppData\Local\Temp\c19e4e725faaa3a7a6b13798875001b3ff44c4108f7fbe2ccff7e3fb954b5b1b.exe
  "C:\Users\Admin\AppData\Local\Temp\c19e4e725faaa3a7a6b13798875001b3ff44c4108f7fbe2ccff7e3fb954b5b1b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5076
- - 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:3612
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 352
      4⤵
      Program crash
      PID:2628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3612 -ip 3612
1⤵
PID:2944

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/2860-13-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3368-6-0x00007FF9206CD000-0x00007FF9206CE000-memory.dmp

Filesize
4KB

Download
memory/3368-2-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/3368-3-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/3612-5-0x00000000778E2000-0x00000000778E3000-memory.dmp

Filesize
4KB

Download
memory/3612-7-0x00007FF920630000-0x00007FF920825000-memory.dmp

Filesize
2.0MB

Download
memory/3612-11-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/3612-14-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/5076-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/5076-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5076-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5076-9-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/5076-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download