tinba | 7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311

Analysis

max time kernel
118s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 00:51

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General

Target

7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe
Size

89KB
MD5

1d95a0629c73e5c1f62e57842220a52b
SHA1

fb36e2f3608b053c4bcf2637a86e41f616c111c1
SHA256

7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311
SHA512

4e773fa8485926daa1743b8f6a551fbb1c01c74c31e8f372285d80ef7a2b266187d8120915542d653269abaee0818a471c4bc13bf3322a50f342bc9ab20ba931
SSDEEP

1536:I1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7q:c+4MJIkLZJNAQ9Jo9q

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CBDCE447 = "C:\\Users\\Admin\\AppData\\Roaming\\CBDCE447\\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/2108-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3952	3744	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	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3744	winver.exe
3744	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3744	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 3744	2108	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe	83
PID 2108 wrote to memory of 3744	2108	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe	83
PID 2108 wrote to memory of 3744	2108	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe	83
PID 2108 wrote to memory of 3744	2108	7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe	83
PID 3744 wrote to memory of 3536	3744	winver.exe	56
PID 3744 wrote to memory of 2556	3744	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe
  "C:\Users\Admin\AppData\Local\Temp\7181d8c6e8f9b2fdafd5017407bba96ca87ef031f423880e3c513a96aa54c311.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2108
- - 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:3744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 352
      4⤵
      Program crash
      PID:3952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3744 -ip 3744
1⤵
PID:1936

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/2108-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2108-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/2108-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2108-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/2108-9-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/2556-15-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/2556-13-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3536-6-0x00007FFB5F2ED000-0x00007FFB5F2EE000-memory.dmp

Filesize
4KB

Download
memory/3536-3-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3744-7-0x00007FFB5F250000-0x00007FFB5F445000-memory.dmp

Filesize
2.0MB

Download
memory/3744-5-0x0000000077602000-0x0000000077603000-memory.dmp

Filesize
4KB

Download
memory/3744-11-0x00000000027C0000-0x00000000027C6000-memory.dmp

Filesize
24KB

Download
memory/3744-14-0x00000000027C0000-0x00000000027C6000-memory.dmp

Filesize
24KB

Download