tinba | b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 08:25

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General

Target

b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe
Size

34KB
MD5

7e8b96769a8eae870aa366fb072bf6e5
SHA1

cb50dbaa562120d40e0c4242afc51a5ce50b450f
SHA256

b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c
SHA512

219fc632f9b9d5d924539b3fbf68a9221ba24f246b30bdc60c6b33ed35d762371d0dbe9fd5dc6cfbe078dc9bb2da80cd0c386ad3f2ec4c94a4971ac693f40c77
SSDEEP

768:Bp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Jy:BpYoX58z1uirL98xMWnT0OQ9Jy

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\42749996 = "C:\\Users\\Admin\\AppData\\Roaming\\42749996\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2568-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe
2536	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2536	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 2536	2568	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe	31
PID 2568 wrote to memory of 2536	2568	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe	31
PID 2568 wrote to memory of 2536	2568	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe	31
PID 2568 wrote to memory of 2536	2568	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe	31
PID 2568 wrote to memory of 2536	2568	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe	31
PID 2536 wrote to memory of 1204	2536	winver.exe	21
PID 2536 wrote to memory of 1112	2536	winver.exe	19
PID 2536 wrote to memory of 1164	2536	winver.exe	20
PID 2536 wrote to memory of 1204	2536	winver.exe	21
PID 2536 wrote to memory of 496	2536	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:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe
  "C:\Users\Admin\AppData\Local\Temp\b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2568
- - 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:2536

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:496

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/496-33-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/496-23-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/496-29-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/496-30-0x00000000770F1000-0x00000000770F2000-memory.dmp

Filesize
4KB

Download
memory/496-31-0x00000000770F1000-0x00000000770F2000-memory.dmp

Filesize
4KB

Download
memory/496-32-0x00000000770F1000-0x00000000770F2000-memory.dmp

Filesize
4KB

Download
memory/1112-36-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1112-25-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x00000000770F1000-0x00000000770F2000-memory.dmp

Filesize
4KB

Download
memory/1164-19-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-28-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x00000000770F1000-0x00000000770F2000-memory.dmp

Filesize
4KB

Download
memory/1204-24-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/2536-7-0x00000000772A0000-0x00000000772A1000-memory.dmp

Filesize
4KB

Download
memory/2536-9-0x000000007729F000-0x00000000772A1000-memory.dmp

Filesize
8KB

Download
memory/2536-11-0x00000000770A0000-0x0000000077249000-memory.dmp

Filesize
1.7MB

Download
memory/2536-8-0x000000007729F000-0x00000000772A0000-memory.dmp

Filesize
4KB

Download
memory/2536-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2536-27-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2568-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2568-5-0x0000000001B80000-0x0000000002580000-memory.dmp

Filesize
10.0MB

Download
memory/2568-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2568-13-0x0000000001B80000-0x0000000002580000-memory.dmp

Filesize
10.0MB

Download
memory/2568-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download