tinba | d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831

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
19/12/2024, 07:55

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General

Target

d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe
Size

45KB
MD5

fb0450d3922436804f73009d563ec84d
SHA1

7ef342e65a5d6684764594972107f9a40edf8f78
SHA256

d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831
SHA512

6f141dede378e43f118289ca7d4a91ebbcccab91fd881c441a1391c284110f5dedf0808c95415d91a92cf99093991baa9a1c06286d071be4a7f2305a5261ae36
SSDEEP

768:dhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2n:fsWE9N5dFu53dsniQaB/xZ14n7zIF+qz

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\A3548117 = "C:\\Users\\Admin\\AppData\\Roaming\\A3548117\\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/2980-0-0x0000000000400000-0x000000000041D000-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	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2308	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2308	2980	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe	31
PID 2980 wrote to memory of 2308	2980	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe	31
PID 2980 wrote to memory of 2308	2980	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe	31
PID 2980 wrote to memory of 2308	2980	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe	31
PID 2980 wrote to memory of 2308	2980	d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe	31
PID 2308 wrote to memory of 1204	2308	winver.exe	21
PID 2308 wrote to memory of 1128	2308	winver.exe	19
PID 2308 wrote to memory of 1176	2308	winver.exe	20
PID 2308 wrote to memory of 1204	2308	winver.exe	21
PID 2308 wrote to memory of 1308	2308	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\d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe
  "C:\Users\Admin\AppData\Local\Temp\d7f3b297ab13a35853b3733b5f329ba93a5a42b9e029e6a66d8aeb47b9d6c831.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2980
- - 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:2308

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/1128-22-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1128-23-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

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

Filesize
24KB

Download
memory/1176-28-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/1204-29-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
4KB

Download
memory/1308-30-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1308-31-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/2308-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2308-7-0x0000000077B60000-0x0000000077B61000-memory.dmp

Filesize
4KB

Download
memory/2308-26-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2308-8-0x0000000077B5F000-0x0000000077B60000-memory.dmp

Filesize
4KB

Download
memory/2308-9-0x0000000077B5F000-0x0000000077B61000-memory.dmp

Filesize
8KB

Download
memory/2308-11-0x0000000077960000-0x0000000077B09000-memory.dmp

Filesize
1.7MB

Download
memory/2308-36-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2980-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2980-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2980-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2980-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2980-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download