tinba | e74a80a23247f4c8e5a0e26ad538de6c87c30b90f800de23799ea71fd5c53084

Analysis

max time kernel
118s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 15:30

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General

Target

79e890898d8d3228e96f2cc3ae01f1e0N.exe
Size

98KB
MD5

79e890898d8d3228e96f2cc3ae01f1e0
SHA1

c5395474df83833dd5488ee04b17c3ad775fca7a
SHA256

e74a80a23247f4c8e5a0e26ad538de6c87c30b90f800de23799ea71fd5c53084
SHA512

5f2f3157babe161c6d180de8a4e7d50a8da1ddd536a4e241603dfeb2b98c4024852dae02593303a1208608b0ca36962ad5bf4b94d34686604b7ed76069164fa8
SSDEEP

768:a+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:a+mFM2HXKZgi9Iksu+XM57ipeq9JF

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

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3ECF4927 = "C:\\Users\\Admin\\AppData\\Roaming\\3ECF4927\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3228	2184	WerFault.exe	85

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	79e890898d8d3228e96f2cc3ae01f1e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2184	winver.exe
2184	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2184	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3388	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 2184	4824	79e890898d8d3228e96f2cc3ae01f1e0N.exe	85
PID 4824 wrote to memory of 2184	4824	79e890898d8d3228e96f2cc3ae01f1e0N.exe	85
PID 4824 wrote to memory of 2184	4824	79e890898d8d3228e96f2cc3ae01f1e0N.exe	85
PID 4824 wrote to memory of 2184	4824	79e890898d8d3228e96f2cc3ae01f1e0N.exe	85
PID 2184 wrote to memory of 3388	2184	winver.exe	56
PID 2184 wrote to memory of 2620	2184	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2620

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3388
- C:\Users\Admin\AppData\Local\Temp\79e890898d8d3228e96f2cc3ae01f1e0N.exe
  "C:\Users\Admin\AppData\Local\Temp\79e890898d8d3228e96f2cc3ae01f1e0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4824
- - 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:2184
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 352
      4⤵
      Program crash
      PID:3228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2184 -ip 2184
1⤵
PID:2944

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/2184-5-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

Filesize
4KB

Download
memory/2184-4-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/2184-7-0x00007FFDA3CB0000-0x00007FFDA3EA5000-memory.dmp

Filesize
2.0MB

Download
memory/2184-15-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/2620-14-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2620-17-0x00007FFDA3ED0000-0x00007FFDA3ED1000-memory.dmp

Filesize
4KB

Download
memory/3388-1-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/3388-2-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/3388-6-0x00007FFDA3D4D000-0x00007FFDA3D4E000-memory.dmp

Filesize
4KB

Download
memory/3388-8-0x00007FFDA3EE0000-0x00007FFDA3EE1000-memory.dmp

Filesize
4KB

Download
memory/4824-3-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4824-10-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4824-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4824-0-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download