tinba | 43a9ec797fb7d6893d2c445062aae80bb11609b392adea0db605aa547c152f0e

Analysis

max time kernel
149s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 21:49

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General

Target
abeb9befff4de7cf779efb5c9c913a5c.exe
Size 96KB
Sample231219-1pgwsaead8
SHA256 43a9ec797fb7d6893d2c445062aae80bb11609b392adea0db605aa547c152f0e
MD5 abeb9befff4de7cf779efb5c9c913a5c
SHA1 c1323373d56a9afa2e9c5024668909cec0c0ff4d
SHA512 0d08b47ade43374cbdfc6977947be2906cf7f2dd755b1a5b3cb670d440aa310242fddce9d03d82d688710006a22636a4db0eadad0c36518dda5f3dddafe128af
SSDEEP 1536:fiLOvRmmQegJW3aOgBbmAQ256/ZrwWnwqjhurmKFct:fiyvRmQKTLs/ZrwWJjAqGct
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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FAFE1DF1 = "C:\\Users\\Admin\\AppData\\Roaming\\FAFE1DF1\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	3664	WerFault.exe	88

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3664	winver.exe
3664	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3664	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3404	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 3664	2692	abeb9befff4de7cf779efb5c9c913a5c.exe	88
PID 2692 wrote to memory of 3664	2692	abeb9befff4de7cf779efb5c9c913a5c.exe	88
PID 2692 wrote to memory of 3664	2692	abeb9befff4de7cf779efb5c9c913a5c.exe	88
PID 2692 wrote to memory of 3664	2692	abeb9befff4de7cf779efb5c9c913a5c.exe	88
PID 3664 wrote to memory of 3404	3664	winver.exe	70
PID 3664 wrote to memory of 2540	3664	winver.exe	83

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3404
- C:\Users\Admin\AppData\Local\Temp\abeb9befff4de7cf779efb5c9c913a5c.exe
  "C:\Users\Admin\AppData\Local\Temp\abeb9befff4de7cf779efb5c9c913a5c.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2692
- - 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:3664
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 352
      4⤵
      Program crash
      PID:2100

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 3664 -ip 3664
1⤵
PID:1396

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

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Downloads

memory/2540-13-0x0000000000AF0000-0x0000000000AF6000-memory.dmp

Download

memory/2692-0-0x00000000004A0000-0x00000000004A1000-memory.dmp

Download

memory/2692-3-0x0000000002330000-0x0000000002D30000-memory.dmp

Download

memory/2692-8-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/2692-9-0x0000000002330000-0x0000000002D30000-memory.dmp

Download

memory/3404-1-0x00000000026D0000-0x00000000026D6000-memory.dmp

Download

memory/3404-2-0x00000000026D0000-0x00000000026D6000-memory.dmp

Download

memory/3404-5-0x00007FFE7F42D000-0x00007FFE7F42E000-memory.dmp

Download

memory/3404-7-0x00007FFE7F5C0000-0x00007FFE7F5C1000-memory.dmp

Download

memory/3664-4-0x00000000770C2000-0x00000000770C3000-memory.dmp

Download

memory/3664-6-0x0000000000860000-0x0000000000866000-memory.dmp

Download

memory/3664-14-0x0000000000860000-0x0000000000866000-memory.dmp

Download