tinba | 761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 23:52

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General

Target

761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe
Size

45KB
MD5

e3d846bef938597601324aa18ce185f0
SHA1

c6918eaf056e698d9ec57e3fcf035bd65ba5b27f
SHA256

761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03
SHA512

8b2cfdbacb75a460961f95af989b2bc63e4d93833f4aa915f5b1b31a245583f4c7edb5f9f57e87b5cbc0b661c17d5e5352b094723c358a9e220718f73b6ae724
SSDEEP

768:ShP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:esWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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\EFC0933C = "C:\\Users\\Admin\\AppData\\Roaming\\EFC0933C\\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/2384-0-0x0000000000400000-0x000000000041D000-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	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe
2092	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2092	winver.exe
1172	Explorer.EXE
1172	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1172	Explorer.EXE
1172	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2092	2384	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe	32
PID 2384 wrote to memory of 2092	2384	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe	32
PID 2384 wrote to memory of 2092	2384	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe	32
PID 2384 wrote to memory of 2092	2384	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe	32
PID 2384 wrote to memory of 2092	2384	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe	32
PID 2092 wrote to memory of 1172	2092	winver.exe	21
PID 2092 wrote to memory of 1040	2092	winver.exe	17
PID 2092 wrote to memory of 1096	2092	winver.exe	19
PID 2092 wrote to memory of 1172	2092	winver.exe	21
PID 2092 wrote to memory of 1756	2092	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1040

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1096

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1172
- C:\Users\Admin\AppData\Local\Temp\761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe
  "C:\Users\Admin\AppData\Local\Temp\761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.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:2092

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1756

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/1040-23-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1040-22-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1096-24-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1096-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-21-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1172-4-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1172-3-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1172-2-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1172-29-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1172-10-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1756-31-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1756-30-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2092-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2092-7-0x0000000077670000-0x0000000077671000-memory.dmp

Filesize
4KB

Download
memory/2092-25-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2092-8-0x000000007766F000-0x0000000077670000-memory.dmp

Filesize
4KB

Download
memory/2092-9-0x000000007766F000-0x0000000077671000-memory.dmp

Filesize
8KB

Download
memory/2092-11-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

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

Filesize
10.0MB

Download
memory/2384-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

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

Filesize
10.0MB

Download
memory/2384-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

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

Filesize
4KB

Download