tinba | 2520bf079803f2e8636afcd749295d18db164ed3e13e9d4f0ccd7693507bd9af

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2025 21:45

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General

Target

2520bf079803f2e8636afcd749295d18db164ed3e13e9d4f0ccd7693507bd9af.exe
Size

45KB
MD5

9971a40ee69ca382baecff9c8ba9d5b6
SHA1

6041e2d0fc89f991c6c3ad395bc6b77c5d283c26
SHA256

2520bf079803f2e8636afcd749295d18db164ed3e13e9d4f0ccd7693507bd9af
SHA512

debb6ccf2ec56980dcd7d8b4bc0aea9b5c205e2e40ce900bfd6222e25bb10061f1ef3a3a425d72f51ba781b0eb0236e82bce9b7cfd9139ca3f559f99431c410e
SSDEEP

768:4hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:EsWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EA0434FA = "C:\\Users\\Admin\\AppData\\Roaming\\EA0434FA\\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/1208-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3724	3932	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	2520bf079803f2e8636afcd749295d18db164ed3e13e9d4f0ccd7693507bd9af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3932	winver.exe
3932	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3932	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 3932	1208	2520bf079803f2e8636afcd749295d18db164ed3e13e9d4f0ccd7693507bd9af.exe	84
PID 1208 wrote to memory of 3932	1208	2520bf079803f2e8636afcd749295d18db164ed3e13e9d4f0ccd7693507bd9af.exe	84
PID 1208 wrote to memory of 3932	1208	2520bf079803f2e8636afcd749295d18db164ed3e13e9d4f0ccd7693507bd9af.exe	84
PID 1208 wrote to memory of 3932	1208	2520bf079803f2e8636afcd749295d18db164ed3e13e9d4f0ccd7693507bd9af.exe	84
PID 3932 wrote to memory of 3504	3932	winver.exe	56
PID 3932 wrote to memory of 2632	3932	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2632

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3504
- C:\Users\Admin\AppData\Local\Temp\2520bf079803f2e8636afcd749295d18db164ed3e13e9d4f0ccd7693507bd9af.exe
  "C:\Users\Admin\AppData\Local\Temp\2520bf079803f2e8636afcd749295d18db164ed3e13e9d4f0ccd7693507bd9af.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1208
- - 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:3932
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 352
      4⤵
      Program crash
      PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3932 -ip 3932
1⤵
PID:3108

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/1208-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1208-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1208-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1208-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/1208-9-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2632-13-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3504-3-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3504-6-0x00007FFC6F34D000-0x00007FFC6F34E000-memory.dmp

Filesize
4KB

Download
memory/3504-2-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3932-7-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3932-5-0x00000000770F2000-0x00000000770F3000-memory.dmp

Filesize
4KB

Download
memory/3932-11-0x0000000001550000-0x0000000001556000-memory.dmp

Filesize
24KB

Download
memory/3932-14-0x0000000001550000-0x0000000001556000-memory.dmp

Filesize
24KB

Download