tinba | 6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 13:55

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General

Target

6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863N.exe
Size

98KB
MD5

affc44fbf29c29947b5245594ee03b40
SHA1

60c0d77a8a2a4752852850c0ffc31102ed7a5f33
SHA256

6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863
SHA512

66c09eb201a06922247a7b2364c2165a18bea869da1802cfa94d6f60663ab3a1962d76f73dd5756dd39f30f087ed194b0339478d57cea1148758d12f3fe6af0d
SSDEEP

768:C+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:C+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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\2756CDDC = "C:\\Users\\Admin\\AppData\\Roaming\\2756CDDC\\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	6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3012	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 3012	2964	6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863N.exe	31
PID 2964 wrote to memory of 3012	2964	6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863N.exe	31
PID 2964 wrote to memory of 3012	2964	6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863N.exe	31
PID 2964 wrote to memory of 3012	2964	6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863N.exe	31
PID 2964 wrote to memory of 3012	2964	6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863N.exe	31
PID 3012 wrote to memory of 1200	3012	winver.exe	21
PID 3012 wrote to memory of 1112	3012	winver.exe	19
PID 3012 wrote to memory of 1164	3012	winver.exe	20
PID 3012 wrote to memory of 1200	3012	winver.exe	21
PID 3012 wrote to memory of 1416	3012	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863N.exe
  "C:\Users\Admin\AppData\Local\Temp\6e3d474f83c5281f84b5349b40834437f50e9cc65b63c3de0a5931f2b8f18863N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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:3012

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1416

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/1112-26-0x00000000773A1000-0x00000000773A2000-memory.dmp

Filesize
4KB

Download
memory/1112-25-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1164-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-9-0x00000000773A1000-0x00000000773A2000-memory.dmp

Filesize
4KB

Download
memory/1200-27-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1200-21-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1416-23-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/1416-29-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/1416-28-0x00000000773A1000-0x00000000773A2000-memory.dmp

Filesize
4KB

Download
memory/2964-4-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2964-12-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2964-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2964-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3012-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3012-10-0x0000000077350000-0x00000000774F9000-memory.dmp

Filesize
1.7MB

Download
memory/3012-8-0x000000007754F000-0x0000000077551000-memory.dmp

Filesize
8KB

Download
memory/3012-7-0x000000007754F000-0x0000000077550000-memory.dmp

Filesize
4KB

Download
memory/3012-6-0x0000000077550000-0x0000000077551000-memory.dmp

Filesize
4KB

Download
memory/3012-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download