tinba | 0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 01:44

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General

Target

0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510N.exe
Size

89KB
MD5

446fdd6abbcbac46ca89b6a30b79d490
SHA1

b2bba773876742d6fb85f33b998cd386954b2678
SHA256

0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510
SHA512

4940b6504281e7808182706744c4afa9b2912b606894c2a141d72117d2f0f407e14ec5e2657625fa1bef136bc24272f8ab2a81ef09e3fdf90396865ab11f4a99
SSDEEP

1536:x9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:x9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\CF1B9944 = "C:\\Users\\Admin\\AppData\\Roaming\\CF1B9944\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510N.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2568	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 2568	1256	0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510N.exe	30
PID 1256 wrote to memory of 2568	1256	0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510N.exe	30
PID 1256 wrote to memory of 2568	1256	0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510N.exe	30
PID 1256 wrote to memory of 2568	1256	0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510N.exe	30
PID 1256 wrote to memory of 2568	1256	0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510N.exe	30
PID 2568 wrote to memory of 1196	2568	winver.exe	21
PID 2568 wrote to memory of 1080	2568	winver.exe	18
PID 2568 wrote to memory of 1168	2568	winver.exe	20
PID 2568 wrote to memory of 1196	2568	winver.exe	21
PID 2568 wrote to memory of 1580	2568	winver.exe	25
PID 2568 wrote to memory of 1256	2568	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510N.exe
  "C:\Users\Admin\AppData\Local\Temp\0a6c37eb2a79cb108d790f467c7aab4408ce94e43f47edfc1e4569e017b7c510N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1256
- - 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:2568

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1580

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/1080-15-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/1080-31-0x0000000077201000-0x0000000077202000-memory.dmp

Filesize
4KB

Download
memory/1080-30-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/1168-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1168-18-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1196-5-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1196-33-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1196-12-0x0000000077201000-0x0000000077202000-memory.dmp

Filesize
4KB

Download
memory/1196-2-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1256-29-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1256-0-0x0000000000250000-0x0000000000252000-memory.dmp

Filesize
8KB

Download
memory/1256-27-0x0000000000050000-0x0000000000056000-memory.dmp

Filesize
24KB

Download
memory/1256-36-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/1256-6-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/1580-35-0x0000000002410000-0x0000000002416000-memory.dmp

Filesize
24KB

Download
memory/1580-34-0x0000000077201000-0x0000000077202000-memory.dmp

Filesize
4KB

Download
memory/1580-24-0x0000000002410000-0x0000000002416000-memory.dmp

Filesize
24KB

Download
memory/2568-13-0x00000000771B0000-0x0000000077359000-memory.dmp

Filesize
1.7MB

Download
memory/2568-7-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2568-8-0x00000000773B0000-0x00000000773B1000-memory.dmp

Filesize
4KB

Download
memory/2568-9-0x00000000773AF000-0x00000000773B0000-memory.dmp

Filesize
4KB

Download
memory/2568-10-0x00000000773AF000-0x00000000773B1000-memory.dmp

Filesize
8KB

Download
memory/2568-11-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2568-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download