tinba | 22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a

Analysis

max time kernel
111s
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
20/11/2024, 21:02

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General

Target

22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe
Size

88KB
MD5

9cdc3e0ca8910db0ef3165be520aa3d2
SHA1

8f5f85052520cd5d50c1208833977262f0fd7be4
SHA256

22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a
SHA512

afb4a89ecdabc36671d81c203d54639818a2dd80f11493d7c99d2a091a4f2e59e366a6cf953e2cdd1e8dfe96c8c0772aa3fc0e79bdca03b0e121b6c353e81e39
SSDEEP

1536:r5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:r5fvp12UFKcD/6jwqWsNI

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4E6E84D2 = "C:\\Users\\Admin\\AppData\\Roaming\\4E6E84D2\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2344	4132	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	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4132	winver.exe
4132	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4132	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 4132	1468	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe	83
PID 1468 wrote to memory of 4132	1468	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe	83
PID 1468 wrote to memory of 4132	1468	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe	83
PID 1468 wrote to memory of 4132	1468	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe	83
PID 4132 wrote to memory of 3500	4132	winver.exe	56
PID 4132 wrote to memory of 2488	4132	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2488

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe
  "C:\Users\Admin\AppData\Local\Temp\22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1468
- - 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:4132
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4132 -s 352
      4⤵
      Program crash
      PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4132 -ip 4132
1⤵
PID:2532

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

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Downloads

memory/1468-0-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1468-3-0x0000000002440000-0x0000000002E40000-memory.dmp

Filesize
10.0MB

Download
memory/1468-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1468-8-0x0000000002440000-0x0000000002E40000-memory.dmp

Filesize
10.0MB

Download
memory/2488-12-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/3500-2-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3500-1-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3500-5-0x00007FF93656D000-0x00007FF93656E000-memory.dmp

Filesize
4KB

Download
memory/4132-4-0x0000000077DE2000-0x0000000077DE3000-memory.dmp

Filesize
4KB

Download
memory/4132-6-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/4132-10-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/4132-13-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download