tinba | 8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98

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
20-12-2024 01:41

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General

Target

8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98N.exe
Size

110KB
MD5

33fc942d7f7f58099975642720b06060
SHA1

a5391964a0e9967faba9db89112816add41fa851
SHA256

8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98
SHA512

6286ab251b7c5e21805e65572b68a46429f315a1e0aa8d72478dc481844cab61f32d0eef73b7a64b127c6dc0d24d2bbd808371e532a4c7179a9a755eecc99a4f
SSDEEP

1536:SiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:SiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\B52243EA = "C:\\Users\\Admin\\AppData\\Roaming\\B52243EA\\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/2384-0-0x0000000000400000-0x000000000041E000-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	8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe
2988	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2988	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2988	2384	8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98N.exe	31
PID 2384 wrote to memory of 2988	2384	8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98N.exe	31
PID 2384 wrote to memory of 2988	2384	8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98N.exe	31
PID 2384 wrote to memory of 2988	2384	8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98N.exe	31
PID 2384 wrote to memory of 2988	2384	8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98N.exe	31
PID 2988 wrote to memory of 1192	2988	winver.exe	21
PID 2988 wrote to memory of 1104	2988	winver.exe	19
PID 2988 wrote to memory of 1160	2988	winver.exe	20
PID 2988 wrote to memory of 1192	2988	winver.exe	21
PID 2988 wrote to memory of 1388	2988	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98N.exe
  "C:\Users\Admin\AppData\Local\Temp\8fa30299c73c685ff36b2c0aa44e3baa4fa019eb5884e7e11ae3080747c45e98N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - 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:2988

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1388

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/1104-20-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1104-22-0x0000000077231000-0x0000000077232000-memory.dmp

Filesize
4KB

Download
memory/1104-35-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1160-30-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1160-21-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1192-29-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077231000-0x0000000077232000-memory.dmp

Filesize
4KB

Download
memory/1192-2-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1192-24-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1388-28-0x0000000077231000-0x0000000077232000-memory.dmp

Filesize
4KB

Download
memory/1388-26-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1388-27-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/2384-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2384-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2384-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2384-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2384-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2988-11-0x00000000771E0000-0x0000000077389000-memory.dmp

Filesize
1.7MB

Download
memory/2988-9-0x00000000773DF000-0x00000000773E1000-memory.dmp

Filesize
8KB

Download
memory/2988-8-0x00000000773DF000-0x00000000773E0000-memory.dmp

Filesize
4KB

Download
memory/2988-7-0x00000000773E0000-0x00000000773E1000-memory.dmp

Filesize
4KB

Download
memory/2988-6-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2988-31-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2988-36-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download