tinba | 1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017f

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
01-12-2024 01:34

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General

Target

1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017fN.exe
Size

52KB
MD5

bce2068f5ce67d10a6f6404597437500
SHA1

78de9a6ec8b5750a082e7e81d268712f3ea0c3ab
SHA256

1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017f
SHA512

10f6c355d27d42eba72eca3da23f6dccfa4b7cd5af6edce79a091176a2c0dbd76b1662463fc9aab3343c77cd05e51786387c976449abafc66c93ff7b4a1946ef
SSDEEP

768:PvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:TmZNZUXeQXFhS6sM3prUSGg7O1d9Ja

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
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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\1B48C7BE = "C:\\Users\\Admin\\AppData\\Roaming\\1B48C7BE\\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	1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2700	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2700	2188	1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017fN.exe	31
PID 2188 wrote to memory of 2700	2188	1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017fN.exe	31
PID 2188 wrote to memory of 2700	2188	1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017fN.exe	31
PID 2188 wrote to memory of 2700	2188	1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017fN.exe	31
PID 2188 wrote to memory of 2700	2188	1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017fN.exe	31
PID 2700 wrote to memory of 1232	2700	winver.exe	21
PID 2700 wrote to memory of 1112	2700	winver.exe	19
PID 2700 wrote to memory of 1176	2700	winver.exe	20
PID 2700 wrote to memory of 1232	2700	winver.exe	21
PID 2700 wrote to memory of 1568	2700	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Users\Admin\AppData\Local\Temp\1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017fN.exe
  "C:\Users\Admin\AppData\Local\Temp\1a9e0b3100d2edb25eb35a62a152991cf4aa51a2ae757a80dbbffb40d959017fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2188
- - 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:2700

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1568

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/1112-25-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1176-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1232-1-0x0000000002F60000-0x0000000002F66000-memory.dmp

Filesize
24KB

Download
memory/1232-9-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1232-24-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x0000000002F60000-0x0000000002F66000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002F60000-0x0000000002F66000-memory.dmp

Filesize
24KB

Download
memory/1232-21-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1568-29-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1568-28-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1568-23-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/2188-4-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2188-12-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2188-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2188-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2700-10-0x0000000076F20000-0x00000000770C9000-memory.dmp

Filesize
1.7MB

Download
memory/2700-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2700-6-0x0000000077120000-0x0000000077121000-memory.dmp

Filesize
4KB

Download
memory/2700-7-0x000000007711F000-0x0000000077120000-memory.dmp

Filesize
4KB

Download
memory/2700-8-0x000000007711F000-0x0000000077121000-memory.dmp

Filesize
8KB

Download
memory/2700-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download