tinba | 35971d6f9ee8cec5b5431171a9095e9547fb7e32d8ae693b8f2cabcd33baeaea

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26-07-2024 05:26

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General

Target

810d60fecead15c760af5b8c7947b560N.exe
Size

89KB
MD5

810d60fecead15c760af5b8c7947b560
SHA1

ed4515719de74837f52887bb817493cbe13c37a5
SHA256

35971d6f9ee8cec5b5431171a9095e9547fb7e32d8ae693b8f2cabcd33baeaea
SHA512

9a144b82637558c963d2a68ca1a05875263327a76483b067657c0a6cff321543fb1d4d23dec44fc4e831e2dd24ab8fe4eb0b8c69bff0b340c9a9c95b7c60adaa
SSDEEP

1536:A9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:A9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\FB6868D4 = "C:\\Users\\Admin\\AppData\\Roaming\\FB6868D4\\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	810d60fecead15c760af5b8c7947b560N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2784	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2784	2756	810d60fecead15c760af5b8c7947b560N.exe	30
PID 2756 wrote to memory of 2784	2756	810d60fecead15c760af5b8c7947b560N.exe	30
PID 2756 wrote to memory of 2784	2756	810d60fecead15c760af5b8c7947b560N.exe	30
PID 2756 wrote to memory of 2784	2756	810d60fecead15c760af5b8c7947b560N.exe	30
PID 2756 wrote to memory of 2784	2756	810d60fecead15c760af5b8c7947b560N.exe	30
PID 2784 wrote to memory of 1232	2784	winver.exe	21
PID 2784 wrote to memory of 1124	2784	winver.exe	19
PID 2784 wrote to memory of 1180	2784	winver.exe	20
PID 2784 wrote to memory of 1232	2784	winver.exe	21
PID 2784 wrote to memory of 1668	2784	winver.exe	25
PID 2784 wrote to memory of 2756	2784	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Users\Admin\AppData\Local\Temp\810d60fecead15c760af5b8c7947b560N.exe
  "C:\Users\Admin\AppData\Local\Temp\810d60fecead15c760af5b8c7947b560N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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:2784

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1668

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/1124-27-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/1124-16-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x0000000077181000-0x0000000077182000-memory.dmp

Filesize
4KB

Download
memory/1180-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1180-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1232-12-0x0000000077181000-0x0000000077182000-memory.dmp

Filesize
4KB

Download
memory/1232-30-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1232-1-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1232-5-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1232-22-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1668-24-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1668-31-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1668-32-0x0000000077181000-0x0000000077182000-memory.dmp

Filesize
4KB

Download
memory/2756-26-0x0000000002600000-0x0000000003000000-memory.dmp

Filesize
10.0MB

Download
memory/2756-6-0x0000000002600000-0x0000000003000000-memory.dmp

Filesize
10.0MB

Download
memory/2756-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2756-0-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/2784-8-0x0000000077330000-0x0000000077331000-memory.dmp

Filesize
4KB

Download
memory/2784-9-0x000000007732F000-0x0000000077330000-memory.dmp

Filesize
4KB

Download
memory/2784-10-0x000000007732F000-0x0000000077331000-memory.dmp

Filesize
8KB

Download
memory/2784-7-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2784-13-0x0000000077130000-0x00000000772D9000-memory.dmp

Filesize
1.7MB

Download
memory/2784-11-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2784-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2784-38-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download