tinba | e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bf

Analysis

max time kernel
118s
max time network
115s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 22:33

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General

Target

e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe
Size

98KB
MD5

0e809dbb26085309739cc67e142a1cb0
SHA1

49c0ee2bf5a06f20f5eaba6f56aad14c7088e8b0
SHA256

e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bf
SHA512

120bf947e1af6b115f9e9b1df5b57117756abd299fe2a840e471a88c8377b78ea5bd760a097e2f1aba9c9ae33f83bcc76115af5488c77233655c38811c1f4900
SSDEEP

768:j+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:j+mFM2HXKZgi9Iksu+XM57ipeq9JF

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\7DE23EF8 = "C:\\Users\\Admin\\AppData\\Roaming\\7DE23EF8\\bin.exe"	winver.exe

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe
1760	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1760	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 1760	2296	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe	31
PID 2296 wrote to memory of 1760	2296	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe	31
PID 2296 wrote to memory of 1760	2296	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe	31
PID 2296 wrote to memory of 1760	2296	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe	31
PID 2296 wrote to memory of 1760	2296	e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe	31
PID 1760 wrote to memory of 1396	1760	winver.exe	21
PID 1760 wrote to memory of 1244	1760	winver.exe	19
PID 1760 wrote to memory of 1340	1760	winver.exe	20
PID 1760 wrote to memory of 1396	1760	winver.exe	21
PID 1760 wrote to memory of 1188	1760	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1244

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1340

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1396
- C:\Users\Admin\AppData\Local\Temp\e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe
  "C:\Users\Admin\AppData\Local\Temp\e1911555b30a143eccef5e1c23f6eb14281deba04914249375c8a1bda45ed1bfN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2296
- - 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:1760

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1188

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/1188-28-0x0000000076FB1000-0x0000000076FB2000-memory.dmp

Filesize
4KB

Download
memory/1188-27-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1188-22-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1244-23-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/1244-24-0x0000000076FB1000-0x0000000076FB2000-memory.dmp

Filesize
4KB

Download
memory/1340-26-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1340-18-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1396-25-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1396-3-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1396-9-0x0000000076FB1000-0x0000000076FB2000-memory.dmp

Filesize
4KB

Download
memory/1396-1-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1396-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1396-20-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1760-7-0x000000007715F000-0x0000000077160000-memory.dmp

Filesize
4KB

Download
memory/1760-10-0x0000000076F60000-0x0000000077109000-memory.dmp

Filesize
1.7MB

Download
memory/1760-8-0x000000007715F000-0x0000000077161000-memory.dmp

Filesize
8KB

Download
memory/1760-5-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1760-6-0x0000000077160000-0x0000000077161000-memory.dmp

Filesize
4KB

Download
memory/1760-29-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2296-12-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2296-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2296-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2296-4-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download