tinba | 8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 10:31

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General

Target

8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe
Size

98KB
MD5

2c9cff8b1c9e7bc5bc742bd267824ecc
SHA1

3dc538d0b999d9c8d7818192caee28e325bf55c2
SHA256

8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33
SHA512

ca7b627ec46bf48570a3928b6fc5d55ff1b9f3a59a8d4a7d63ceb17cae23b3b1fa6e8465684f563c99825aab2963e49bf4bb646a9300d47b6dc6e18d52a9a441
SSDEEP

768:X+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9Jl:X+mFM2HXKZgi9Iksu+XM57ipeq9Jl

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\9D48F7C5 = "C:\\Users\\Admin\\AppData\\Roaming\\9D48F7C5\\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	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe
1084	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1084	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1084	1744	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe	30
PID 1744 wrote to memory of 1084	1744	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe	30
PID 1744 wrote to memory of 1084	1744	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe	30
PID 1744 wrote to memory of 1084	1744	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe	30
PID 1744 wrote to memory of 1084	1744	8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe	30
PID 1084 wrote to memory of 1236	1084	winver.exe	20
PID 1084 wrote to memory of 1120	1084	winver.exe	18
PID 1084 wrote to memory of 1180	1084	winver.exe	19
PID 1084 wrote to memory of 1236	1084	winver.exe	20
PID 1084 wrote to memory of 828	1084	winver.exe	24

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe
  "C:\Users\Admin\AppData\Local\Temp\8cd48756a5bfdae2bd34f0824e81d5ad684b3f9ac8e43f1eb66413701a744b33.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1744
- - 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:1084

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:828

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/828-24-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/828-30-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/828-29-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1084-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1084-10-0x0000000077A90000-0x0000000077C39000-memory.dmp

Filesize
1.7MB

Download
memory/1084-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1084-6-0x0000000077C90000-0x0000000077C91000-memory.dmp

Filesize
4KB

Download
memory/1084-7-0x0000000077C8F000-0x0000000077C90000-memory.dmp

Filesize
4KB

Download
memory/1084-8-0x0000000077C8F000-0x0000000077C91000-memory.dmp

Filesize
8KB

Download
memory/1120-27-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1180-25-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1180-19-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1180-26-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1236-21-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1236-9-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1236-28-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1236-2-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1236-1-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1744-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1744-12-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1744-4-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1744-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download