tinba | b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079

Analysis

max time kernel
118s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 06:29

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General

Target

b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe
Size

51KB
MD5

ee629973c5f3a6db52717987a8ce30f6
SHA1

5060f55cf3f8f83f3aeafbe41a94255026b81b24
SHA256

b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079
SHA512

f9dd74b51bc3c527675bac2093b038ef651b5425b20cb2002f92c90d9dd7e72d801267106f0475084c27ae21d4633310fe7cb12e57c0d835393011a343097f38
SSDEEP

768:JfrWSEzgqRrBoHxOrwal5RxKwKZOyN/4BxG+C2GqymmcqGncVyR9JA:JfDEBBoHq7RxgV/twyzEcM9JA

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6663D1A4 = "C:\\Users\\Admin\\AppData\\Roaming\\6663D1A4\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4056	4784	WerFault.exe	87

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	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4784	winver.exe
4784	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4784	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3448	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4784	464	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe	87
PID 464 wrote to memory of 4784	464	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe	87
PID 464 wrote to memory of 4784	464	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe	87
PID 464 wrote to memory of 4784	464	b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe	87
PID 4784 wrote to memory of 3448	4784	winver.exe	55
PID 4784 wrote to memory of 2444	4784	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2444

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3448
- C:\Users\Admin\AppData\Local\Temp\b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe
  "C:\Users\Admin\AppData\Local\Temp\b22965ee63e92604da479f3e2a579e15aaef9b54117622c8f1bded4e30eca079.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:464
- - 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:4784
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 352
      4⤵
      Program crash
      PID:4056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4784 -ip 4784
1⤵
PID:3456

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/464-9-0x00000000024E0000-0x0000000002EE0000-memory.dmp

Filesize
10.0MB

Download
memory/464-8-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/464-3-0x00000000024E0000-0x0000000002EE0000-memory.dmp

Filesize
10.0MB

Download
memory/464-0-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/2444-18-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2444-14-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2444-15-0x00007FFEBFCAD000-0x00007FFEBFCAE000-memory.dmp

Filesize
4KB

Download
memory/3448-6-0x00007FFEBFCAD000-0x00007FFEBFCAE000-memory.dmp

Filesize
4KB

Download
memory/3448-2-0x0000000000E50000-0x0000000000E56000-memory.dmp

Filesize
24KB

Download
memory/3448-10-0x00007FFEBFE40000-0x00007FFEBFE41000-memory.dmp

Filesize
4KB

Download
memory/3448-1-0x0000000000E50000-0x0000000000E56000-memory.dmp

Filesize
24KB

Download
memory/4784-4-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

Filesize
24KB

Download
memory/4784-5-0x0000000077CF2000-0x0000000077CF3000-memory.dmp

Filesize
4KB

Download
memory/4784-7-0x00007FFEBFC10000-0x00007FFEBFE05000-memory.dmp

Filesize
2.0MB

Download
memory/4784-16-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

Filesize
24KB

Download