tinba | ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87f

Analysis

max time kernel
108s
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
04-01-2025 11:19

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General

Target

ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe
Size

45KB
MD5

5ea0912c83bc33e45996fc5dd2e19730
SHA1

2ec3decdcabdae79b60cf36a744dcb5801172d72
SHA256

ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87f
SHA512

211bf413e690927b8aa1f3026fedb4740927c79ad06e02c954922dc2c9ee4884dfb49314ea533dd914f74d0edff5323fb30235da87753d6688596e493221295e
SSDEEP

768:OhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:CsWE9N5dFu53dsniQaB/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\0854F662 = "C:\\Users\\Admin\\AppData\\Roaming\\0854F662\\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/3644-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4528	2444	WerFault.exe	86

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	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2444	winver.exe
2444	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3340	Explorer.EXE
Token: SeCreatePagefilePrivilege	3340	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2444	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 2444	3644	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe	86
PID 3644 wrote to memory of 2444	3644	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe	86
PID 3644 wrote to memory of 2444	3644	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe	86
PID 3644 wrote to memory of 2444	3644	ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe	86
PID 2444 wrote to memory of 3340	2444	winver.exe	55
PID 2444 wrote to memory of 2824	2444	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2824

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3340
- C:\Users\Admin\AppData\Local\Temp\ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe
  "C:\Users\Admin\AppData\Local\Temp\ddb8d88b7ca38619b70b1633296c612eec89d75d192a2fa8b2cf484258a4c87fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3644
- - 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:2444
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 356
      4⤵
      Program crash
      PID:4528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2444 -ip 2444
1⤵
PID:3096

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/2444-5-0x00000000778C2000-0x00000000778C3000-memory.dmp

Filesize
4KB

Download
memory/2444-14-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download
memory/2444-11-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download
memory/2444-7-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp

Filesize
2.0MB

Download
memory/2824-13-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3340-2-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/3340-6-0x00007FFAA83AD000-0x00007FFAA83AE000-memory.dmp

Filesize
4KB

Download
memory/3340-3-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/3644-4-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/3644-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3644-9-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/3644-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3644-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download