tinba | 175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983e

Analysis

max time kernel
110s
max time network
94s
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 10:35

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General

Target

175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe
Size

52KB
MD5

5809a460289d60c84925ac5cd8d073d0
SHA1

db50b28117447b347b34e5a055e42b9728bed5d0
SHA256

175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983e
SHA512

2eb31e62368dd0cea219d06d4c7a6c4116d568b026d41690c1f2bc862f3393ec3d011252a431507ac358aa5be32174aaafa6bd8e3cda170e5b8e561d2f000042
SSDEEP

768:mvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:emZNZUXeQXFhS6sM3prUSGg7O1d9Ja

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CDA79772 = "C:\\Users\\Admin\\AppData\\Roaming\\CDA79772\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1808	3972	WerFault.exe	85

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	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3972	winver.exe
3972	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3972	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 3972	4840	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe	85
PID 4840 wrote to memory of 3972	4840	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe	85
PID 4840 wrote to memory of 3972	4840	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe	85
PID 4840 wrote to memory of 3972	4840	175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe	85
PID 3972 wrote to memory of 3544	3972	winver.exe	56
PID 3972 wrote to memory of 2660	3972	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe
  "C:\Users\Admin\AppData\Local\Temp\175de7d762b2dbae230d2d6af2d621af4f042f55fa7b7677e0ecd65e4023983eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4840
- - 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:3972
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 352
      4⤵
      Program crash
      PID:1808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3972 -ip 3972
1⤵
PID:1964

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/2660-12-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download
memory/3544-2-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3544-1-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3544-5-0x00007FFA4720D000-0x00007FFA4720E000-memory.dmp

Filesize
4KB

Download
memory/3972-4-0x0000000077CB2000-0x0000000077CB3000-memory.dmp

Filesize
4KB

Download
memory/3972-6-0x00007FFA47170000-0x00007FFA47365000-memory.dmp

Filesize
2.0MB

Download
memory/3972-10-0x0000000000770000-0x0000000000776000-memory.dmp

Filesize
24KB

Download
memory/3972-13-0x0000000000770000-0x0000000000776000-memory.dmp

Filesize
24KB

Download
memory/4840-0-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/4840-3-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/4840-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4840-8-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download