tinba | ff7be6c31b50a8b84bdec3d920aba7d6ff389ffdf8285ff18c6679f5f994f342

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/12/2023, 16:20

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
e5ad64297aee066f9167e8cbc01c72b4.exe
Size 88KB
Sample231220-ttlbfaaadq
SHA256 ff7be6c31b50a8b84bdec3d920aba7d6ff389ffdf8285ff18c6679f5f994f342
MD5 e5ad64297aee066f9167e8cbc01c72b4
SHA1 78891d0847c4af9c09ab3b6c102e6ce43dda0f65
SHA512 ed9ee9670ee2ab995fda59a2baf8d16a40f6c50bb57020e8057f819139e01f793be14d4aa6574945d3991c52d1ae340ef89d996ab7b536bde3dd8f885e4c34b9
SSDEEP 1536:MPx+riFFG1g3K6KUm3wEeQqjh+rmKVsNsU:WYdsFE2jwqWsNsU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\544817B3 = "C:\\Users\\Admin\\AppData\\Roaming\\544817B3\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3864	744	WerFault.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
744	winver.exe
744	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
744	winver.exe
3624	Explorer.EXE
3624	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3624	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 744	4112	e5ad64297aee066f9167e8cbc01c72b4.exe	91
PID 4112 wrote to memory of 744	4112	e5ad64297aee066f9167e8cbc01c72b4.exe	91
PID 4112 wrote to memory of 744	4112	e5ad64297aee066f9167e8cbc01c72b4.exe	91
PID 4112 wrote to memory of 744	4112	e5ad64297aee066f9167e8cbc01c72b4.exe	91
PID 744 wrote to memory of 3624	744	winver.exe	17
PID 744 wrote to memory of 2608	744	winver.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3624
- C:\Users\Admin\AppData\Local\Temp\e5ad64297aee066f9167e8cbc01c72b4.exe
  "C:\Users\Admin\AppData\Local\Temp\e5ad64297aee066f9167e8cbc01c72b4.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4112
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 356
      4⤵
      Program crash
      PID:3864

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 744 -ip 744
1⤵
PID:4276

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/744-6-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Download

memory/744-5-0x0000000077122000-0x0000000077123000-memory.dmp

Download

memory/744-12-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Download

memory/2608-11-0x0000000000840000-0x0000000000846000-memory.dmp

Download

memory/3624-1-0x0000000000710000-0x0000000000716000-memory.dmp

Download

memory/3624-2-0x0000000000710000-0x0000000000716000-memory.dmp

Download

memory/3624-4-0x00007FF92716D000-0x00007FF92716E000-memory.dmp

Download

memory/3624-14-0x00007FF927300000-0x00007FF927301000-memory.dmp

Download

memory/3624-15-0x00007FF9272E0000-0x00007FF9272E1000-memory.dmp

Download

memory/4112-0-0x00000000004A0000-0x00000000004A1000-memory.dmp

Download

memory/4112-3-0x00000000025D0000-0x0000000002FD0000-memory.dmp

Download

memory/4112-7-0x0000000000400000-0x0000000000417000-memory.dmp

Download