tinba | 744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 13:26

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General

Target

744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe
Size

110KB
MD5

4842a2aadfae8ca21c5925adf1840845
SHA1

3734af895d63e0c464846c4a8b12dfa376b303fd
SHA256

744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27
SHA512

b3326bb68ab93fdddf0e421295cd2572a146c7d1b44710049e28084000a13b484de8b8b6c0669ea9c99639258fd9bee3014832d44325d861d2d72826253a6cbe
SSDEEP

1536:UiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:UiyvRmDLs/ZrwWJjAqGcRJ2hQ

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\8242C338 = "C:\\Users\\Admin\\AppData\\Roaming\\8242C338\\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/2988-0-0x0000000000400000-0x000000000041E000-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	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2104	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2104	2988	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe	31
PID 2988 wrote to memory of 2104	2988	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe	31
PID 2988 wrote to memory of 2104	2988	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe	31
PID 2988 wrote to memory of 2104	2988	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe	31
PID 2988 wrote to memory of 2104	2988	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe	31
PID 2104 wrote to memory of 1204	2104	winver.exe	21
PID 2104 wrote to memory of 1128	2104	winver.exe	19
PID 2104 wrote to memory of 1176	2104	winver.exe	20
PID 2104 wrote to memory of 1204	2104	winver.exe	21
PID 2104 wrote to memory of 1308	2104	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe
  "C:\Users\Admin\AppData\Local\Temp\744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - 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:2104

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1308

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/1128-25-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1128-24-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1176-19-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1176-31-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1204-30-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1204-2-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1308-29-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1308-28-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/1308-23-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/2104-7-0x0000000077B60000-0x0000000077B61000-memory.dmp

Filesize
4KB

Download
memory/2104-26-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2104-8-0x0000000077B5F000-0x0000000077B60000-memory.dmp

Filesize
4KB

Download
memory/2104-9-0x0000000077B5F000-0x0000000077B61000-memory.dmp

Filesize
8KB

Download
memory/2104-11-0x0000000077960000-0x0000000077B09000-memory.dmp

Filesize
1.7MB

Download
memory/2104-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2104-35-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2988-13-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2988-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2988-5-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2988-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2988-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download