tinba | 88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4f

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 16:13

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General

Target

88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4fN.exe
Size

98KB
MD5

efbb22426777f8f49674e2b6ff7e5f20
SHA1

a158c41dc4412307bdbfd57741399116df4221ea
SHA256

88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4f
SHA512

4be8d8e7a72a453c8586b8d064156539f0fd196a88d065d18af7514dd3afc66b1727fa9340eee661572cd48c86d95cf78024b6b2bf9e8451a59bf4372270c806
SSDEEP

768:j+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:j+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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\3DAFECAB = "C:\\Users\\Admin\\AppData\\Roaming\\3DAFECAB\\bin.exe"	winver.exe

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	88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2256	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2256	2516	88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4fN.exe	31
PID 2516 wrote to memory of 2256	2516	88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4fN.exe	31
PID 2516 wrote to memory of 2256	2516	88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4fN.exe	31
PID 2516 wrote to memory of 2256	2516	88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4fN.exe	31
PID 2516 wrote to memory of 2256	2516	88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4fN.exe	31
PID 2256 wrote to memory of 1216	2256	winver.exe	21
PID 2256 wrote to memory of 1112	2256	winver.exe	19
PID 2256 wrote to memory of 1168	2256	winver.exe	20
PID 2256 wrote to memory of 1216	2256	winver.exe	21
PID 2256 wrote to memory of 1068	2256	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4fN.exe
  "C:\Users\Admin\AppData\Local\Temp\88f9f322b5893f504310b1414f12821a45c3e0bfd5cd1f8cc6c7612158908e4fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - 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:2256

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1068

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/1068-31-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1068-25-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1068-32-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1112-26-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-36-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-29-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1216-1-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1216-30-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1216-9-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1216-2-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1216-22-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/2256-6-0x0000000076F60000-0x0000000076F61000-memory.dmp

Filesize
4KB

Download
memory/2256-10-0x0000000076D60000-0x0000000076F09000-memory.dmp

Filesize
1.7MB

Download
memory/2256-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2256-8-0x0000000076F5F000-0x0000000076F61000-memory.dmp

Filesize
8KB

Download
memory/2256-7-0x0000000076F5F000-0x0000000076F60000-memory.dmp

Filesize
4KB

Download
memory/2256-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2516-12-0x0000000001EF0000-0x00000000028F0000-memory.dmp

Filesize
10.0MB

Download
memory/2516-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2516-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2516-4-0x0000000001EF0000-0x00000000028F0000-memory.dmp

Filesize
10.0MB

Download