tinba | 6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95e

Analysis

max time kernel
104s
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
26-11-2024 23:08

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General

Target

6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe
Size

34KB
MD5

bfdf38d021bd7cbb00a69ca27e20d510
SHA1

34796c363ccbb7286c3394570b736dbfcbe6ee54
SHA256

6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95e
SHA512

2b714ce23a326cbbcf80832e0e1f70e6e625ebaaa6e8138462b17b98f4caba319d86c12f7fc3a613b702fd2d51d579f03beff9a14f741970f5ea7cad4add2da5
SSDEEP

768:Bp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JW:BpYoX58z1uirL98xMWnT0OQ9JW

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E1C704C8 = "C:\\Users\\Admin\\AppData\\Roaming\\E1C704C8\\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/3476-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2624	4212	WerFault.exe	84

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	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4212	winver.exe
4212	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
4212	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3476 wrote to memory of 4212	3476	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe	84
PID 3476 wrote to memory of 4212	3476	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe	84
PID 3476 wrote to memory of 4212	3476	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe	84
PID 3476 wrote to memory of 4212	3476	6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe	84
PID 4212 wrote to memory of 3544	4212	winver.exe	56
PID 4212 wrote to memory of 2588	4212	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2588

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe
  "C:\Users\Admin\AppData\Local\Temp\6896f4b6551654987c92f552185f4cc21319cc4b44b078aaaa3e0bbf9d53a95eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3476
- - 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:4212
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4212 -s 352
      4⤵
      Program crash
      PID:2624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4212 -ip 4212
1⤵
PID:2212

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/2588-13-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3476-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3476-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/3476-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3476-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3476-9-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/3544-2-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/3544-6-0x00007FFC36A2D000-0x00007FFC36A2E000-memory.dmp

Filesize
4KB

Download
memory/3544-3-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/4212-7-0x00007FFC36990000-0x00007FFC36B85000-memory.dmp

Filesize
2.0MB

Download
memory/4212-5-0x0000000077CD2000-0x0000000077CD3000-memory.dmp

Filesize
4KB

Download
memory/4212-11-0x0000000002B90000-0x0000000002B96000-memory.dmp

Filesize
24KB

Download
memory/4212-14-0x0000000002B90000-0x0000000002B96000-memory.dmp

Filesize
24KB

Download