tinba | 577051e5764910b6f18d528013165a720356112dd338698280a76e7b2a6e24d1

Analysis

max time kernel
114s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 08:26

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General

Target

577051e5764910b6f18d528013165a720356112dd338698280a76e7b2a6e24d1.exe
Size

34KB
MD5

178b826a6b8c913d6462ba84748c9d2a
SHA1

90e99fd37a164b4d308c6d1b4d30ab4a78af801f
SHA256

577051e5764910b6f18d528013165a720356112dd338698280a76e7b2a6e24d1
SHA512

702d5b3081f3b7beed226a91f28d0e67d4c7e3deea324ba23a58ddfa35b668d6f5e8245d1c90427f316b9282746d1d150d0cfe5f77883c6aede38b170963dcef
SSDEEP

768:Mp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:MpYoX58z1uirL98xMWnT0OQ9Ji

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\811AD427 = "C:\\Users\\Admin\\AppData\\Roaming\\811AD427\\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/4544-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1712	2896	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	577051e5764910b6f18d528013165a720356112dd338698280a76e7b2a6e24d1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2896	winver.exe
2896	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2896	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 2896	4544	577051e5764910b6f18d528013165a720356112dd338698280a76e7b2a6e24d1.exe	83
PID 4544 wrote to memory of 2896	4544	577051e5764910b6f18d528013165a720356112dd338698280a76e7b2a6e24d1.exe	83
PID 4544 wrote to memory of 2896	4544	577051e5764910b6f18d528013165a720356112dd338698280a76e7b2a6e24d1.exe	83
PID 4544 wrote to memory of 2896	4544	577051e5764910b6f18d528013165a720356112dd338698280a76e7b2a6e24d1.exe	83
PID 2896 wrote to memory of 3456	2896	winver.exe	56
PID 2896 wrote to memory of 2672	2896	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2672

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\577051e5764910b6f18d528013165a720356112dd338698280a76e7b2a6e24d1.exe
  "C:\Users\Admin\AppData\Local\Temp\577051e5764910b6f18d528013165a720356112dd338698280a76e7b2a6e24d1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4544
- - 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:2896
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 352
      4⤵
      Program crash
      PID:1712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2896 -ip 2896
1⤵
PID:3632

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/2672-13-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/2896-5-0x0000000077E62000-0x0000000077E63000-memory.dmp

Filesize
4KB

Download
memory/2896-14-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/2896-11-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/2896-7-0x00007FFBCA510000-0x00007FFBCA705000-memory.dmp

Filesize
2.0MB

Download
memory/3456-3-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFBCA5AD000-0x00007FFBCA5AE000-memory.dmp

Filesize
4KB

Download
memory/3456-2-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download
memory/4544-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4544-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4544-9-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4544-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4544-1-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download